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Clone printf and fprintf calls #1147

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merged 2 commits into from
Nov 22, 2024
Merged

Clone printf and fprintf calls #1147

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0e87928
Clone printf and fprintf calls
kchristin22 Nov 20, 2024
1ef0d23
Add FIXME and print loop index
kchristin22 Nov 22, 2024
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3 changes: 3 additions & 0 deletions lib/Differentiator/ReverseModeVisitor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1456,6 +1456,9 @@ Expr* getArraySizeExpr(const ArrayType* AT, ASTContext& context,
return StmtDiff(Clone(CE));
}

if (FD->getNameAsString() == "printf" || FD->getNameAsString() == "fprintf")
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return StmtDiff(Clone(CE));

Expr* CUDAExecConfig = nullptr;
if (const auto* KCE = dyn_cast<CUDAKernelCallExpr>(CE))
CUDAExecConfig = Clone(KCE->getConfig());
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2 changes: 2 additions & 0 deletions test/CUDA/GradientKernels.cu
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Expand Up @@ -504,6 +504,7 @@ double fn_memory(double *out, double *in) {
//CHECK-NEXT:}

void launch_add_kernel_4(int *out, int *in, const int N) {
printf("Launching add_kernel_4 for size: %d\n", N);
int *in_dev = nullptr;
cudaMalloc(&in_dev, N * sizeof(int));
cudaMemcpy(in_dev, in, N * sizeof(int), cudaMemcpyHostToDevice);
Expand All @@ -520,6 +521,7 @@ void launch_add_kernel_4(int *out, int *in, const int N) {

// CHECK: void launch_add_kernel_4_grad_0_1(int *out, int *in, const int N, int *_d_out, int *_d_in) {
//CHECK-NEXT: int _d_N = 0;
//CHECK-NEXT: printf("Launching add_kernel_4 for size: %d\n", N);
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//CHECK-NEXT: int *_d_in_dev = nullptr;
//CHECK-NEXT: int *in_dev = nullptr;
//CHECK-NEXT: cudaMalloc(&_d_in_dev, N * sizeof(int));
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