forked from OSchip/llvm-project
40 lines
1.1 KiB
LLVM
40 lines
1.1 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; void f(char *A, char N, char p) {
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; for (char i = 0; i < N; i++)
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; A[p-1] = 0;
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; }
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; CHECK: Function: wrap
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;
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; CHECK: Context:
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; CHECK-NEXT: [N, p] -> { : -128 <= N <= 127 and -128 <= p <= 127 }
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;
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; CHECK: Invalid Context:
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; CHECK-NEXT: [N, p] -> { : p = -128 and N > 0 }
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target datalayout = "e-m:e-i8:64-f80:128-n8:16:32:64-S128"
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define void @wrap(i8* %A, i8 %N, i8 %p) {
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bb:
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br label %bb2
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bb2: ; preds = %bb7, %bb
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%indvars.iv = phi i8 [ %indvars.iv.next, %bb7 ], [ 0, %bb ]
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%tmp3 = icmp slt i8 %indvars.iv, %N
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br i1 %tmp3, label %bb4, label %bb8
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bb4: ; preds = %bb2
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%tmp5 = add i8 %p, -1
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%tmp6 = getelementptr i8, i8* %A, i8 %tmp5
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store i8 0, i8* %tmp6, align 4
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br label %bb7
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bb7: ; preds = %bb4
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%indvars.iv.next = add nuw nsw i8 %indvars.iv, 1
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br label %bb2
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bb8: ; preds = %bb2
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ret void
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}
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