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| ; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %s | FileCheck %s
; Source:
;
; extern void sideeffect(int);
; extern void __attribute__((cold)) sink();
; void foo(int cond) {
; if (cond) { //< Start outlining here.
; if (cond > 10)
; sideeffect(0);
; else
; sideeffect(1);
; sink();
; }
; sideeffect(2);
; }
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 {{.*}}@foo(
; CHECK: br i1 {{.*}}, label %codeRepl, label %if.end2
; CHECK-LABEL: codeRepl:
; CHECK-NEXT: call void @foo.cold.1
; CHECK-LABEL: if.end2:
; CHECK: call void @sideeffect(i32 2)
define void @foo(i32 %cond) {
entry:
%cond.addr = alloca i32
store i32 %cond, i32* %cond.addr
%0 = load i32, i32* %cond.addr
%tobool = icmp ne i32 %0, 0
br i1 %tobool, label %if.then, label %if.end2
if.then: ; preds = %entry
%1 = load i32, i32* %cond.addr
%cmp = icmp sgt i32 %1, 10
br i1 %cmp, label %if.then1, label %if.else
if.then1: ; preds = %if.then
call void @sideeffect(i32 0)
br label %if.end
if.else: ; preds = %if.then
call void @sideeffect(i32 1)
br label %if.end
if.end: ; preds = %if.else, %if.then1
call void (...) @sink()
ret void
if.end2: ; preds = %entry
call void @sideeffect(i32 2)
ret void
}
; CHECK-LABEL: define {{.*}}@foo.cold.1
; CHECK: call {{.*}}@sideeffect
; CHECK: call {{.*}}@sideeffect
; CHECK: call {{.*}}@sink
declare void @sideeffect(i32)
declare void @sink(...) cold
|