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 --check-prefix=REUSE
3; RUN: opt -passes=hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s --check-prefix=REUSE
4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-apple-macosx10.14.0"
6
7@G = external dso_local global i32, align 4
8
9;.
10; REUSE: @G = external dso_local global i32, align 4
11;.
12define void @foo(i32) {
13; REUSE-LABEL: @foo(
14; REUSE-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP0:%.*]], 0
15; REUSE-NEXT:    tail call void @_Z10sideeffectv()
16; REUSE-NEXT:    br i1 [[TMP2]], label [[CODEREPL:%.*]], label [[EXIT:%.*]]
17; REUSE:       codeRepl:
18; REUSE-NEXT:    call void @foo.cold.1() #[[ATTR2:[0-9]+]]
19; REUSE-NEXT:    unreachable
20; REUSE:       exit:
21; REUSE-NEXT:    ret void
22;
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
36define void @bar(i32) {
37; REUSE-LABEL: @bar(
38; REUSE-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP0:%.*]], 0
39; REUSE-NEXT:    tail call void @_Z10sideeffectv()
40; REUSE-NEXT:    br i1 [[TMP2]], label [[CODEREPL:%.*]], label [[EXIT:%.*]]
41; REUSE:       codeRepl:
42; REUSE-NEXT:    call void @bar.cold.1() #[[ATTR2]]
43; REUSE-NEXT:    unreachable
44; REUSE:       exit:
45; REUSE-NEXT:    ret void
46;
47  %2 = icmp eq i32 %0, 0
48  tail call void @_Z10sideeffectv()
49  br i1 %2, label %sink, label %exit
50
51sink:
52  tail call void @_Z10sideeffectv()
53  call void @llvm.trap()
54  unreachable
55
56exit:
57  ret void
58}
59
60declare void @llvm.trap() noreturn cold memory(inaccessiblemem: write)
61declare void @_Z10sideeffectv()
62;.
63; REUSE: attributes #[[ATTR0:[0-9]+]] = { cold noreturn nounwind memory(inaccessiblemem: write) }
64; REUSE: attributes #[[ATTR1:[0-9]+]] = { cold minsize noreturn }
65; REUSE: attributes #[[ATTR2]] = { noinline }
66;.
67