#include <stdio.h>
#include <stdlib.h>
#include <cuda_runtime.h>
#include <cublas_v2.h>
#include <math.h>

// Error checking macro
#define CHECK_CUDA_ERROR(call) \
do { \
    cudaError_t err = call; \
    if (err != cudaSuccess) { \
        fprintf(stderr, "CUDA error in %s:%d: %s\n", __FILE__, __LINE__, \
                cudaGetErrorString(err)); \
        exit(EXIT_FAILURE); \
    } \
} while(0)

// Kernel for the pivot selection and scaling
__global__ void findPivotAndScale(float *A, int *pivots, float *scales, int n, int k) {
    int idx = blockIdx.x * blockDim.x + threadIdx.x;
    
    if (idx == 0) {
        // Find pivot
        int pivot = k;
        float max_val = fabsf(A[k * n + k]);
        
        for (int i = k + 1; i < n; i++) {
            float val = fabsf(A[i * n + k]);
            if (val > max_val) {
                max_val = val;
                pivot = i;
            }
        }
        
        pivots[k] = pivot;
        
        // Swap rows if needed
        if (pivot != k) {
            for (int j = 0; j < n; j++) {
                float temp = A[k * n + j];
                A[k * n + j] = A[pivot * n + j];
                A[pivot * n + j] = temp;
            }
        }
    }
    
    // Calculate scaling factors for each row
    if (idx < n - k - 1) {
        int i = k + 1 + idx;
        scales[idx] = A[i * n + k] / A[k * n + k];
    }
}

// Kernel for updating the matrix
__global__ void updateMatrix(float *A, float *scales, int n, int k) {
    int row = blockIdx.y * blockDim.y + threadIdx.y + k + 1;
    int col = blockIdx.x * blockDim.x + threadIdx.x + k + 1;
    
    if (row < n && col < n) {
        int idx = row - k - 1;  // Index into scales array
        A[row * n + col] -= scales[idx] * A[k * n + col];
    }
}

// Store L factors in the lower triangular part
__global__ void storeLFactors(float *A, float *scales, int n, int k) {
    int idx = blockIdx.x * blockDim.x + threadIdx.x;
    
    if (idx < n - k - 1) {
        int i = k + 1 + idx;
        A[i * n + k] = scales[idx];
    }
}

void luDecomposition(float *h_A, int n) {
    float *d_A;
    int *d_pivots;
    float *d_scales;
    int *h_pivots;
    
    size_t size = n * n * sizeof(float);
    h_pivots = (int*)malloc(n * sizeof(int));
    
    // Allocate device memory
    CHECK_CUDA_ERROR(cudaMalloc((void**)&d_A, size));
    CHECK_CUDA_ERROR(cudaMalloc((void**)&d_pivots, n * sizeof(int)));
    CHECK_CUDA_ERROR(cudaMalloc((void**)&d_scales, n * sizeof(float)));
    
    // Copy matrix to device
    CHECK_CUDA_ERROR(cudaMemcpy(d_A, h_A, size, cudaMemcpyHostToDevice));
    
    // LU decomposition
    for (int k = 0; k < n - 1; k++) {
        // Find pivot and calculate scaling factors
        findPivotAndScale<<<1, 256>>>(d_A, d_pivots, d_scales, n, k);
        
        // Update the trailing submatrix
        dim3 blockDim(16, 16);
        dim3 gridDim((n - k - 1 + blockDim.x - 1) / blockDim.x, 
                      (n - k - 1 + blockDim.y - 1) / blockDim.y);
        
        updateMatrix<<<gridDim, blockDim>>>(d_A, d_scales, n, k);
        
        // Store L factors
        int threadsPerBlock = 256;
        int blocksPerGrid = (n - k - 1 + threadsPerBlock - 1) / threadsPerBlock;
        storeLFactors<<<blocksPerGrid, threadsPerBlock>>>(d_A, d_scales, n, k);
    }
    
    // Copy results back to host
    CHECK_CUDA_ERROR(cudaMemcpy(h_A, d_A, size, cudaMemcpyDeviceToHost));
    CHECK_CUDA_ERROR(cudaMemcpy(h_pivots, d_pivots, n * sizeof(int), cudaMemcpyDeviceToHost));
    
    // Clean up
    cudaFree(d_A);
    cudaFree(d_pivots);
    cudaFree(d_scales);
    free(h_pivots);
}

int main(int argc, char **argv) {
    int n = 1024; // Matrix size
    if (argc > 1) {
        n = atoi(argv[1]);
    }
    
    float *h_A = (float*)malloc(n * n * sizeof(float));
    
    // Initialize matrix with random values
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            h_A[i * n + j] = rand() / (float)RAND_MAX;
        }
    }
    
    // Perform LU decomposition
    luDecomposition(h_A, n);
    
    printf("LU decomposition completed successfully\n");
    
    // Optional: Verify the result
    /*
    printf("First few elements of the LU decomposed matrix:\n");
    for (int i = 0; i < min(5, n); i++) {
        for (int j = 0; j < min(5, n); j++) {
            printf("%f ", h_A[i * n + j]);
        }
        printf("\n");
    }
    */
    
