forked from OSchip/llvm-project
114 lines
3.5 KiB
LLVM
114 lines
3.5 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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; REQUIRES: pollyacc
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; void foo(float A[]) {
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; for (long i = 0; i < 128; i++)
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; A[i] += i;
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;
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; for (long i = 0; i < 128; i++)
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; for (long j = 0; j < 128; j++)
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; A[42] += i + j;
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; }
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; CODE: Code
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; CODE-NEXT: ====
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; CODE-NEXT: # host
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; CODE-NEXT: {
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; CODE-NEXT: cudaCheckReturn(cudaMemcpy(dev_MemRef_A, MemRef_A, (128) * sizeof(float), cudaMemcpyHostToDevice));
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; CODE-NEXT: {
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; CODE-NEXT: dim3 k0_dimBlock(32);
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; CODE-NEXT: dim3 k0_dimGrid(4);
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; CODE-NEXT: kernel0 <<<k0_dimGrid, k0_dimBlock>>> (dev_MemRef_A);
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; CODE-NEXT: cudaCheckKernel();
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; CODE-NEXT: }
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; CODE: for (int c0 = 0; c0 <= 127; c0 += 1)
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; CODE-NEXT: for (int c1 = 0; c1 <= 127; c1 += 1)
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; CODE-NEXT: {
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; CODE-NEXT: dim3 k1_dimBlock;
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; CODE-NEXT: dim3 k1_dimGrid;
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; CODE-NEXT: kernel1 <<<k1_dimGrid, k1_dimBlock>>> (dev_MemRef_A, c0, c1);
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; CODE-NEXT: cudaCheckKernel();
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; CODE-NEXT: }
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; CODE: cudaCheckReturn(cudaMemcpy(MemRef_A, dev_MemRef_A, (128) * sizeof(float), cudaMemcpyDeviceToHost));
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; CODE-NEXT: }
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; CODE: # kernel0
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; CODE-NEXT: Stmt_bb4(32 * b0 + t0);
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; CODE: # kernel1
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; CODE-NEXT: Stmt_bb14(c0, c1);
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; Verify that we identified this kernel as non-profitable.
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; IR: br i1 false, label %polly.start, label %bb3
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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) {
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bb:
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br label %bb3
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bb3: ; preds = %bb8, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp9, %bb8 ]
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%exitcond2 = icmp ne i64 %i.0, 128
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br i1 %exitcond2, label %bb4, label %bb10
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bb4: ; preds = %bb3
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%tmp = sitofp i64 %i.0 to float
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%tmp5 = getelementptr inbounds float, float* %A, i64 %i.0
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%tmp6 = load float, float* %tmp5, align 4
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%tmp7 = fadd float %tmp6, %tmp
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store float %tmp7, float* %tmp5, align 4
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br label %bb8
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bb8: ; preds = %bb4
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%tmp9 = add nuw nsw i64 %i.0, 1
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br label %bb3
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bb10: ; preds = %bb3
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br label %bb11
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bb11: ; preds = %bb23, %bb10
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%i1.0 = phi i64 [ 0, %bb10 ], [ %tmp24, %bb23 ]
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%exitcond1 = icmp ne i64 %i1.0, 128
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br i1 %exitcond1, label %bb12, label %bb25
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bb12: ; preds = %bb11
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br label %bb13
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bb13: ; preds = %bb20, %bb12
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%j.0 = phi i64 [ 0, %bb12 ], [ %tmp21, %bb20 ]
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%exitcond = icmp ne i64 %j.0, 128
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br i1 %exitcond, label %bb14, label %bb22
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bb14: ; preds = %bb13
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%tmp15 = add nuw nsw i64 %i1.0, %j.0
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%tmp16 = sitofp i64 %tmp15 to float
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%tmp17 = getelementptr inbounds float, float* %A, i64 42
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%tmp18 = load float, float* %tmp17, align 4
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%tmp19 = fadd float %tmp18, %tmp16
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store float %tmp19, float* %tmp17, align 4
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br label %bb20
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bb20: ; preds = %bb14
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%tmp21 = add nuw nsw i64 %j.0, 1
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br label %bb13
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bb22: ; preds = %bb13
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br label %bb23
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bb23: ; preds = %bb22
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%tmp24 = add nuw nsw i64 %i1.0, 1
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br label %bb11
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bb25: ; preds = %bb11
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ret void
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}
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