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