    free(h_A);
    return 0;
}
	.file	"tmpxft_00047cba_00000000-6_15.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2780:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2780:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.globl	_Z43__device_stub__Z17findPivotAndScalePfPiS_iiPfPiS_ii
	.type	_Z43__device_stub__Z17findPivotAndScalePfPiS_iiPfPiS_ii, @function
_Z43__device_stub__Z17findPivotAndScalePfPiS_iiPfPiS_ii:
.LFB2802:
	.cfi_startproc
	endbr64
	subq	$152, %rsp
	.cfi_def_cfa_offset 160
	movq	%rdi, 24(%rsp)
	leaq	48(%rsp), %rdi
	movq	%rsi, 16(%rsp)
	leaq	60(%rsp), %rsi
	movq	%rdx, 8(%rsp)
	leaq	32(%rsp), %rdx
	movl	%ecx, 4(%rsp)
	leaq	40(%rsp), %rcx
	movl	%r8d, (%rsp)
	movq	%fs:40, %rax
	movq	%rax, 136(%rsp)
	xorl	%eax, %eax
	leaq	24(%rsp), %rax
	movl	$1, 56(%rsp)
	movq	%rax, 96(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 104(%rsp)
	leaq	8(%rsp), %rax
	movq	%rax, 112(%rsp)
	leaq	4(%rsp), %rax
	movq	%rax, 120(%rsp)
	movq	%rsp, %rax
	movq	%rax, 128(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 48(%rsp)
	movq	%rax, 60(%rsp)
	movl	$1, 68(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L2
	pushq	40(%rsp)
	.cfi_def_cfa_offset 168
	leaq	_Z17findPivotAndScalePfPiS_ii(%rip), %rdi
	pushq	40(%rsp)
	.cfi_def_cfa_offset 176
	movq	76(%rsp), %rcx
	movl	84(%rsp), %r8d
	movq	64(%rsp), %rsi
	movl	72(%rsp), %edx
	leaq	112(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 168
	popq	%rdx
	.cfi_def_cfa_offset 160
.L2:
	movq	136(%rsp), %rax
	subq	%fs:40, %rax
	je	.L4
	call	__stack_chk_fail@PLT
.L4:
	addq	$152, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2802:
	.size	_Z43__device_stub__Z17findPivotAndScalePfPiS_iiPfPiS_ii, .-_Z43__device_stub__Z17findPivotAndScalePfPiS_iiPfPiS_ii
	.globl	_Z17findPivotAndScalePfPiS_ii
	.type	_Z17findPivotAndScalePfPiS_ii, @function
_Z17findPivotAndScalePfPiS_ii:
.LFB2803:
	.cfi_startproc
	endbr64
	jmp	_Z43__device_stub__Z17findPivotAndScalePfPiS_iiPfPiS_ii
	.cfi_endproc
.LFE2803:
	.size	_Z17findPivotAndScalePfPiS_ii, .-_Z17findPivotAndScalePfPiS_ii
	.globl	_Z36__device_stub__Z12updateMatrixPfS_iiPfS_ii
	.type	_Z36__device_stub__Z12updateMatrixPfS_iiPfS_ii, @function
_Z36__device_stub__Z12updateMatrixPfS_iiPfS_ii:
.LFB2804:
	.cfi_startproc
	endbr64
	subq	$152, %rsp
	.cfi_def_cfa_offset 160
	movq	%rdi, 24(%rsp)
	leaq	56(%rsp), %rdi
	movq	%rsi, 16(%rsp)
	leaq	68(%rsp), %rsi
	movl	%edx, 12(%rsp)
	leaq	40(%rsp), %rdx
	movl	%ecx, 8(%rsp)
	leaq	48(%rsp), %rcx
	movq	%fs:40, %rax
	movq	%rax, 136(%rsp)
	xorl	%eax, %eax
	leaq	24(%rsp), %rax
	movl	$1, 64(%rsp)
	movq	%rax, 104(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 112(%rsp)
	leaq	12(%rsp), %rax
	movq	%rax, 120(%rsp)
	leaq	8(%rsp), %rax
	movq	%rax, 128(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 56(%rsp)
	movq	%rax, 68(%rsp)
	movl	$1, 76(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L8
	pushq	48(%rsp)
	.cfi_def_cfa_offset 168
	leaq	_Z12updateMatrixPfS_ii(%rip), %rdi
	pushq	48(%rsp)
	.cfi_def_cfa_offset 176
	movq	84(%rsp), %rcx
	movl	92(%rsp), %r8d
	movq	72(%rsp), %rsi
	movl	80(%rsp), %edx
	leaq	120(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 168
	popq	%rdx
	.cfi_def_cfa_offset 160
.L8:
	movq	136(%rsp), %rax
	subq	%fs:40, %rax
	je	.L10
	call	__stack_chk_fail@PLT
.L10:
	addq	$152, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2804:
	.size	_Z36__device_stub__Z12updateMatrixPfS_iiPfS_ii, .-_Z36__device_stub__Z12updateMatrixPfS_iiPfS_ii
	.globl	_Z12updateMatrixPfS_ii
	.type	_Z12updateMatrixPfS_ii, @function
_Z12updateMatrixPfS_ii:
.LFB2805:
	.cfi_startproc
	endbr64
	jmp	_Z36__device_stub__Z12updateMatrixPfS_iiPfS_ii
	.cfi_endproc
.LFE2805:
	.size	_Z12updateMatrixPfS_ii, .-_Z12updateMatrixPfS_ii
	.globl	_Z37__device_stub__Z13storeLFactorsPfS_iiPfS_ii
	.type	_Z37__device_stub__Z13storeLFactorsPfS_iiPfS_ii, @function
_Z37__device_stub__Z13storeLFactorsPfS_iiPfS_ii:
.LFB2806:
	.cfi_startproc
	endbr64
	subq	$152, %rsp
	.cfi_def_cfa_offset 160
	movq	%rdi, 24(%rsp)
	leaq	56(%rsp), %rdi
	movq	%rsi, 16(%rsp)
	leaq	68(%rsp), %rsi
	movl	%edx, 12(%rsp)
	leaq	40(%rsp), %rdx
	movl	%ecx, 8(%rsp)
	leaq	48(%rsp), %rcx
	movq	%fs:40, %rax
	movq	%rax, 136(%rsp)
	xorl	%eax, %eax
	leaq	24(%rsp), %rax
	movl	$1, 64(%rsp)
	movq	%rax, 104(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 112(%rsp)
	leaq	12(%rsp), %rax
	movq	%rax, 120(%rsp)
	leaq	8(%rsp), %rax
	movq	%rax, 128(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 56(%rsp)
	movq	%rax, 68(%rsp)
	movl	$1, 76(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L13
	pushq	48(%rsp)
	.cfi_def_cfa_offset 168
	leaq	_Z13storeLFactorsPfS_ii(%rip), %rdi
	pushq	48(%rsp)
	.cfi_def_cfa_offset 176
	movq	84(%rsp), %rcx
	movl	92(%rsp), %r8d
	movq	72(%rsp), %rsi
	movl	80(%rsp), %edx
	leaq	120(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 168
	popq	%rdx
	.cfi_def_cfa_offset 160
.L13:
	movq	136(%rsp), %rax
	subq	%fs:40, %rax
	je	.L15
	call	__stack_chk_fail@PLT
.L15:
	addq	$152, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2806:
	.size	_Z37__device_stub__Z13storeLFactorsPfS_iiPfS_ii, .-_Z37__device_stub__Z13storeLFactorsPfS_iiPfS_ii
	.globl	_Z13storeLFactorsPfS_ii
	.type	_Z13storeLFactorsPfS_ii, @function
_Z13storeLFactorsPfS_ii:
.LFB2807:
	.cfi_startproc
	endbr64
	jmp	_Z37__device_stub__Z13storeLFactorsPfS_iiPfS_ii
	.cfi_endproc
.LFE2807:
	.size	_Z13storeLFactorsPfS_ii, .-_Z13storeLFactorsPfS_ii
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"15.cu"
.LC1:
	.string	"CUDA error in %s:%d: %s\n"
	.text
	.globl	_Z15luDecompositionPfi
	.type	_Z15luDecompositionPfi, @function
_Z15luDecompositionPfi:
.LFB2776:
	.cfi_startproc
	endbr64
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	pushq	%r14
	.cfi_def_cfa_offset 24
	.cfi_offset 14, -24
	pushq	%r13
	.cfi_def_cfa_offset 32
	.cfi_offset 13, -32
	movslq	%esi, %r13
	pushq	%r12
	.cfi_def_cfa_offset 40
	.cfi_offset 12, -40
	movl	%r13d, %r12d
	pushq	%rbp
	.cfi_def_cfa_offset 48
	.cfi_offset 6, -48
	imull	%r13d, %r12d
	pushq	%rbx
	.cfi_def_cfa_offset 56
	.cfi_offset 3, -56
	movq	%r13, %rbx
	salq	$2, %r13
	movslq	%r12d, %r12
	subq	$104, %rsp
	.cfi_def_cfa_offset 160
	salq	$2, %r12
	movq	%rdi, 8(%rsp)
	movq	%r13, %rdi
	movq	%fs:40, %rax
	movq	%rax, 88(%rsp)
	xorl	%eax, %eax
	call	malloc@PLT
	leaq	16(%rsp), %rdi
	movq	%r12, %rsi
	movq	%rax, (%rsp)
	call	cudaMalloc@PLT
	testl	%eax, %eax
	je	.L19
	movl	%eax, %edi
	call	cudaGetErrorString@PLT
	movl	$85, %r8d
	movq	%rax, %r9
	jmp	.L33
.L19:
	leaq	24(%rsp), %rdi
	movq	%r13, %rsi
	call	cudaMalloc@PLT
	movl	%eax, %edi
	testl	%eax, %eax
	je	.L20
	call	cudaGetErrorString@PLT
	movl	$86, %r8d
	movq	%rax, %r9
.L33:
	movq	stderr(%rip), %rdi
	leaq	.LC0(%rip), %rcx
	leaq	.LC1(%rip), %rdx
	xorl	%eax, %eax
	movl	$1, %esi
	call	__fprintf_chk@PLT
	movl	$1, %edi
	call	exit@PLT
.L20:
	leaq	32(%rsp), %rdi
	movq	%r13, %rsi
	call	cudaMalloc@PLT
	movl	%eax, %edi
	testl	%eax, %eax
	je	.L21
	call	cudaGetErrorString@PLT
	movl	$87, %r8d
	movq	%rax, %r9
	jmp	.L33
.L21:
	movq	16(%rsp), %rdi
	movq	8(%rsp), %rsi
	movq	%r12, %rdx
	movl	%ebx, %ebp
	movabsq	$4294967552, %r15
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movl	%eax, %edi
	testl	%eax, %eax
	je	.L23
	call	cudaGetErrorString@PLT
	movl	$90, %r8d
	movq	%rax, %r9
	jmp	.L33
.L27:
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	movq	%r15, %rdx
	movl	$1, %ecx
	movabsq	$4294967297, %rdi
	movl	$1, %esi
	movq	%r15, 76(%rsp)
	movl	$1, 84(%rsp)
	movq	%rdi, 64(%rsp)
	movl	$1, 72(%rsp)
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L24
	movq	32(%rsp), %rdx
	movq	24(%rsp), %rsi
	movl	%r14d, %r8d
	movl	%ebx, %ecx
	movq	16(%rsp), %rdi
	call	_Z43__device_stub__Z17findPivotAndScalePfPiS_iiPfPiS_ii
.L24:
	leal	14(%rbp), %eax
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	movl	$1, %ecx
	shrl	$4, %eax
	movl	$1, %esi
	movabsq	$68719476752, %rdx
	movl	%eax, 52(%rsp)
	movl	%eax, 56(%rsp)
	movq	52(%rsp), %rdi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L25
	movq	32(%rsp), %rsi
	movq	16(%rsp), %rdi
	movl	%r14d, %ecx
	movl	%ebx, %edx
	call	_Z36__device_stub__Z12updateMatrixPfS_iiPfS_ii
.L25:
	movl	$256, %ecx
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	movq	%r15, 76(%rsp)
	leal	254(%rbp), %eax
	movl	$1, 84(%rsp)
	cltd
	idivl	%ecx
	movq	%r15, %rdx
	movl	$1, %ecx
	movl	%eax, 64(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 68(%rsp)
	movq	64(%rsp), %rdi
	movl	72(%rsp), %esi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L26
	movq	32(%rsp), %rsi
	movq	16(%rsp), %rdi
	movl	%r14d, %ecx
	movl	%ebx, %edx
	call	_Z37__device_stub__Z13storeLFactorsPfS_iiPfS_ii
.L26:
	decl	%ebp
.L23:
	movl	%ebx, %r14d
	leal	-1(%rbx), %eax
	subl	%ebp, %r14d
	cmpl	%r14d, %eax
	jg	.L27
	movq	8(%rsp), %rdi
	movq	16(%rsp), %rsi
	movl	$2, %ecx
	movq	%r12, %rdx
	call	cudaMemcpy@PLT
	movl	%eax, %edi
	testl	%eax, %eax
	je	.L28
	call	cudaGetErrorString@PLT
	movl	$111, %r8d
	movq	%rax, %r9
	jmp	.L33
.L28:
	movq	(%rsp), %rdi
	movq	24(%rsp), %rsi
	movl	$2, %ecx
	movq	%r13, %rdx
	call	cudaMemcpy@PLT
	movl	%eax, %edi
	testl	%eax, %eax
	je	.L29
	call	cudaGetErrorString@PLT
	movl	$112, %r8d
	movq	%rax, %r9
	jmp	.L33
.L29:
	movq	16(%rsp), %rdi
	call	cudaFree@PLT
	movq	24(%rsp), %rdi
	call	cudaFree@PLT
	movq	32(%rsp), %rdi
	call	cudaFree@PLT
	movq	88(%rsp), %rax
	subq	%fs:40, %rax
	je	.L30
	call	__stack_chk_fail@PLT
.L30:
	movq	(%rsp), %rdi
	addq	$104, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%rbp
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	jmp	free@PLT
	.cfi_endproc
.LFE2776:
	.size	_Z15luDecompositionPfi, .-_Z15luDecompositionPfi
	.section	.rodata.str1.1
.LC3:
	.string	"LU decomposition completed successfully\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2777:
	.cfi_startproc
	endbr64
	decl	%edi
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	pushq	%r14
	.cfi_def_cfa_offset 24
	.cfi_offset 14, -24
	pushq	%r13
	.cfi_def_cfa_offset 32
	.cfi_offset 13, -32
	pushq	%r12
	.cfi_def_cfa_offset 40
	.cfi_offset 12, -40
	pushq	%rbp
	.cfi_def_cfa_offset 48
	.cfi_offset 6, -48
	movl	$1024, %ebp
	pushq	%rbx
	.cfi_def_cfa_offset 56
	.cfi_offset 3, -56
	pushq	%rcx
	.cfi_def_cfa_offset 64
	jle	.L35
	movq	8(%rsi), %rdi
	call	atoi@PLT
	movl	%eax, %ebp
.L35:
	movl	%ebp, %edi
	movslq	%ebp, %r15
	xorl	%r13d, %r13d
	imull	%ebp, %edi
	salq	$2, %r15
	movslq	%edi, %rdi
	salq	$2, %rdi
	call	malloc@PLT
	movq	%rax, %r12
	movq	%rax, %r14
.L36:
	cmpl	%r13d, %ebp
	jle	.L43
	xorl	%ebx, %ebx
.L37:
	call	rand@PLT
	cvtsi2ssl	%eax, %xmm0
	mulss	.LC2(%rip), %xmm0
	movss	%xmm0, (%r14,%rbx,4)
	incq	%rbx
	cmpl	%ebx, %ebp
	jg	.L37
	incl	%r13d
	addq	%r15, %r14
	jmp	.L36
.L43:
	movl	%ebp, %esi
	movq	%r12, %rdi
	call	_Z15luDecompositionPfi
	leaq	.LC3(%rip), %rsi
	movl	$1, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movq	%r12, %rdi
	call	free@PLT
	popq	%rdx
	.cfi_def_cfa_offset 56
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%rbp
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2777:
	.size	main, .-main
	.section	.rodata.str1.1
.LC4:
	.string	"_Z13storeLFactorsPfS_ii"
.LC5:
	.string	"_Z12updateMatrixPfS_ii"
.LC6:
	.string	"_Z17findPivotAndScalePfPiS_ii"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2809:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	leaq	_ZL15__fatDeviceText(%rip), %rdi
	call	__cudaRegisterFatBinary@PLT
	pushq	$0
	.cfi_def_cfa_offset 24
	xorl	%r9d, %r9d
	orl	$-1, %r8d
	pushq	$0
	.cfi_def_cfa_offset 32
	leaq	.LC4(%rip), %rdx
	movq	%rax, %rdi
	movq	%rax, %rbp
	pushq	$0
	.cfi_def_cfa_offset 40
	movq	%rdx, %rcx
	leaq	_Z13storeLFactorsPfS_ii(%rip), %rsi
	pushq	$0
	.cfi_def_cfa_offset 48
	movq	%rax, _ZL20__cudaFatCubinHandle(%rip)
	call	__cudaRegisterFunction@PLT
	addq	$32, %rsp
	.cfi_def_cfa_offset 16
	movq	%rbp, %rdi
	xorl	%r9d, %r9d
	pushq	$0
	.cfi_def_cfa_offset 24
	leaq	.LC5(%rip), %rdx
	orl	$-1, %r8d
	leaq	_Z12updateMatrixPfS_ii(%rip), %rsi
	pushq	$0
	.cfi_def_cfa_offset 32
	movq	%rdx, %rcx
	pushq	$0
	.cfi_def_cfa_offset 40
	pushq	$0
	.cfi_def_cfa_offset 48
	call	__cudaRegisterFunction@PLT
	addq	$32, %rsp
	.cfi_def_cfa_offset 16
	movq	%rbp, %rdi
	xorl	%r9d, %r9d
	pushq	$0
	.cfi_def_cfa_offset 24
	leaq	.LC6(%rip), %rdx
	orl	$-1, %r8d
	leaq	_Z17findPivotAndScalePfPiS_ii(%rip), %rsi
	pushq	$0
	.cfi_def_cfa_offset 32
	movq	%rdx, %rcx
	pushq	$0
	.cfi_def_cfa_offset 40
	pushq	$0
	.cfi_def_cfa_offset 48
	call	__cudaRegisterFunction@PLT
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	addq	$32, %rsp
	.cfi_def_cfa_offset 16
	call	__cudaRegisterFatBinaryEnd@PLT
	leaq	_ZL26__cudaUnregisterBinaryUtilv(%rip), %rdi
	popq	%rbp
	.cfi_def_cfa_offset 8
	jmp	atexit@PLT
	.cfi_endproc
.LFE2809:
	.size	_ZL24__sti____cudaRegisterAllv, .-_ZL24__sti____cudaRegisterAllv
	.section	.init_array,"aw"
	.align 8
	.quad	_ZL24__sti____cudaRegisterAllv
	.section	.nvFatBinSegment,"aw"
	.align 8
	.type	_ZL15__fatDeviceText, @object
	.size	_ZL15__fatDeviceText, 24
_ZL15__fatDeviceText:
	.long	1180844977
	.long	1
	.quad	fatbinData
	.quad	0
	.local	_ZL20__cudaFatCubinHandle
	.comm	_ZL20__cudaFatCubinHandle,8,8
	.section	.rodata.cst4,"aM",@progbits,4
	.align 4
.LC2:
	.long	805306368
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:

