forked from OSchip/llvm-project
60 lines
2.4 KiB
LLVM
60 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly -polly-ast -analyze -disable-basic-aa < %s | FileCheck %s --check-prefix=NOAA
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; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s --check-prefix=BASI
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; RUN: opt %loadPolly -polly-ast -analyze -disable-basic-aa -tbaa < %s | FileCheck %s --check-prefix=TBAA
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; RUN: opt %loadPolly -polly-ast -analyze -disable-basic-aa -scev-aa < %s | FileCheck %s --check-prefix=SCEV
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; RUN: opt %loadPolly -polly-ast -analyze -disable-basic-aa -globals-aa < %s | FileCheck %s --check-prefix=GLOB
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;
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; int A[1024];
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; float B[1024];
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;
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; void jd(int N) {
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; for (int i = 0; i < N; i++)
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; A[i] = B[i];
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; }
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;
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; NOAA: if (1 && 0 == N <= 0 && (&MemRef_B[N] <= &MemRef_A[0] || &MemRef_A[N] <= &MemRef_B[0]))
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; BASI: if (1 && 0 == N <= 0)
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; TBAA: if (1 && 0 == N <= 0)
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; SCEV: if (1 && 0 == N <= 0 && (&MemRef_B[N] <= &MemRef_A[0] || &MemRef_A[N] <= &MemRef_B[0]))
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; GLOB: if (1 && 0 == N <= 0 && (&MemRef_B[N] <= &MemRef_A[0] || &MemRef_A[N] <= &MemRef_B[0]))
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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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@A = common global [1024 x i32] zeroinitializer, align 16
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@B = common global [1024 x float] zeroinitializer, align 16
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define void @jd(i32 %N) {
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entry:
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%cmp6 = icmp sgt i32 %N, 0
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br i1 %cmp6, label %for.body.preheader, label %for.end
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @B, i64 0, i64 %indvars.iv
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%tmp = load float, float* %arrayidx, align 4, !tbaa !1
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%conv = fptosi float %tmp to i32
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%arrayidx2 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv
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store i32 %conv, i32* %arrayidx2, align 4, !tbaa !5
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%lftr.wideiv1 = trunc i64 %indvars.iv.next to i32
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%exitcond2 = icmp eq i32 %lftr.wideiv1, %N
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br i1 %exitcond2, label %for.end.loopexit, label %for.body
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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
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ret void
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}
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!0 = !{!""}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"float", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"int", !3, i64 0}
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