xref: /llvm-project/llvm/test/Transforms/HotColdSplit/outline-outer-region.ll (revision a51f4afc5aec8145091fead1d68c81e7d210fc0d)
1; RUN: opt -S -passes=hotcoldsplit -hotcoldsplit-threshold=2 < %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, i32 %s0, i32 %s1) {
7; CHECK-LABEL: define {{.*}}@foo(
8; CHECK:       br i1 {{.*}}, label %codeRepl, label %if.end2
9; CHECK-LABEL: codeRepl:
10; CHECK-NEXT: call void @foo.cold.1
11; CHECK-LABEL: if.end2:
12; CHECK: call void @sideeffect
13;
14entry:
15  %cond.addr = alloca i32
16  store i32 %cond, ptr %cond.addr
17  %0 = load i32, ptr %cond.addr
18  %tobool = icmp ne i32 %0, 0
19  br i1 %tobool, label %if.then, label %if.end2
20
21if.then:                                          ; preds = %entry
22  %1 = load i32, ptr %cond.addr
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 0)
28  br label %if.end
29
30if.else:                                          ; preds = %if.then
31  call void @sink(i32 %s0)
32  call void @sideeffect(i32 1)
33  br label %if.end
34
35if.end:                                           ; preds = %if.else, %if.then1
36  call void @sink(i32 %0)
37  ret void
38
39if.end2:                                          ; preds = %entry
40  call void @sideeffect(i32 %s1)
41  ret void
42}
43
44; CHECK-LABEL: define {{.*}}@foo.cold.1
45; CHECK: call {{.*}}@sink
46; CHECK: call {{.*}}@sideeffect
47; CHECK: call {{.*}}@sideeffect
48; CHECK: call {{.*}}@sink
49
50declare void @sideeffect(i32)
51
52declare void @sink(i32) cold
53