#include <stdio.h>
#include <stdlib.h>
#include <hip/hip_runtime.h>
#include <math.h>

// Error checking macro
#define CHECK_HIP_ERROR(call) \
do { \
    hipError_t err = call; \
    if (err != hipSuccess) { \
        fprintf(stderr, "HIP error in %s:%d: %s\n", __FILE__, __LINE__, \
                hipGetErrorString(err)); \
        exit(EXIT_FAILURE); \
    } \
} while(0)

// Kernel for the pivot selection and scaling
__global__ void findPivotAndScale(float *A, int *pivots, float *scales, int n, int k) {
    int idx = hipBlockIdx_x * hipBlockDim_x + hipThreadIdx_x;
    
    if (idx == 0) {
        // Find pivot
        int pivot = k;
        float max_val = fabsf(A[k * n + k]);
        
        for (int i = k + 1; i < n; i++) {
            float val = fabsf(A[i * n + k]);
            if (val > max_val) {
                max_val = val;
                pivot = i;
            }
        }
        
        pivots[k] = pivot;
        
        // Swap rows if needed
        if (pivot != k) {
            for (int j = 0; j < n; j++) {
                float temp = A[k * n + j];
                A[k * n + j] = A[pivot * n + j];
                A[pivot * n + j] = temp;
            }
        }
    }
    
    // Calculate scaling factors for each row
    if (idx < n - k - 1) {
        int i = k + 1 + idx;
        scales[idx] = A[i * n + k] / A[k * n + k];
    }
}

// Kernel for updating the matrix
__global__ void updateMatrix(float *A, float *scales, int n, int k) {
    int row = hipBlockIdx_y * hipBlockDim_y + hipThreadIdx_y + k + 1;
    int col = hipBlockIdx_x * hipBlockDim_x + hipThreadIdx_x + k + 1;
    
    if (row < n && col < n) {
        int idx = row - k - 1;  // Index into scales array
        A[row * n + col] -= scales[idx] * A[k * n + col];
    }
}

// Store L factors in the lower triangular part
__global__ void storeLFactors(float *A, float *scales, int n, int k) {
    int idx = hipBlockIdx_x * hipBlockDim_x + hipThreadIdx_x;
    
    if (idx < n - k - 1) {
        int i = k + 1 + idx;
        A[i * n + k] = scales[idx];
    }
}

void luDecomposition(float *h_A, int n) {
    float *d_A;
    int *d_pivots;
    float *d_scales;
    int *h_pivots;
    
    size_t size = n * n * sizeof(float);
    h_pivots = (int*)malloc(n * sizeof(int));
    
    // Allocate device memory
    CHECK_HIP_ERROR(hipMalloc((void**)&d_A, size));
    CHECK_HIP_ERROR(hipMalloc((void**)&d_pivots, n * sizeof(int)));
    CHECK_HIP_ERROR(hipMalloc((void**)&d_scales, n * sizeof(float)));
    
    // Copy matrix to device
    CHECK_HIP_ERROR(hipMemcpy(d_A, h_A, size, hipMemcpyHostToDevice));
    
    // LU decomposition
    for (int k = 0; k < n - 1; k++) {
        // Find pivot and calculate scaling factors
        hipLaunchKernelGGL(findPivotAndScale, dim3(1), dim3(256), 0, 0, d_A, d_pivots, d_scales, n, k);
        
        // Update the trailing submatrix
        dim3 blockDim(16, 16);
        dim3 gridDim((n - k - 1 + blockDim.x - 1) / blockDim.x, 
                      (n - k - 1 + blockDim.y - 1) / blockDim.y);
        
        hipLaunchKernelGGL(updateMatrix, gridDim, blockDim, 0, 0, d_A, d_scales, n, k);
        
        // Store L factors
        int threadsPerBlock = 256;
        int blocksPerGrid = (n - k - 1 + threadsPerBlock - 1) / threadsPerBlock;
        hipLaunchKernelGGL(storeLFactors, dim3(blocksPerGrid), dim3(threadsPerBlock), 0, 0, d_A, d_scales, n, k);
    }
    
    // Copy results back to host
    CHECK_HIP_ERROR(hipMemcpy(h_A, d_A, size, hipMemcpyDeviceToHost));
    CHECK_HIP_ERROR(hipMemcpy(h_pivots, d_pivots, n * sizeof(int), hipMemcpyDeviceToHost));
    
