xref: /llvm-project/llvm/test/Transforms/HotColdSplit/outline-inner-region.ll (revision a51f4afc5aec8145091fead1d68c81e7d210fc0d)
1; RUN: opt -S -passes=hotcoldsplit -hotcoldsplit-max-params=1 < %s | FileCheck %s
2
3target datalayout = "E-m:a-p:32:32-i64:64-n32"
4target triple = "powerpc64-ibm-aix7.2.0.0"
5
6define void @foo(i32 %cond) {
7; CHECK-LABEL: define {{.*}}@foo(
8; CHECK:       if.then:
9; CHECK:       br i1 {{.*}}, label %if.then1, label %codeRepl
10; CHECK-LABEL: codeRepl:
11; CHECK-NEXT:  call void @foo.cold.1
12;
13entry:
14  %cond.addr = alloca i32
15  store i32 %cond, ptr %cond.addr
16  %0 = load i32, ptr %cond.addr
17  %tobool = icmp ne i32 %0, 0
18  br i1 %tobool, label %if.then, label %if.end2
19
20if.then:                                          ; preds = %entry
21  %1 = load i32, ptr %cond.addr
22  call void @sink(i32 %0)
23  %cmp = icmp sgt i32 %1, 10
24  br i1 %cmp, label %if.then1, label %if.else
25
26if.then1:                                         ; preds = %if.then
27  call void @sideeffect(i32 2)
28  br label %if.end
29
30if.else:                                          ; preds = %if.then
31  call void @sink(i32 0)
32  call void @sideeffect(i32 0)
33  br label %if.end
34
35if.end:                                           ; preds = %if.else, %if.then1
36  br label %if.end2
37
38if.end2:                                          ; preds = %entry
39  call void @sideeffect(i32 1)
40  ret void
41}
42
43; CHECK-LABEL: define {{.*}}@foo.cold.1
44; CHECK:       call {{.*}}@sink
45; CHECK-NEXT:  call {{.*}}@sideeffect
46
47declare void @sideeffect(i32)
48
49declare void @sink(i32) cold
50