1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=instcombine -S | FileCheck %s
3 ; RUN: opt --try-experimental-debuginfo-iterators < %s -passes=instcombine -S | FileCheck %s
5 declare void @llvm.dbg.declare(metadata, metadata, metadata)
6 declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
7 declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
8 declare void @foo(ptr nocapture, ptr nocapture)
10 define void @bar(i1 %flag) !dbg !4 {
13 ; CHECK-NEXT: [[TEXT:%.*]] = alloca [1 x i8], align 1
14 ; CHECK-NEXT: [[BUFF:%.*]] = alloca [1 x i8], align 1
15 ; CHECK-NEXT: br i1 [[FLAG:%.*]], label [[IF:%.*]], label [[ELSE:%.*]]
17 ; CHECK-NEXT: br label [[BB2:%.*]]
19 ; CHECK-NEXT: br label [[BB3:%.*]]
21 ; CHECK-NEXT: #dbg_declare(ptr [[TEXT]], [[META16:![0-9]+]], !DIExpression(), [[META24:![0-9]+]])
22 ; CHECK-NEXT: br label [[FIN:%.*]]
24 ; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 1, ptr nonnull [[TEXT]])
25 ; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 1, ptr nonnull [[BUFF]])
26 ; CHECK-NEXT: call void @foo(ptr nonnull [[BUFF]], ptr nonnull [[TEXT]])
27 ; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 1, ptr nonnull [[BUFF]])
28 ; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 1, ptr nonnull [[TEXT]])
29 ; CHECK-NEXT: br label [[FIN]]
31 ; CHECK-NEXT: ret void
34 %text = alloca [1 x i8], align 1
35 %buff = alloca [1 x i8], align 1
36 br i1 %flag, label %if, label %else
39 call void @llvm.lifetime.start.p0(i64 1, ptr %text)
40 call void @llvm.lifetime.start.p0(i64 1, ptr %buff)
41 call void @llvm.lifetime.end.p0(i64 1, ptr %buff)
42 call void @llvm.lifetime.end.p0(i64 1, ptr %text)
46 call void @llvm.lifetime.start.p0(i64 1, ptr %text)
47 call void @llvm.lifetime.start.p0(i64 1, ptr %buff)
48 call void @llvm.lifetime.end.p0(i64 1, ptr %text)
49 call void @llvm.lifetime.end.p0(i64 1, ptr %buff)
53 call void @llvm.lifetime.start.p0(i64 1, ptr %text)
54 call void @llvm.dbg.declare(metadata ptr %text, metadata !14, metadata !25), !dbg !26
55 call void @llvm.lifetime.end.p0(i64 1, ptr %text)
59 call void @llvm.lifetime.start.p0(i64 1, ptr %text)
60 call void @llvm.lifetime.start.p0(i64 1, ptr %buff)
61 call void @foo(ptr %buff, ptr %text)
62 call void @llvm.lifetime.end.p0(i64 1, ptr %buff)
63 call void @llvm.lifetime.end.p0(i64 1, ptr %text)
71 !llvm.module.flags = !{!22, !23}
74 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 248826) (llvm/trunk 248827)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
75 !1 = !DIFile(filename: "test.cpp", directory: "/home/user")
77 !4 = distinct !DISubprogram(name: "bar", linkageName: "bar", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !8)
78 !5 = !DISubroutineType(types: !6)
80 !7 = !DIBasicType(name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
81 !8 = !{!9, !11, !12, !14, !21}
82 !9 = !DILocalVariable(name: "Size", arg: 1, scope: !4, file: !1, line: 2, type: !10)
83 !10 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
84 !11 = !DILocalVariable(name: "flag", arg: 2, scope: !4, file: !1, line: 2, type: !7)
85 !12 = !DILocalVariable(name: "i", scope: !13, file: !1, line: 3, type: !10)
86 !13 = distinct !DILexicalBlock(scope: !4, file: !1, line: 3, column: 3)
87 !14 = !DILocalVariable(name: "text", scope: !15, file: !1, line: 4, type: !17)
88 !15 = distinct !DILexicalBlock(scope: !16, file: !1, line: 3, column: 30)
89 !16 = distinct !DILexicalBlock(scope: !13, file: !1, line: 3, column: 3)
90 !17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !18, size: 8, align: 8, elements: !19)
91 !18 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
93 !20 = !DISubrange(count: 1)
94 !21 = !DILocalVariable(name: "buff", scope: !15, file: !1, line: 5, type: !17)
95 !22 = !{i32 2, !"Dwarf Version", i32 4}
96 !23 = !{i32 2, !"Debug Info Version", i32 3}
97 !24 = !{!"clang version 3.8.0 (trunk 248826) (llvm/trunk 248827)"}
99 !26 = !DILocation(line: 4, column: 10, scope: !15)