    // Clean up
    hipFree(d_A);
    hipFree(d_pivots);
    hipFree(d_scales);
    free(h_pivots);
}

int main(int argc, char **argv) {
    int n = 1024; // Matrix size
    if (argc > 1) {
        n = atoi(argv[1]);
    }
    
    float *h_A = (float*)malloc(n * n * sizeof(float));
    
    // Initialize matrix with random values
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            h_A[i * n + j] = rand() / (float)RAND_MAX;
        }
    }
    
    // Initialize HIP runtime
    CHECK_HIP_ERROR(hipInit(0));
    
    // Perform LU decomposition
    luDecomposition(h_A, n);
    
    printf("LU decomposition completed successfully\n");
    
    // Optional: Verify the result
    /*
    printf("First few elements of the LU decomposed matrix:\n");
    for (int i = 0; i < 5 && i < n; i++) {
        for (int j = 0; j < 5 && j < n; j++) {
            printf("%f ", h_A[i * n + j]);
        }
        printf("\n");
    }
    */
    
    free(h_A);
    return 0;
}
	.text
	.file	"15.cpp"
	.globl	_Z32__device_stub__findPivotAndScalePfPiS_ii # -- Begin function _Z32__device_stub__findPivotAndScalePfPiS_ii
	.p2align	4, 0x90
	.type	_Z32__device_stub__findPivotAndScalePfPiS_ii,@function
_Z32__device_stub__findPivotAndScalePfPiS_ii: # @_Z32__device_stub__findPivotAndScalePfPiS_ii
	.cfi_startproc
# %bb.0:
	subq	$120, %rsp
	.cfi_def_cfa_offset 128
	movq	%rdi, 72(%rsp)
	movq	%rsi, 64(%rsp)
	movq	%rdx, 56(%rsp)
	movl	%ecx, 4(%rsp)
	movl	%r8d, (%rsp)
	leaq	72(%rsp), %rax
	movq	%rax, 80(%rsp)
	leaq	64(%rsp), %rax
	movq	%rax, 88(%rsp)
	leaq	56(%rsp), %rax
	movq	%rax, 96(%rsp)
	leaq	4(%rsp), %rax
	movq	%rax, 104(%rsp)
	movq	%rsp, %rax
	movq	%rax, 112(%rsp)
	leaq	40(%rsp), %rdi
	leaq	24(%rsp), %rsi
	leaq	16(%rsp), %rdx
	leaq	8(%rsp), %rcx
	callq	__hipPopCallConfiguration
	movq	40(%rsp), %rsi
	movl	48(%rsp), %edx
	movq	24(%rsp), %rcx
	movl	32(%rsp), %r8d
	leaq	80(%rsp), %r9
	movl	$_Z17findPivotAndScalePfPiS_ii, %edi
	pushq	8(%rsp)
	.cfi_adjust_cfa_offset 8
	pushq	24(%rsp)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$136, %rsp
	.cfi_adjust_cfa_offset -136
	retq
.Lfunc_end0:
	.size	_Z32__device_stub__findPivotAndScalePfPiS_ii, .Lfunc_end0-_Z32__device_stub__findPivotAndScalePfPiS_ii
	.cfi_endproc
                                        # -- End function
	.globl	_Z27__device_stub__updateMatrixPfS_ii # -- Begin function _Z27__device_stub__updateMatrixPfS_ii
	.p2align	4, 0x90
	.type	_Z27__device_stub__updateMatrixPfS_ii,@function
_Z27__device_stub__updateMatrixPfS_ii:  # @_Z27__device_stub__updateMatrixPfS_ii
	.cfi_startproc
# %bb.0:
	subq	$120, %rsp
	.cfi_def_cfa_offset 128
	movq	%rdi, 72(%rsp)
	movq	%rsi, 64(%rsp)
	movl	%edx, 12(%rsp)
	movl	%ecx, 8(%rsp)
	leaq	72(%rsp), %rax
	movq	%rax, 80(%rsp)
	leaq	64(%rsp), %rax
	movq	%rax, 88(%rsp)
	leaq	12(%rsp), %rax
	movq	%rax, 96(%rsp)
	leaq	8(%rsp), %rax
	movq	%rax, 104(%rsp)
	leaq	48(%rsp), %rdi
	leaq	32(%rsp), %rsi
	leaq	24(%rsp), %rdx
	leaq	16(%rsp), %rcx
	callq	__hipPopCallConfiguration
	movq	48(%rsp), %rsi
	movl	56(%rsp), %edx
	movq	32(%rsp), %rcx
	movl	40(%rsp), %r8d
	leaq	80(%rsp), %r9
	movl	$_Z12updateMatrixPfS_ii, %edi
	pushq	16(%rsp)
	.cfi_adjust_cfa_offset 8
	pushq	32(%rsp)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$136, %rsp
	.cfi_adjust_cfa_offset -136
	retq
.Lfunc_end1:
	.size	_Z27__device_stub__updateMatrixPfS_ii, .Lfunc_end1-_Z27__device_stub__updateMatrixPfS_ii
	.cfi_endproc
                                        # -- End function
	.globl	_Z28__device_stub__storeLFactorsPfS_ii # -- Begin function _Z28__device_stub__storeLFactorsPfS_ii
	.p2align	4, 0x90
	.type	_Z28__device_stub__storeLFactorsPfS_ii,@function
_Z28__device_stub__storeLFactorsPfS_ii: # @_Z28__device_stub__storeLFactorsPfS_ii
	.cfi_startproc
# %bb.0:
	subq	$120, %rsp
	.cfi_def_cfa_offset 128
	movq	%rdi, 72(%rsp)
	movq	%rsi, 64(%rsp)
	movl	%edx, 12(%rsp)
	movl	%ecx, 8(%rsp)
	leaq	72(%rsp), %rax
	movq	%rax, 80(%rsp)
	leaq	64(%rsp), %rax
	movq	%rax, 88(%rsp)
	leaq	12(%rsp), %rax
	movq	%rax, 96(%rsp)
	leaq	8(%rsp), %rax
	movq	%rax, 104(%rsp)
	leaq	48(%rsp), %rdi
	leaq	32(%rsp), %rsi
	leaq	24(%rsp), %rdx
	leaq	16(%rsp), %rcx
	callq	__hipPopCallConfiguration
	movq	48(%rsp), %rsi
	movl	56(%rsp), %edx
	movq	32(%rsp), %rcx
	movl	40(%rsp), %r8d
	leaq	80(%rsp), %r9
	movl	$_Z13storeLFactorsPfS_ii, %edi
	pushq	16(%rsp)
	.cfi_adjust_cfa_offset 8
	pushq	32(%rsp)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$136, %rsp
	.cfi_adjust_cfa_offset -136
	retq
.Lfunc_end2:
	.size	_Z28__device_stub__storeLFactorsPfS_ii, .Lfunc_end2-_Z28__device_stub__storeLFactorsPfS_ii
	.cfi_endproc
                                        # -- End function
	.globl	_Z15luDecompositionPfi          # -- Begin function _Z15luDecompositionPfi
	.p2align	4, 0x90
	.type	_Z15luDecompositionPfi,@function
_Z15luDecompositionPfi:                 # @_Z15luDecompositionPfi
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%r13
	.cfi_def_cfa_offset 40
	pushq	%r12
	.cfi_def_cfa_offset 48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	subq	$184, %rsp
	.cfi_def_cfa_offset 240
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movl	%esi, %r13d
	movq	%rdi, %r12
	movl	%esi, %r15d
	imull	%r15d, %r15d
	shlq	$2, %r15
	movslq	%esi, %r14
	shlq	$2, %r14
	movq	%r14, %rdi
	callq	malloc
	movq	%rax, %rbx
	leaq	8(%rsp), %rdi
	movq	%r15, %rsi
	callq	hipMalloc
	testl	%eax, %eax
	jne	.LBB3_1
# %bb.3:
	leaq	96(%rsp), %rdi
	movq	%r14, %rsi
	callq	hipMalloc
	testl	%eax, %eax
	jne	.LBB3_4
# %bb.5:
	leaq	88(%rsp), %rdi
	movq	%r14, %rsi
	callq	hipMalloc
	testl	%eax, %eax
	jne	.LBB3_6
# %bb.7:
	movq	%r14, 152(%rsp)                 # 8-byte Spill
	movq	%rbx, 160(%rsp)                 # 8-byte Spill
	movq	8(%rsp), %rdi
	movq	%r12, 168(%rsp)                 # 8-byte Spill
	movq	%r12, %rsi
	movq	%r15, 176(%rsp)                 # 8-byte Spill
	movq	%r15, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	jne	.LBB3_22
# %bb.8:                                # %.preheader
	cmpl	$2, %r13d
	jl	.LBB3_17
# %bb.9:                                # %.lr.ph
	movabsq	$4294967297, %rbp               # imm = 0x100000001
	leal	254(%r13), %r12d
	xorl	%r14d, %r14d
	leaq	255(%rbp), %rbx
	leaq	112(%rsp), %r15
	jmp	.LBB3_10
	.p2align	4, 0x90
.LBB3_16:                               #   in Loop: Header=BB3_10 Depth=1
	incl	%r14d
	decl	%r12d
	cmpl	$255, %r12d
	je	.LBB3_17
.LBB3_10:                               # =>This Inner Loop Header: Depth=1
	movq	%rbp, %rdi
	movl	$1, %esi
	movq	%rbx, %rdx
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB3_12
# %bb.11:                               #   in Loop: Header=BB3_10 Depth=1
	movq	8(%rsp), %rax
	movq	96(%rsp), %rcx
	movq	88(%rsp), %rdx
	movq	%rax, 80(%rsp)
	movq	%rcx, 72(%rsp)
	movq	%rdx, 32(%rsp)
	movl	%r13d, 4(%rsp)
	movl	%r14d, 108(%rsp)
	leaq	80(%rsp), %rax
	movq	%rax, 112(%rsp)
	leaq	72(%rsp), %rax
	movq	%rax, 120(%rsp)
	leaq	32(%rsp), %rax
	movq	%rax, 128(%rsp)
	leaq	4(%rsp), %rax
	movq	%rax, 136(%rsp)
	leaq	108(%rsp), %rax
	movq	%rax, 144(%rsp)
	leaq	56(%rsp), %rdi
	leaq	40(%rsp), %rsi
	leaq	24(%rsp), %rdx
	leaq	16(%rsp), %rcx
	callq	__hipPopCallConfiguration
	movq	56(%rsp), %rsi
	movl	64(%rsp), %edx
	movq	40(%rsp), %rcx
	movl	48(%rsp), %r8d
	movl	$_Z17findPivotAndScalePfPiS_ii, %edi
	movq	%r15, %r9
	pushq	16(%rsp)
	.cfi_adjust_cfa_offset 8
	pushq	32(%rsp)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$16, %rsp
	.cfi_adjust_cfa_offset -16
.LBB3_12:                               #   in Loop: Header=BB3_10 Depth=1
	leal	-240(%r12), %edi
	shrl	$4, %edi
	imulq	%rbp, %rdi
	movl	$1, %esi
	movabsq	$68719476752, %rdx              # imm = 0x1000000010
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB3_14
# %bb.13:                               #   in Loop: Header=BB3_10 Depth=1
	movq	8(%rsp), %rax
	movq	88(%rsp), %rcx
	movq	%rax, 80(%rsp)
	movq	%rcx, 72(%rsp)
	movl	%r13d, 16(%rsp)
	movl	%r14d, 4(%rsp)
	leaq	80(%rsp), %rax
	movq	%rax, 112(%rsp)
	leaq	72(%rsp), %rax
	movq	%rax, 120(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 128(%rsp)
	leaq	4(%rsp), %rax
	movq	%rax, 136(%rsp)
	leaq	56(%rsp), %rdi
	leaq	40(%rsp), %rsi
	leaq	32(%rsp), %rdx
	leaq	24(%rsp), %rcx
	callq	__hipPopCallConfiguration
	movq	56(%rsp), %rsi
	movl	64(%rsp), %edx
	movq	40(%rsp), %rcx
