forked from OSchip/llvm-project
120 lines
3.8 KiB
LLVM
120 lines
3.8 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-code \
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; RUN: -disable-output < %s | \
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; RUN: FileCheck -check-prefix=CODE %s
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; RUN: opt %loadPolly -polly-codegen-ppcg -S < %s | \
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; RUN: FileCheck %s -check-prefix=IR
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;
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; REQUIRES: pollyacc
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; CODE: cudaCheckReturn(cudaMemcpy(dev_MemRef_B, MemRef_B, (16) * sizeof(float), cudaMemcpyHostToDevice));
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; CODE-NEXT: cudaCheckReturn(cudaMemcpy(dev_MemRef_A, MemRef_A, (8) * sizeof(float), cudaMemcpyHostToDevice));
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; CODE: dim3 k0_dimBlock(8);
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; CODE-NEXT: dim3 k0_dimGrid(1);
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; CODE-NEXT: kernel0 <<<k0_dimGrid, k0_dimBlock>>> (dev_MemRef_B);
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; CODE-NEXT: cudaCheckKernel();
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; CODE-NEXT: }
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; CODE: {
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; CODE-NEXT: dim3 k1_dimBlock(8);
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; CODE-NEXT: dim3 k1_dimGrid(1);
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; CODE-NEXT: kernel1 <<<k1_dimGrid, k1_dimBlock>>> (dev_MemRef_A);
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; CODE-NEXT: cudaCheckKernel();
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; CODE-NEXT: }
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; CODE: cudaCheckReturn(cudaMemcpy(MemRef_B, dev_MemRef_B, (16) * sizeof(float), cudaMemcpyDeviceToHost));
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; CODE-NEXT: cudaCheckReturn(cudaMemcpy(MemRef_A, dev_MemRef_A, (8) * sizeof(float), cudaMemcpyDeviceToHost));
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; CODE: # kernel0
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; CODE-NEXT: Stmt_bb3(t0);
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; CODE: # kernel1
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; CODE-NEXT: Stmt_bb11(t0);
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; IR: %p_dev_array_MemRef_B = call i8* @polly_allocateMemoryForDevice(i64 32)
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; IR-NEXT: %p_dev_array_MemRef_A = call i8* @polly_allocateMemoryForDevice(i64 32)
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; IR-NEXT: [[REG0:%.+]] = getelementptr float, float* %B, i64 8
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; IR-NEXT: [[REG1:%.+]] = bitcast float* [[REG0]] to i8*
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; IR-NEXT: call void @polly_copyFromHostToDevice(i8* [[REG1]], i8* %p_dev_array_MemRef_B, i64 32)
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; IR: [[REGA:%.+]] = call i8* @polly_getDevicePtr(i8* %p_dev_array_MemRef_B)
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; IR-NEXT: [[REGB:%.+]] = bitcast i8* [[REGA]] to float*
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; IR-NEXT: [[REGC:%.+]] = getelementptr float, float* [[REGB]], i64 -8
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; IR-NEXT: [[REGD:%.+]] = bitcast float* [[REGC]] to i8*
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; void foo(float A[], float B[]) {
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; for (long i = 0; i < 8; i++)
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; B[i + 8] *= 4;
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;
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; for (long i = 0; i < 8; i++)
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; A[i] *= 12;
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; }
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;
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; #ifdef OUTPUT
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; int main() {
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; float A[16];
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;
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; for (long i = 0; i < 16; i++) {
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; __sync_synchronize();
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; A[i] = i;
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; }
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;
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; foo(A, A);
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;
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; float sum = 0;
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; for (long i = 0; i < 16; i++) {
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; __sync_synchronize();
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; sum += A[i];
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; }
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;
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; printf("%f\n", sum);
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; }
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; #endif
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @foo(float* %A, float* %B) {
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bb:
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br label %bb2
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bb2: ; preds = %bb7, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp8, %bb7 ]
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%exitcond1 = icmp ne i64 %i.0, 8
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br i1 %exitcond1, label %bb3, label %bb9
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bb3: ; preds = %bb2
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%tmp = add nuw nsw i64 %i.0, 8
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%tmp4 = getelementptr inbounds float, float* %B, i64 %tmp
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%tmp5 = load float, float* %tmp4, align 4
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%tmp6 = fmul float %tmp5, 4.000000e+00
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store float %tmp6, float* %tmp4, align 4
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br label %bb7
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bb7: ; preds = %bb3
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%tmp8 = add nuw nsw i64 %i.0, 1
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br label %bb2
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bb9: ; preds = %bb2
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br label %bb10
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bb10: ; preds = %bb15, %bb9
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%i1.0 = phi i64 [ 0, %bb9 ], [ %tmp16, %bb15 ]
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%exitcond = icmp ne i64 %i1.0, 8
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br i1 %exitcond, label %bb11, label %bb17
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bb11: ; preds = %bb10
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%tmp12 = getelementptr inbounds float, float* %A, i64 %i1.0
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%tmp13 = load float, float* %tmp12, align 4
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%tmp14 = fmul float %tmp13, 1.200000e+01
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store float %tmp14, float* %tmp12, align 4
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br label %bb15
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bb15: ; preds = %bb11
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%tmp16 = add nuw nsw i64 %i1.0, 1
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br label %bb10
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bb17: ; preds = %bb10
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ret void
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}
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