forked from OSchip/llvm-project
38 lines
1.1 KiB
LLVM
38 lines
1.1 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -analyze < %s | FileCheck %s
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;
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; void f(int *A, int N, int p) {
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; for (int i = 0; i < N; i++)
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; A[i + p] = 0;
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; }
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;
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; Note: 2147483648 == 2 ^ 31
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;
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; CHECK: Function: wrap
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; CHECK: Boundary Context:
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; CHECK: [N, p] -> { : p <= 2147483648 - N }
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;
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target datalayout = "e-m:e-i32:64-f80:128-n8:16:32:64-S128"
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define void @wrap(i32* %A, i32 %N, i32 %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 i32 [ %indvars.iv.next, %bb7 ], [ 0, %bb ]
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%tmp3 = icmp slt i32 %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 i32 %indvars.iv, %p
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%tmp6 = getelementptr inbounds i32, i32* %A, i32 %tmp5
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store i32 0, i32* %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 i32 %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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