	movl	48(%rsp), %r8d
	movl	$_Z12updateMatrixPfS_ii, %edi
	movq	%r15, %r9
	pushq	24(%rsp)
	.cfi_adjust_cfa_offset 8
	pushq	40(%rsp)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$16, %rsp
	.cfi_adjust_cfa_offset -16
.LBB3_14:                               #   in Loop: Header=BB3_10 Depth=1
	leal	255(%r12), %eax
	testl	%r12d, %r12d
	cmovnsl	%r12d, %eax
	sarl	$8, %eax
	leaq	(%rax,%rbp), %rdi
	decq	%rdi
	movl	$1, %esi
	movq	%rbx, %rdx
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB3_16
# %bb.15:                               #   in Loop: Header=BB3_10 Depth=1
	movq	8(%rsp), %rax
	movq	88(%rsp), %rcx
	movq	%rax, 80(%rsp)
	movq	%rcx, 72(%rsp)
	movl	%r13d, 16(%rsp)
	movl	%r14d, 4(%rsp)
	leaq	80(%rsp), %rax
	movq	%rax, 112(%rsp)
	leaq	72(%rsp), %rax
	movq	%rax, 120(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 128(%rsp)
	leaq	4(%rsp), %rax
	movq	%rax, 136(%rsp)
	leaq	56(%rsp), %rdi
	leaq	40(%rsp), %rsi
	leaq	32(%rsp), %rdx
	leaq	24(%rsp), %rcx
	callq	__hipPopCallConfiguration
	movq	56(%rsp), %rsi
	movl	64(%rsp), %edx
	movq	40(%rsp), %rcx
	movl	48(%rsp), %r8d
	movl	$_Z13storeLFactorsPfS_ii, %edi
	movq	%r15, %r9
	pushq	24(%rsp)
	.cfi_adjust_cfa_offset 8
	pushq	40(%rsp)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$16, %rsp
	.cfi_adjust_cfa_offset -16
	jmp	.LBB3_16
.LBB3_17:                               # %._crit_edge
	movq	8(%rsp), %rsi
	movq	168(%rsp), %rdi                 # 8-byte Reload
	movq	176(%rsp), %rdx                 # 8-byte Reload
	movl	$2, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	jne	.LBB3_18
# %bb.19:
	movq	96(%rsp), %rsi
	movq	160(%rsp), %rbx                 # 8-byte Reload
	movq	%rbx, %rdi
	movq	152(%rsp), %rdx                 # 8-byte Reload
	movl	$2, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	jne	.LBB3_20
# %bb.21:
	movq	8(%rsp), %rdi
	callq	hipFree
	movq	96(%rsp), %rdi
	callq	hipFree
	movq	88(%rsp), %rdi
	callq	hipFree
	movq	%rbx, %rdi
	callq	free
	addq	$184, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%r12
	.cfi_def_cfa_offset 40
	popq	%r13
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.LBB3_1:
	.cfi_def_cfa_offset 240
	movq	stderr(%rip), %rbx
	movl	%eax, %edi
	callq	hipGetErrorString
	movl	$.L.str, %esi
	movl	$.L.str.1, %edx
	movq	%rbx, %rdi
	movl	$84, %ecx
	jmp	.LBB3_2
.LBB3_4:
	movq	stderr(%rip), %rbx
	movl	%eax, %edi
	callq	hipGetErrorString
	movl	$.L.str, %esi
	movl	$.L.str.1, %edx
	movq	%rbx, %rdi
	movl	$85, %ecx
	jmp	.LBB3_2
.LBB3_6:
	movq	stderr(%rip), %rbx
	movl	%eax, %edi
	callq	hipGetErrorString
	movl	$.L.str, %esi
	movl	$.L.str.1, %edx
	movq	%rbx, %rdi
	movl	$86, %ecx
	jmp	.LBB3_2
.LBB3_22:
	movq	stderr(%rip), %rbx
	movl	%eax, %edi
	callq	hipGetErrorString
	movl	$.L.str, %esi
	movl	$.L.str.1, %edx
	movq	%rbx, %rdi
	movl	$89, %ecx
	jmp	.LBB3_2
.LBB3_18:
	movq	stderr(%rip), %rbx
	movl	%eax, %edi
	callq	hipGetErrorString
	movl	$.L.str, %esi
	movl	$.L.str.1, %edx
	movq	%rbx, %rdi
	movl	$110, %ecx
	jmp	.LBB3_2
.LBB3_20:
	movq	stderr(%rip), %rbx
	movl	%eax, %edi
	callq	hipGetErrorString
	movl	$.L.str, %esi
	movl	$.L.str.1, %edx
	movq	%rbx, %rdi
	movl	$111, %ecx
.LBB3_2:
	movq	%rax, %r8
	xorl	%eax, %eax
	callq	fprintf
	movl	$1, %edi
	callq	exit
.Lfunc_end3:
	.size	_Z15luDecompositionPfi, .Lfunc_end3-_Z15luDecompositionPfi
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst4,"aM",@progbits,4
	.p2align	2, 0x0                          # -- Begin function main
.LCPI4_0:
	.long	0x30000000                      # float 4.65661287E-10
	.text
	.globl	main
	.p2align	4, 0x90
	.type	main,@function
main:                                   # @main
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%r13
	.cfi_def_cfa_offset 40
	pushq	%r12
	.cfi_def_cfa_offset 48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	pushq	%rax
	.cfi_def_cfa_offset 64
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movl	$1024, %ebx                     # imm = 0x400
	cmpl	$2, %edi
	jl	.LBB4_2
# %bb.1:
	movq	8(%rsi), %rdi
	xorl	%esi, %esi
	movl	$10, %edx
	callq	__isoc23_strtol
	movq	%rax, %rbx
.LBB4_2:
	movl	%ebx, %edi
	imull	%edi, %edi
	shlq	$2, %rdi
	callq	malloc
	movq	%rax, (%rsp)                    # 8-byte Spill
	testl	%ebx, %ebx
	jle	.LBB4_7
# %bb.3:                                # %.preheader.lr.ph
	movl	%ebx, %r15d
	xorl	%r12d, %r12d
	xorl	%r13d, %r13d
	.p2align	4, 0x90
.LBB4_4:                                # %.preheader
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB4_5 Depth 2
	movq	%rbx, %r14
	movl	%r12d, %eax
	movq	(%rsp), %rcx                    # 8-byte Reload
	leaq	(%rcx,%rax,4), %rbp
	xorl	%ebx, %ebx
	.p2align	4, 0x90
.LBB4_5:                                #   Parent Loop BB4_4 Depth=1
                                        # =>  This Inner Loop Header: Depth=2
	callq	rand
	movss	.LCPI4_0(%rip), %xmm1           # xmm1 = mem[0],zero,zero,zero
	xorps	%xmm0, %xmm0
	cvtsi2ss	%eax, %xmm0
	mulss	%xmm1, %xmm0
	movss	%xmm0, (%rbp,%rbx,4)
	incq	%rbx
	cmpq	%rbx, %r15
	jne	.LBB4_5
# %bb.6:                                # %._crit_edge
                                        #   in Loop: Header=BB4_4 Depth=1
	incq	%r13
	movq	%r14, %rbx
	addl	%ebx, %r12d
	cmpq	%r15, %r13
	jne	.LBB4_4
.LBB4_7:                                # %._crit_edge24
	xorl	%edi, %edi
	callq	hipInit
	testl	%eax, %eax
	jne	.LBB4_9
# %bb.8:
	movq	(%rsp), %r14                    # 8-byte Reload
	movq	%r14, %rdi
	movl	%ebx, %esi
	callq	_Z15luDecompositionPfi
	movl	$.Lstr, %edi
	callq	puts@PLT
	movq	%r14, %rdi
	callq	free
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%r12
	.cfi_def_cfa_offset 40
	popq	%r13
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.LBB4_9:
	.cfi_def_cfa_offset 64
	movq	stderr(%rip), %rbx
	movl	%eax, %edi
	callq	hipGetErrorString
	movl	$.L.str, %esi
	movl	$.L.str.1, %edx
	movq	%rbx, %rdi
	movl	$136, %ecx
	movq	%rax, %r8
	xorl	%eax, %eax
	callq	fprintf
	movl	$1, %edi
	callq	exit
.Lfunc_end4:
	.size	main, .Lfunc_end4-main
	.cfi_endproc
                                        # -- End function
	.p2align	4, 0x90                         # -- Begin function __hip_module_ctor
	.type	__hip_module_ctor,@function
__hip_module_ctor:                      # @__hip_module_ctor
	.cfi_startproc
# %bb.0:
	pushq	%rbx
	.cfi_def_cfa_offset 16
	subq	$32, %rsp
	.cfi_def_cfa_offset 48
	.cfi_offset %rbx, -16
	cmpq	$0, __hip_gpubin_handle(%rip)
	jne	.LBB5_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB5_2:
	movq	__hip_gpubin_handle(%rip), %rbx
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z17findPivotAndScalePfPiS_ii, %esi
	movl	$.L__unnamed_1, %edx
	movl	$.L__unnamed_1, %ecx
	movq	%rbx, %rdi
	movl	$-1, %r8d
	xorl	%r9d, %r9d
	callq	__hipRegisterFunction
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z12updateMatrixPfS_ii, %esi
	movl	$.L__unnamed_2, %edx
	movl	$.L__unnamed_2, %ecx
	movq	%rbx, %rdi
	movl	$-1, %r8d
	xorl	%r9d, %r9d
	callq	__hipRegisterFunction
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z13storeLFactorsPfS_ii, %esi
	movl	$.L__unnamed_3, %edx
	movl	$.L__unnamed_3, %ecx
	movq	%rbx, %rdi
	movl	$-1, %r8d
	xorl	%r9d, %r9d
	callq	__hipRegisterFunction
	movl	$__hip_module_dtor, %edi
	addq	$32, %rsp
	.cfi_def_cfa_offset 16
	popq	%rbx
	.cfi_def_cfa_offset 8
	jmp	atexit                          # TAILCALL
.Lfunc_end5:
	.size	__hip_module_ctor, .Lfunc_end5-__hip_module_ctor
	.cfi_endproc
                                        # -- End function
	.p2align	4, 0x90                         # -- Begin function __hip_module_dtor
	.type	__hip_module_dtor,@function
__hip_module_dtor:                      # @__hip_module_dtor
	.cfi_startproc
# %bb.0:
	movq	__hip_gpubin_handle(%rip), %rdi
	testq	%rdi, %rdi
	je	.LBB6_2
# %bb.1:
	pushq	%rax
	.cfi_def_cfa_offset 16
	callq	__hipUnregisterFatBinary
	movq	$0, __hip_gpubin_handle(%rip)
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
.LBB6_2:
	retq
.Lfunc_end6:
	.size	__hip_module_dtor, .Lfunc_end6-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	_Z17findPivotAndScalePfPiS_ii,@object # @_Z17findPivotAndScalePfPiS_ii
	.section	.rodata,"a",@progbits
	.globl	_Z17findPivotAndScalePfPiS_ii
	.p2align	3, 0x0
_Z17findPivotAndScalePfPiS_ii:
	.quad	_Z32__device_stub__findPivotAndScalePfPiS_ii
	.size	_Z17findPivotAndScalePfPiS_ii, 8

