forked from OSchip/llvm-project
43 lines
1.3 KiB
LLVM
43 lines
1.3 KiB
LLVM
; RUN: opt %loadPolly -polly-allow-nonaffine-branches -polly-detect -analyze < %s | FileCheck %s
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;
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; void f(int *A) {
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; for (int i = 0; i < 1024; i++)
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; if (A[i])
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; A[i] = 0;
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; }
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;
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; CHECK: Valid Region for Scop: bb1 => bb9
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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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define void @f(i32* %A) {
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bb:
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br label %bb1
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bb1: ; preds = %bb8, %bb
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%indvars.iv = phi i64 [ %indvars.iv.next, %bb8 ], [ 0, %bb ]
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%exitcond = icmp ne i64 %indvars.iv, 1024
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br i1 %exitcond, label %bb2, label %bb9
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bb2: ; preds = %bb1
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%tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp3 = load i32, i32* %tmp, align 4
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%tmp4 = icmp eq i32 %tmp3, 0
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br i1 %tmp4, label %bb7, label %bb5
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bb5: ; preds = %bb2
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%tmp6 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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store i32 0, i32* %tmp6, align 4
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br label %bb7
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bb7: ; preds = %bb2, %bb5
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br label %bb8
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bb8: ; preds = %bb7
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %bb1
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bb9: ; preds = %bb1
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ret void
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}
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