1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --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;.
39; CHECK: @G = external dso_local global i32, align 4
40;.
41; CHECK-LABEL: @foo(
42; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP0:%.*]], 0
43; CHECK-NEXT:    tail call void @_Z10sideeffectv()
44; CHECK-NEXT:    br i1 [[TMP2]], label [[CODEREPL:%.*]], label [[EXIT:%.*]]
45; CHECK:       codeRepl:
46; CHECK-NEXT:    call void @foo.cold.1() #[[ATTR2:[0-9]+]]
47; CHECK-NEXT:    unreachable
48; CHECK:       exit:
49; CHECK-NEXT:    ret void
50;
51;
52; CHECK-LABEL: @bar(
53; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP0:%.*]], 0
54; CHECK-NEXT:    tail call void @_Z10sideeffectv()
55; CHECK-NEXT:    br i1 [[TMP2]], label [[CODEREPL:%.*]], label [[EXIT:%.*]]
56; CHECK:       codeRepl:
57; CHECK-NEXT:    call void @bar.cold.1() #[[ATTR2]]
58; CHECK-NEXT:    unreachable
59; CHECK:       exit:
60; CHECK-NEXT:    ret void
61;
62;
63; CHECK-LABEL: @foo.cold.1(
64; CHECK-NEXT:  newFuncRoot:
65; CHECK-NEXT:    br label [[SINK:%.*]]
66; CHECK:       sink:
67; CHECK-NEXT:    tail call void @_Z10sideeffectv()
68; CHECK-NEXT:    call void @llvm.trap()
69; CHECK-NEXT:    unreachable
70;
71;
72; CHECK-LABEL: @bar.cold.1(
73; CHECK-NEXT:  newFuncRoot:
74; CHECK-NEXT:    br label [[SINK:%.*]]
75; CHECK:       sink:
76; CHECK-NEXT:    tail call void @_Z10sideeffectv()
77; CHECK-NEXT:    call void @llvm.trap()
78; CHECK-NEXT:    unreachable
79;
80;.
81; CHECK: attributes #[[ATTR0:[0-9]+]] = { cold noreturn nounwind memory(inaccessiblemem: write) }
82; CHECK: attributes #[[ATTR1:[0-9]+]] = { cold minsize noreturn }
83; CHECK: attributes #[[ATTR2]] = { noinline }
84;.
85