	.type	_Z12updateMatrixPfS_ii,@object  # @_Z12updateMatrixPfS_ii
	.globl	_Z12updateMatrixPfS_ii
	.p2align	3, 0x0
_Z12updateMatrixPfS_ii:
	.quad	_Z27__device_stub__updateMatrixPfS_ii
	.size	_Z12updateMatrixPfS_ii, 8

	.type	_Z13storeLFactorsPfS_ii,@object # @_Z13storeLFactorsPfS_ii
	.globl	_Z13storeLFactorsPfS_ii
	.p2align	3, 0x0
_Z13storeLFactorsPfS_ii:
	.quad	_Z28__device_stub__storeLFactorsPfS_ii
	.size	_Z13storeLFactorsPfS_ii, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"HIP error in %s:%d: %s\n"
	.size	.L.str, 24

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"15.cpp"
	.size	.L.str.1, 7

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z17findPivotAndScalePfPiS_ii"
	.size	.L__unnamed_1, 30

	.type	.L__unnamed_2,@object           # @1
.L__unnamed_2:
	.asciz	"_Z12updateMatrixPfS_ii"
	.size	.L__unnamed_2, 23

	.type	.L__unnamed_3,@object           # @2
.L__unnamed_3:
	.asciz	"_Z13storeLFactorsPfS_ii"
	.size	.L__unnamed_3, 24

	.type	__hip_fatbin_wrapper,@object    # @__hip_fatbin_wrapper
	.section	.hipFatBinSegment,"a",@progbits
	.p2align	3, 0x0
__hip_fatbin_wrapper:
	.long	1212764230                      # 0x48495046
	.long	1                               # 0x1
	.quad	__hip_fatbin
	.quad	0
	.size	__hip_fatbin_wrapper, 24

	.type	__hip_gpubin_handle,@object     # @__hip_gpubin_handle
	.local	__hip_gpubin_handle
	.comm	__hip_gpubin_handle,8,8
	.section	.init_array,"aw",@init_array
	.p2align	3, 0x0
	.quad	__hip_module_ctor
	.type	__hip_cuid_,@object             # @__hip_cuid_
	.bss
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               # 0x0
	.size	__hip_cuid_, 1

	.type	.Lstr,@object                   # @str
	.section	.rodata.str1.1,"aMS",@progbits,1
.Lstr:
	.asciz	"LU decomposition completed successfully"
	.size	.Lstr, 40

