1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
2; RUN: opt -passes=hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s
3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-apple-macosx10.14.0"
5
6@G = external dso_local global i32, align 4
7
8define void @foo(i32) {
9  %2 = icmp eq i32 %0, 0
10  tail call void @_Z10sideeffectv()
11  br i1 %2, label %sink, label %exit
12
13sink:
14  tail call void @_Z10sideeffectv()
15  call void @llvm.trap()
16  unreachable
17
18exit:
19  ret void
20}
21
22define void @bar(i32) {
23  %2 = icmp eq i32 %0, 0
24  tail call void @_Z10sideeffectv()
25  br i1 %2, label %sink, label %exit
26
27sink:
28  tail call void @_Z10sideeffectv()
29  call void @llvm.trap()
30  unreachable
31
32exit:
33  ret void
34}
35
36declare void @llvm.trap() noreturn cold memory(inaccessiblemem: write)
37declare void @_Z10sideeffectv()
38; CHECK-LABEL: @foo(
39; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP0:%.*]], 0
40; CHECK-NEXT:    tail call void @_Z10sideeffectv()
41; CHECK-NEXT:    br i1 [[TMP2]], label [[CODEREPL:%.*]], label [[EXIT:%.*]]
42; CHECK:       codeRepl:
43; CHECK-NEXT:    call void @foo.cold.1() #[[ATTR2:[0-9]+]]
44; CHECK-NEXT:    unreachable
45; CHECK:       exit:
46; CHECK-NEXT:    ret void
47;
48;
49; CHECK-LABEL: @bar(
50; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP0:%.*]], 0
51; CHECK-NEXT:    tail call void @_Z10sideeffectv()
52; CHECK-NEXT:    br i1 [[TMP2]], label [[CODEREPL:%.*]], label [[EXIT:%.*]]
53; CHECK:       codeRepl:
54; CHECK-NEXT:    call void @bar.cold.1() #[[ATTR2]]
55; CHECK-NEXT:    unreachable
56; CHECK:       exit:
57; CHECK-NEXT:    ret void
58;
59;
60; CHECK-LABEL: @foo.cold.1(
61; CHECK-NEXT:  newFuncRoot:
62; CHECK-NEXT:    br label [[SINK:%.*]]
63; CHECK:       sink:
64; CHECK-NEXT:    tail call void @_Z10sideeffectv()
65; CHECK-NEXT:    call void @llvm.trap()
66; CHECK-NEXT:    unreachable
67;
68;
69; CHECK-LABEL: @bar.cold.1(
70; CHECK-NEXT:  newFuncRoot:
71; CHECK-NEXT:    br label [[SINK:%.*]]
72; CHECK:       sink:
73; CHECK-NEXT:    tail call void @_Z10sideeffectv()
74; CHECK-NEXT:    call void @llvm.trap()
75; CHECK-NEXT:    unreachable
76;
77