xref: /llvm-project/llvm/test/Transforms/MergeFunc/no-merge-debug-thunks.ll (revision 094572701dce4aaf36f4521d6cf750420d39f206)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2;; Make sure debug instructions are not counted when deciding to merge functions
3; RUN: opt -S -passes=mergefunc < %s | FileCheck %s
4
5target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
6
7; Function Attrs: nounwind readnone
8define hidden i32 @f(i32 %t) {
9; CHECK-LABEL: define hidden i32 @f
10; CHECK-SAME: (i32 [[T:%.*]]) {
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:      #dbg_value(i32 [[T]], [[META6:![0-9]+]], !DIExpression(), [[META12:![0-9]+]])
13; CHECK-NEXT:      #dbg_value(i32 [[T]], [[META6]], !DIExpression(), [[META12]])
14; CHECK-NEXT:    ret i32 0
15;
16entry:
17  call void @llvm.dbg.value(metadata i32 %t, metadata !12, metadata !DIExpression()), !dbg !13
18  call void @llvm.dbg.value(metadata i32 %t, metadata !12, metadata !DIExpression()), !dbg !13
19  ret i32 0
20}
21
22; Function Attrs: nounwind readnone
23define hidden i32 @f_thunk(i32 %t) {
24; CHECK-LABEL: define hidden i32 @f_thunk
25; CHECK-SAME: (i32 [[T:%.*]]) {
26; CHECK-NEXT:  entry:
27; CHECK-NEXT:      #dbg_value(i32 [[T]], [[META6]], !DIExpression(), [[META12]])
28; CHECK-NEXT:      #dbg_value(i32 [[T]], [[META6]], !DIExpression(), [[META12]])
29; CHECK-NEXT:    ret i32 0
30;
31entry:
32  call void @llvm.dbg.value(metadata i32 %t, metadata !12, metadata !DIExpression()), !dbg !13
33  call void @llvm.dbg.value(metadata i32 %t, metadata !12, metadata !DIExpression()), !dbg !13
34  ret i32 0
35}
36
37; Function Attrs: nounwind readnone speculatable
38declare void @llvm.dbg.value(metadata, metadata, metadata)
39
40!llvm.dbg.cu = !{!0}
41!llvm.module.flags = !{!3, !4, !5}
42
43!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
44!1 = !DIFile(filename: "no-merge-debug-thunks.c", directory: "/tmp")
45!2 = !{}
46!3 = !{i32 2, !"Dwarf Version", i32 4}
47!4 = !{i32 2, !"Debug Info Version", i32 3}
48!5 = !{i32 1, !"wchar_size", i32 4}
49!7 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)
50!8 = !DISubroutineType(types: !9)
51!9 = !{!10, !10}
52!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
53!11 = !{!12}
54!12 = !DILocalVariable(name: "t", arg: 1, scope: !7, file: !1, line: 3, type: !10)
55!13 = !DILocation(line: 3, column: 14, scope: !7)
56!14 = !DILocation(line: 4, column: 12, scope: !7)
57!16 = distinct !DISubprogram(name: "_start", scope: !1, file: !1, line: 7, type: !17, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: true, unit: !0, retainedNodes: !2)
58!17 = !DISubroutineType(types: !18)
59!18 = !{!10}
60!19 = !DILocation(line: 8, column: 3, scope: !16)
61!20 = !DILocation(line: 9, column: 3, scope: !16)
62