	.section	".linker-options","e",@llvm_linker_options
	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym _Z32__device_stub__findPivotAndScalePfPiS_ii
	.addrsig_sym _Z27__device_stub__updateMatrixPfS_ii
	.addrsig_sym _Z28__device_stub__storeLFactorsPfS_ii
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z17findPivotAndScalePfPiS_ii
	.addrsig_sym _Z12updateMatrixPfS_ii
	.addrsig_sym _Z13storeLFactorsPfS_ii
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z17findPivotAndScalePfPiS_ii ; -- Begin function _Z17findPivotAndScalePfPiS_ii
	.globl	_Z17findPivotAndScalePfPiS_ii
	.p2align	8
	.type	_Z17findPivotAndScalePfPiS_ii,@function
_Z17findPivotAndScalePfPiS_ii:          ; @_Z17findPivotAndScalePfPiS_ii
; %bb.0:
	s_clause 0x2
	s_load_b32 s6, s[0:1], 0x2c
	s_load_b64 s[4:5], s[0:1], 0x18
	s_load_b64 s[2:3], s[0:1], 0x0
	s_waitcnt lgkmcnt(0)
	s_and_b32 s6, s6, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(VALU_DEP_1)
	v_mad_u64_u32 v[1:2], null, s15, s6, v[0:1]
	s_mov_b32 s6, s5
	s_mov_b32 s5, exec_lo
	v_cmpx_eq_u32_e32 0, v1
	s_cbranch_execz .LBB0_8
; %bb.1:
	s_add_i32 s7, s6, 1
	s_mul_i32 s8, s6, s4
	s_cmp_ge_i32 s7, s4
	s_cbranch_scc1 .LBB0_4
; %bb.2:                                ; %.lr.ph.preheader
	s_add_i32 s10, s8, s6
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_ashr_i32 s11, s10, 31
	s_lshl_b64 s[10:11], s[10:11], 2
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_3) | instid1(SALU_CYCLE_1)
	s_add_u32 s10, s2, s10
	s_addc_u32 s11, s3, s11
	s_load_b32 s9, s[10:11], 0x0
	s_mul_i32 s10, s4, s7
	s_add_i32 s10, s6, s10
	s_waitcnt lgkmcnt(0)
	s_bitset0_b32 s9, 31
	s_delay_alu instid0(SALU_CYCLE_1)
	v_mov_b32_e32 v0, s9
	s_mov_b32 s9, s6
	.p2align	6
.LBB0_3:                                ; %.lr.ph
                                        ; =>This Inner Loop Header: Depth=1
	s_ashr_i32 s11, s10, 31
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_lshl_b64 s[12:13], s[10:11], 2
	s_add_u32 s12, s2, s12
	s_addc_u32 s13, s3, s13
	s_load_b32 s11, s[12:13], 0x0
	s_waitcnt lgkmcnt(0)
	v_cmp_gt_f32_e64 s12, |s11|, v0
	s_delay_alu instid0(VALU_DEP_1)
	v_cndmask_b32_e64 v0, v0, |s11|, s12
	s_and_b32 s11, s12, exec_lo
	s_cselect_b32 s9, s7, s9
	s_add_i32 s7, s7, 1
	s_add_i32 s10, s10, s4
	s_cmp_ge_i32 s7, s4
	s_cbranch_scc0 .LBB0_3
	s_branch .LBB0_5
.LBB0_4:
	s_mov_b32 s9, s6
.LBB0_5:                                ; %._crit_edge
	s_load_b64 s[10:11], s[0:1], 0x8
	s_ashr_i32 s7, s6, 31
	v_mov_b32_e32 v0, 0
	s_lshl_b64 s[12:13], s[6:7], 2
	v_mov_b32_e32 v2, s9
	s_waitcnt lgkmcnt(0)
	s_add_u32 s10, s10, s12
	s_addc_u32 s11, s11, s13
	s_cmp_eq_u32 s9, s6
	global_store_b32 v0, v2, s[10:11]
	s_cselect_b32 s7, -1, 0
	s_cmp_lt_i32 s4, 1
	s_cselect_b32 s12, -1, 0
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_or_b32 s7, s7, s12
	s_and_b32 vcc_lo, exec_lo, s7
	s_cbranch_vccnz .LBB0_8
; %bb.6:                                ; %.lr.ph73
	s_mul_i32 s10, s9, s4
	s_mov_b32 s7, s4
	s_ashr_i32 s11, s10, 31
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_lshl_b64 s[10:11], s[10:11], 2
	s_add_u32 s10, s2, s10
	s_addc_u32 s11, s3, s11
	s_ashr_i32 s9, s8, 31
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_lshl_b64 s[8:9], s[8:9], 2
	s_add_u32 s8, s2, s8
	s_addc_u32 s9, s3, s9
.LBB0_7:                                ; =>This Inner Loop Header: Depth=1
	s_clause 0x1
	global_load_b32 v2, v0, s[10:11]
	global_load_b32 v3, v0, s[8:9]
	s_add_i32 s7, s7, -1
	s_waitcnt vmcnt(1)
	global_store_b32 v0, v2, s[8:9]
	s_waitcnt vmcnt(0)
	global_store_b32 v0, v3, s[10:11]
	s_add_u32 s10, s10, 4
	s_addc_u32 s11, s11, 0
	s_add_u32 s8, s8, 4
	s_addc_u32 s9, s9, 0
	s_cmp_lg_u32 s7, 0
	s_cbranch_scc1 .LBB0_7
.LBB0_8:                                ; %Flow93
	s_or_b32 exec_lo, exec_lo, s5
	s_not_b32 s5, s6
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_add_i32 s5, s5, s4
	v_cmp_gt_i32_e32 vcc_lo, s5, v1
	s_and_saveexec_b32 s5, vcc_lo
	s_cbranch_execz .LBB0_10
; %bb.9:
	v_add3_u32 v0, s6, 1, v1
	s_load_b64 s[0:1], s[0:1], 0x10
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_3) | instid1(SALU_CYCLE_1)
	v_mad_u64_u32 v[2:3], null, v0, s4, s[6:7]
	s_add_i32 s4, s4, 1
	v_mov_b32_e32 v0, 0
	s_mul_i32 s4, s4, s6
	s_ashr_i32 s5, s4, 31
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(VALU_DEP_2)
	s_lshl_b64 s[4:5], s[4:5], 2
	v_ashrrev_i32_e32 v3, 31, v2
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_lshlrev_b64 v[2:3], 2, v[2:3]
	v_add_co_u32 v2, vcc_lo, s2, v2
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v3, vcc_lo, s3, v3, vcc_lo
	s_add_u32 s2, s2, s4
	s_addc_u32 s3, s3, s5
	s_clause 0x1
	global_load_b32 v3, v[2:3], off
	global_load_b32 v4, v0, s[2:3]
	s_waitcnt vmcnt(0)
	v_div_scale_f32 v0, null, v4, v4, v3
	v_div_scale_f32 v6, vcc_lo, v3, v4, v3
	s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_2) | instid1(VALU_DEP_1)
	v_rcp_f32_e32 v5, v0
	s_waitcnt_depctr 0xfff
	v_fma_f32 v2, -v0, v5, 1.0
	v_fmac_f32_e32 v5, v2, v5
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_mul_f32_e32 v7, v6, v5
	v_fma_f32 v2, -v0, v7, v6
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_2)
	v_fmac_f32_e32 v7, v2, v5
	v_ashrrev_i32_e32 v2, 31, v1
	v_fma_f32 v0, -v0, v7, v6
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_3)
	v_div_fmas_f32 v5, v0, v5, v7
	v_lshlrev_b64 v[0:1], 2, v[1:2]
	s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_1) | instid1(VALU_DEP_2)
	v_div_fixup_f32 v2, v5, v4, v3
	s_waitcnt lgkmcnt(0)
	v_add_co_u32 v0, vcc_lo, s0, v0
	s_delay_alu instid0(VALU_DEP_3)
	v_add_co_ci_u32_e32 v1, vcc_lo, s1, v1, vcc_lo
	global_store_b32 v[0:1], v2, off
.LBB0_10:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z17findPivotAndScalePfPiS_ii
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 288
		.amdhsa_user_sgpr_count 15
		.amdhsa_user_sgpr_dispatch_ptr 0
		.amdhsa_user_sgpr_queue_ptr 0
		.amdhsa_user_sgpr_kernarg_segment_ptr 1
		.amdhsa_user_sgpr_dispatch_id 0
		.amdhsa_user_sgpr_private_segment_size 0
		.amdhsa_wavefront_size32 1
		.amdhsa_uses_dynamic_stack 0
		.amdhsa_enable_private_segment 0
		.amdhsa_system_sgpr_workgroup_id_x 1
		.amdhsa_system_sgpr_workgroup_id_y 0
		.amdhsa_system_sgpr_workgroup_id_z 0
		.amdhsa_system_sgpr_workgroup_info 0
		.amdhsa_system_vgpr_workitem_id 0
		.amdhsa_next_free_vgpr 8
		.amdhsa_next_free_sgpr 16
		.amdhsa_float_round_mode_32 0
		.amdhsa_float_round_mode_16_64 0
		.amdhsa_float_denorm_mode_32 3
		.amdhsa_float_denorm_mode_16_64 3
		.amdhsa_dx10_clamp 1
		.amdhsa_ieee_mode 1
		.amdhsa_fp16_overflow 0
		.amdhsa_workgroup_processor_mode 1
		.amdhsa_memory_ordered 1
		.amdhsa_forward_progress 0
		.amdhsa_shared_vgpr_count 0
		.amdhsa_exception_fp_ieee_invalid_op 0
		.amdhsa_exception_fp_denorm_src 0
		.amdhsa_exception_fp_ieee_div_zero 0
		.amdhsa_exception_fp_ieee_overflow 0
		.amdhsa_exception_fp_ieee_underflow 0
		.amdhsa_exception_fp_ieee_inexact 0
		.amdhsa_exception_int_div_zero 0
	.end_amdhsa_kernel
	.text
.Lfunc_end0:
	.size	_Z17findPivotAndScalePfPiS_ii, .Lfunc_end0-_Z17findPivotAndScalePfPiS_ii
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 720
; NumSgprs: 18
; NumVgprs: 8
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 8
; Occupancy: 16
; WaveLimiterHint : 0
; COMPUTE_PGM_RSRC2:SCRATCH_EN: 0
; COMPUTE_PGM_RSRC2:USER_SGPR: 15
; COMPUTE_PGM_RSRC2:TRAP_HANDLER: 0
; COMPUTE_PGM_RSRC2:TGID_X_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Y_EN: 0
; COMPUTE_PGM_RSRC2:TGID_Z_EN: 0
; COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: 0
	.text
	.protected	_Z12updateMatrixPfS_ii  ; -- Begin function _Z12updateMatrixPfS_ii
	.globl	_Z12updateMatrixPfS_ii
	.p2align	8
	.type	_Z12updateMatrixPfS_ii,@function
_Z12updateMatrixPfS_ii:                 ; @_Z12updateMatrixPfS_ii
; %bb.0:
	s_clause 0x1
	s_load_b32 s4, s[0:1], 0x24
	s_load_b64 s[2:3], s[0:1], 0x10
	v_bfe_u32 v3, v0, 10, 10
	v_and_b32_e32 v0, 0x3ff, v0
	s_waitcnt lgkmcnt(0)
	s_lshr_b32 s5, s4, 16
	s_and_b32 s4, s4, 0xffff
	v_mad_u64_u32 v[1:2], null, s15, s5, v[3:4]
	s_add_i32 s5, s3, 1
	s_mul_i32 s14, s14, s4
	s_mov_b32 s4, exec_lo
	v_add3_u32 v0, s14, s5, v0
	s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_add_nc_u32_e32 v2, s5, v1
	v_max_i32_e32 v3, v2, v0
	s_delay_alu instid0(VALU_DEP_1)
	v_cmpx_gt_i32_e64 s2, v3
	s_cbranch_execz .LBB1_2
; %bb.1:
	s_load_b128 s[4:7], s[0:1], 0x0
	v_mad_u64_u32 v[3:4], null, s3, s2, v[0:1]
	v_mad_u64_u32 v[5:6], null, v2, s2, v[0:1]
	v_ashrrev_i32_e32 v2, 31, v1
	s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_2)
	v_ashrrev_i32_e32 v4, 31, v3
	v_lshlrev_b64 v[0:1], 2, v[1:2]
	s_delay_alu instid0(VALU_DEP_4) | instskip(NEXT) | instid1(VALU_DEP_3)
	v_ashrrev_i32_e32 v6, 31, v5
	v_lshlrev_b64 v[2:3], 2, v[3:4]
	s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_1) | instid1(VALU_DEP_4)
	v_lshlrev_b64 v[4:5], 2, v[5:6]
	s_waitcnt lgkmcnt(0)
	v_add_co_u32 v0, vcc_lo, s6, v0
	v_add_co_ci_u32_e32 v1, vcc_lo, s7, v1, vcc_lo
	s_delay_alu instid0(VALU_DEP_4)
	v_add_co_u32 v2, vcc_lo, s4, v2
	v_add_co_ci_u32_e32 v3, vcc_lo, s5, v3, vcc_lo
	v_add_co_u32 v4, vcc_lo, s4, v4
	v_add_co_ci_u32_e32 v5, vcc_lo, s5, v5, vcc_lo
	global_load_b32 v0, v[0:1], off
	s_clause 0x1
	global_load_b32 v1, v[2:3], off
	global_load_b32 v2, v[4:5], off
	s_waitcnt vmcnt(0)
	v_fma_f32 v0, -v0, v1, v2
	global_store_b32 v[4:5], v0, off
.LBB1_2:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z12updateMatrixPfS_ii
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 280
		.amdhsa_user_sgpr_count 14
		.amdhsa_user_sgpr_dispatch_ptr 0
		.amdhsa_user_sgpr_queue_ptr 0
		.amdhsa_user_sgpr_kernarg_segment_ptr 1
		.amdhsa_user_sgpr_dispatch_id 0
		.amdhsa_user_sgpr_private_segment_size 0
		.amdhsa_wavefront_size32 1
		.amdhsa_uses_dynamic_stack 0
		.amdhsa_enable_private_segment 0
		.amdhsa_system_sgpr_workgroup_id_x 1
		.amdhsa_system_sgpr_workgroup_id_y 1
		.amdhsa_system_sgpr_workgroup_id_z 0
		.amdhsa_system_sgpr_workgroup_info 0
		.amdhsa_system_vgpr_workitem_id 1
		.amdhsa_next_free_vgpr 7
		.amdhsa_next_free_sgpr 16
		.amdhsa_float_round_mode_32 0
		.amdhsa_float_round_mode_16_64 0
		.amdhsa_float_denorm_mode_32 3
		.amdhsa_float_denorm_mode_16_64 3
		.amdhsa_dx10_clamp 1
		.amdhsa_ieee_mode 1
		.amdhsa_fp16_overflow 0
		.amdhsa_workgroup_processor_mode 1
		.amdhsa_memory_ordered 1
		.amdhsa_forward_progress 0
		.amdhsa_shared_vgpr_count 0
		.amdhsa_exception_fp_ieee_invalid_op 0
		.amdhsa_exception_fp_denorm_src 0
		.amdhsa_exception_fp_ieee_div_zero 0
		.amdhsa_exception_fp_ieee_overflow 0
		.amdhsa_exception_fp_ieee_underflow 0
		.amdhsa_exception_fp_ieee_inexact 0
		.amdhsa_exception_int_div_zero 0
	.end_amdhsa_kernel
	.text
.Lfunc_end1:
	.size	_Z12updateMatrixPfS_ii, .Lfunc_end1-_Z12updateMatrixPfS_ii
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 284
; NumSgprs: 18
; NumVgprs: 7
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 7
; Occupancy: 16
; WaveLimiterHint : 0
; COMPUTE_PGM_RSRC2:SCRATCH_EN: 0
; COMPUTE_PGM_RSRC2:USER_SGPR: 14
; COMPUTE_PGM_RSRC2:TRAP_HANDLER: 0
; COMPUTE_PGM_RSRC2:TGID_X_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Y_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Z_EN: 0
; COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: 1
	.text
	.protected	_Z13storeLFactorsPfS_ii ; -- Begin function _Z13storeLFactorsPfS_ii
	.globl	_Z13storeLFactorsPfS_ii
	.p2align	8
	.type	_Z13storeLFactorsPfS_ii,@function
_Z13storeLFactorsPfS_ii:                ; @_Z13storeLFactorsPfS_ii
; %bb.0:
	s_clause 0x1
	s_load_b32 s4, s[0:1], 0x24
	s_load_b64 s[2:3], s[0:1], 0x10
	s_waitcnt lgkmcnt(0)
	s_and_b32 s4, s4, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_1) | instid1(SALU_CYCLE_1)
	v_mad_u64_u32 v[1:2], null, s15, s4, v[0:1]
	s_not_b32 s4, s3
	s_add_i32 s4, s4, s2
	s_delay_alu instid0(VALU_DEP_1) | instid1(SALU_CYCLE_1)
	v_cmp_gt_i32_e32 vcc_lo, s4, v1
	s_and_saveexec_b32 s4, vcc_lo
	s_cbranch_execz .LBB2_2
; %bb.1:
	s_load_b128 s[4:7], s[0:1], 0x0
	v_ashrrev_i32_e32 v2, 31, v1
	s_mov_b32 s0, s3
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
	v_lshlrev_b64 v[2:3], 2, v[1:2]
	s_waitcnt lgkmcnt(0)
	v_add_co_u32 v2, vcc_lo, s6, v2
	s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_2) | instid1(VALU_DEP_1)
	v_add_co_ci_u32_e32 v3, vcc_lo, s7, v3, vcc_lo
	global_load_b32 v2, v[2:3], off
	v_add3_u32 v3, s3, 1, v1
	v_mad_u64_u32 v[0:1], null, v3, s2, s[0:1]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_ashrrev_i32_e32 v1, 31, v0
	v_lshlrev_b64 v[0:1], 2, v[0:1]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_2)
	v_add_co_u32 v0, vcc_lo, s4, v0
	v_add_co_ci_u32_e32 v1, vcc_lo, s5, v1, vcc_lo
	s_waitcnt vmcnt(0)
	global_store_b32 v[0:1], v2, off
.LBB2_2:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z13storeLFactorsPfS_ii
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 280
		.amdhsa_user_sgpr_count 15
		.amdhsa_user_sgpr_dispatch_ptr 0
		.amdhsa_user_sgpr_queue_ptr 0
		.amdhsa_user_sgpr_kernarg_segment_ptr 1
		.amdhsa_user_sgpr_dispatch_id 0
		.amdhsa_user_sgpr_private_segment_size 0
		.amdhsa_wavefront_size32 1
		.amdhsa_uses_dynamic_stack 0
		.amdhsa_enable_private_segment 0
		.amdhsa_system_sgpr_workgroup_id_x 1
		.amdhsa_system_sgpr_workgroup_id_y 0
		.amdhsa_system_sgpr_workgroup_id_z 0
		.amdhsa_system_sgpr_workgroup_info 0
		.amdhsa_system_vgpr_workitem_id 0
		.amdhsa_next_free_vgpr 4
		.amdhsa_next_free_sgpr 16
		.amdhsa_float_round_mode_32 0
		.amdhsa_float_round_mode_16_64 0
		.amdhsa_float_denorm_mode_32 3
		.amdhsa_float_denorm_mode_16_64 3
		.amdhsa_dx10_clamp 1
		.amdhsa_ieee_mode 1
		.amdhsa_fp16_overflow 0
		.amdhsa_workgroup_processor_mode 1
		.amdhsa_memory_ordered 1
		.amdhsa_forward_progress 0
		.amdhsa_shared_vgpr_count 0
		.amdhsa_exception_fp_ieee_invalid_op 0
		.amdhsa_exception_fp_denorm_src 0
		.amdhsa_exception_fp_ieee_div_zero 0
		.amdhsa_exception_fp_ieee_overflow 0
		.amdhsa_exception_fp_ieee_underflow 0
		.amdhsa_exception_fp_ieee_inexact 0
		.amdhsa_exception_int_div_zero 0
	.end_amdhsa_kernel
	.text
.Lfunc_end2:
	.size	_Z13storeLFactorsPfS_ii, .Lfunc_end2-_Z13storeLFactorsPfS_ii
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 196
; NumSgprs: 18
; NumVgprs: 4
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 4
; Occupancy: 16
; WaveLimiterHint : 0
; COMPUTE_PGM_RSRC2:SCRATCH_EN: 0
; COMPUTE_PGM_RSRC2:USER_SGPR: 15
; COMPUTE_PGM_RSRC2:TRAP_HANDLER: 0
; COMPUTE_PGM_RSRC2:TGID_X_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Y_EN: 0
; COMPUTE_PGM_RSRC2:TGID_Z_EN: 0
; COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: 0
	.text
	.p2alignl 7, 3214868480
	.fill 96, 4, 3214868480
	.type	__hip_cuid_,@object             ; @__hip_cuid_
	.section	.bss,"aw",@nobits
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               ; 0x0
	.size	__hip_cuid_, 1

