| ; RUN: opt -passes=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 |
