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9f1da8432d
SimplifyTerminatorOnSelect didn't consider the possibility that the condition might be related to one of PHI nodes. This fixes PR25267. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250922 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
445 B
LLVM
25 lines
445 B
LLVM
; RUN: opt < %s -simplifycfg -S | FileCheck %s
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define void @f() {
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entry:
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br label %for.cond
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for.cond:
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%phi = phi i1 [ false, %entry ], [ true, %for.body ]
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%select = select i1 %phi, i32 1, i32 2
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br label %for.body
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for.body:
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switch i32 %select, label %for.cond [
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i32 1, label %return
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i32 2, label %for.body
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]
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return:
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ret void
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}
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; CHECK-LABEL: define void @f(
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; CHECK: br label %[[LABEL:.*]]
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; CHECK: br label %[[LABEL]]
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