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym __hip_cuid_
	.amdgpu_metadata
---
amdhsa.kernels:
  - .args:
      - .address_space:  global
        .offset:         0
        .size:           8
        .value_kind:     global_buffer
      - .address_space:  global
        .offset:         8
        .size:           8
        .value_kind:     global_buffer
      - .address_space:  global
        .offset:         16
        .size:           8
        .value_kind:     global_buffer
      - .offset:         24
        .size:           4
        .value_kind:     by_value
      - .offset:         28
        .size:           4
        .value_kind:     by_value
      - .offset:         32
        .size:           4
        .value_kind:     hidden_block_count_x
      - .offset:         36
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         40
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         44
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         46
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         48
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         50
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         52
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         54
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         72
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         80
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         88
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         96
        .size:           2
        .value_kind:     hidden_grid_dims
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 288
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z17findPivotAndScalePfPiS_ii
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z17findPivotAndScalePfPiS_ii.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     8
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
  - .args:
      - .address_space:  global
        .offset:         0
        .size:           8
        .value_kind:     global_buffer
      - .address_space:  global
        .offset:         8
        .size:           8
        .value_kind:     global_buffer
      - .offset:         16
        .size:           4
        .value_kind:     by_value
      - .offset:         20
        .size:           4
        .value_kind:     by_value
      - .offset:         24
        .size:           4
        .value_kind:     hidden_block_count_x
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    .kernarg_segment_align: 8
    .kernarg_segment_size: 280
    .language:       OpenCL C
    .language_version:
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      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z12updateMatrixPfS_ii
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z12updateMatrixPfS_ii.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     7
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
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        .offset:         0
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        .value_kind:     global_buffer
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        .value_kind:     by_value
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    .symbol:         _Z13storeLFactorsPfS_ii.kd
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amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
