forked from OSchip/llvm-project
25 lines
655 B
LLVM
25 lines
655 B
LLVM
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; Make sure GVN doesn't incorrectly think the branch terminating
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; bb2 has a constant condition.
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; RUN: opt -S -newgvn %s | FileCheck %s
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@a = common global i32 0
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@patatino = private unnamed_addr constant [3 x i8] c"0\0A\00"
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define void @tinkywinky() {
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bb:
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%tmp = load i32, i32* @a
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%tmp1 = icmp sge i32 %tmp, 0
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br i1 %tmp1, label %bb2, label %bb7
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bb2:
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%tmp4 = icmp sgt i32 %tmp, 0
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; CHECK: br i1 %tmp4, label %bb5, label %bb7
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br i1 %tmp4, label %bb5, label %bb7
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bb5:
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%tmp6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @patatino, i32 0, i32 0))
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br label %bb7
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bb7:
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ret void
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}
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declare i32 @printf(i8*, ...)
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