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; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.14.0"
; CHECK-LABEL: define {{.*}}@fun
; CHECK: call {{.*}}@fun.cold.1(
define void @fun() {
entry:
br i1 undef, label %if.then, label %if.else
if.then:
; This will be marked by the inverse DFS on sink-predecesors.
br label %sink
sink:
call void @sink()
; Do not allow the forward-DFS on sink-successors to mark the block again.
br i1 undef, label %if.then, label %if.then.exit
if.then.exit:
ret void
if.else:
ret void
}
declare void @sink() cold
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