forked from OSchip/llvm-project
47 lines
1.4 KiB
LLVM
47 lines
1.4 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-function-scops -analyze < %s | FileCheck %s
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;
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; CHECK: Invalid Context:
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; CHECK: [N] -> { : N >= 129 }
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;
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; #include <stdlib.h>
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; #include <stdio.h>
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;
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; void __attribute__((noinline)) foo(float *A, long N) {
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; for (long i = 0; i < N; i++)
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; if ((signed char)i < 100)
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; A[i] += i;
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; }
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define void @foo(float* %A, i64 %N) {
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bb:
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br label %bb1
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bb1: ; preds = %bb11, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp12, %bb11 ]
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%tmp = icmp slt i64 %i.0, %N
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br i1 %tmp, label %bb2, label %bb13
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bb2: ; preds = %bb1
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%tmp3 = trunc i64 %i.0 to i8
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%tmp4 = icmp slt i8 %tmp3, 100
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br i1 %tmp4, label %bb5, label %bb10
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bb5: ; preds = %bb2
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%tmp6 = sitofp i64 %i.0 to float
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%tmp7 = getelementptr inbounds float, float* %A, i64 %i.0
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%tmp8 = load float, float* %tmp7, align 4
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%tmp9 = fadd float %tmp8, %tmp6
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store float %tmp9, float* %tmp7, align 4
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br label %bb10
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bb10: ; preds = %bb5, %bb2
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br label %bb11
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bb11: ; preds = %bb10
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%tmp12 = add nuw nsw i64 %i.0, 1
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br label %bb1
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bb13: ; preds = %bb1
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ret void
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}
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