forked from OSchip/llvm-project
45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-detect -analyze < %s | FileCheck %s
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;
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; Verify polly skips this function
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;
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; CHECK-NOT: Valid Region for Scop
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;
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; void polly_skip_me(int *A, int N) {
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; for (int i = 0; i < N; i++)
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; A[i] = A[i] * A[i] + A[i];
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; }
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;
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
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define void @polly_skip_me(i32* %A, i32 %N) #0 {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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%cmp1 = icmp sgt i32 %N, 0
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br i1 %cmp1, label %for.body.preheader, label %for.end
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for.body.preheader: ; preds = %entry.split
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.02 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.02
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%tmp = load i32, i32* %arrayidx, align 4
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%mul = mul nsw i32 %tmp, %tmp
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%add = add nsw i32 %mul, %tmp
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%arrayidx3 = getelementptr inbounds i32, i32* %A, i32 %i.02
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store i32 %add, i32* %arrayidx3, align 4
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%inc = add nsw i32 %i.02, 1
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%cmp = icmp slt i32 %inc, %N
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br i1 %cmp, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry.split
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ret void
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}
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attributes #0 = { "polly.skip.fn" }
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