1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
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
8;.
9; CHECK: @G = external dso_local global i32, align 4
10;.
11define void @foo(i32) {
12; CHECK-LABEL: @foo(
13; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP0:%.*]], 0
14; CHECK-NEXT:    tail call void @_Z10sideeffectv()
15; CHECK-NEXT:    br i1 [[TMP2]], label [[CODEREPL:%.*]], label [[EXIT:%.*]]
16; CHECK:       codeRepl:
17; CHECK-NEXT:    call void @foo.cold.1() #[[ATTR2:[0-9]+]]
18; CHECK-NEXT:    unreachable
19; CHECK:       exit:
20; CHECK-NEXT:    ret void
21;
22  %2 = icmp eq i32 %0, 0
23  tail call void @_Z10sideeffectv()
24  br i1 %2, label %sink, label %exit
25
26sink:
27  tail call void @_Z10sideeffectv()
28  call void @llvm.trap()
29  unreachable
30
31exit:
32  ret void
33}
34
35define void @bar(i32) {
36; CHECK-LABEL: @bar(
37; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP0:%.*]], 0
38; CHECK-NEXT:    tail call void @_Z10sideeffectv()
39; CHECK-NEXT:    br i1 [[TMP2]], label [[CODEREPL:%.*]], label [[EXIT:%.*]]
40; CHECK:       codeRepl:
41; CHECK-NEXT:    call void @bar.cold.1() #[[ATTR2]]
42; CHECK-NEXT:    unreachable
43; CHECK:       exit:
44; CHECK-NEXT:    ret void
45;
46  %2 = icmp eq i32 %0, 0
47  tail call void @_Z10sideeffectv()
48  br i1 %2, label %sink, label %exit
49
50sink:
51  tail call void @_Z10sideeffectv()
52  call void @llvm.trap()
53  unreachable
54
55exit:
56  ret void
57}
58
59declare void @llvm.trap() noreturn cold memory(inaccessiblemem: write)
60declare void @_Z10sideeffectv()
61;.
62; CHECK: attributes #[[ATTR0:[0-9]+]] = { cold noreturn nounwind memory(inaccessiblemem: write) }
63; CHECK: attributes #[[ATTR1:[0-9]+]] = { cold minsize noreturn }
64; CHECK: attributes #[[ATTR2]] = { noinline }
65;.
66