forked from OSchip/llvm-project
76 lines
2.3 KiB
LLVM
76 lines
2.3 KiB
LLVM
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; RUN: opt %loadPolly -polly-detect-unprofitable=false \
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; RUN: -polly-code-generator=isl \
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; RUN: -polly-detect -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-detect-unprofitable=true \
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; RUN: -polly-code-generator=isl \
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; RUN: -polly-detect -analyze < %s | FileCheck %s
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; CHECK: Valid Region for Scop:
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; void foo(float *A, float *B, long N) {
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; if (N > 100)
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; for (long i = 0; i < 100; i++)
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; A[i] += i;
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; else
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; for (long i = 0; i < 100; i++)
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; B[i] += i;
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; }
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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, i64 %N) {
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bb:
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%tmp = icmp sgt i64 %N, 100
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br i1 %tmp, label %bb2, label %bb12
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bb2: ; preds = %bb
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br label %bb3
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bb3: ; preds = %bb9, %bb2
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%i.0 = phi i64 [ 0, %bb2 ], [ %tmp10, %bb9 ]
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%exitcond = icmp ne i64 %i.0, 100
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br i1 %exitcond, label %bb4, label %bb11
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bb4: ; preds = %bb3
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%tmp5 = sitofp i64 %i.0 to float
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%tmp6 = getelementptr inbounds float, float* %A, i64 %i.0
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%tmp7 = load float, float* %tmp6, align 4
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%tmp8 = fadd float %tmp7, %tmp5
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store float %tmp8, float* %tmp6, align 4
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br label %bb9
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bb9: ; preds = %bb4
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%tmp10 = add nsw i64 %i.0, 1
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br label %bb3
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bb11: ; preds = %bb3
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br label %bb22
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bb12: ; preds = %bb
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br label %bb13
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bb13: ; preds = %bb19, %bb12
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%i1.0 = phi i64 [ 0, %bb12 ], [ %tmp20, %bb19 ]
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%exitcond1 = icmp ne i64 %i1.0, 100
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br i1 %exitcond1, label %bb14, label %bb21
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bb14: ; preds = %bb13
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%tmp15 = sitofp i64 %i1.0 to float
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%tmp16 = getelementptr inbounds float, float* %B, i64 %i1.0
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%tmp17 = load float, float* %tmp16, align 4
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%tmp18 = fadd float %tmp17, %tmp15
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store float %tmp18, float* %tmp16, align 4
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br label %bb19
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bb19: ; preds = %bb14
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%tmp20 = add nsw i64 %i1.0, 1
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br label %bb13
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bb21: ; preds = %bb13
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br label %bb22
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bb22: ; preds = %bb21, %bb11
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ret void
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}
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