1 ; RUN: llc -mtriple=x86_64-apple-darwin < %s -o -
2 ; RUN: llc -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck --check-prefix=IGNORE_INTRIN %s
6 ; Make sure that when we splice off the end of a machine basic block, we include
7 ; DBG_VALUE MI in the terminator sequence.
9 @a = external global { i64, [56 x i8] }, align 32
11 ; Function Attrs: nounwind sspreq
12 define i32 @_Z18read_response_sizev() #0 !dbg !9 {
14 tail call void @llvm.dbg.value(metadata !22, i64 0, metadata !23, metadata !DIExpression()), !dbg !39
15 %0 = load i64, ptr @a, align 8, !dbg !40
16 tail call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !64, metadata !DIExpression()), !dbg !71
17 %1 = trunc i64 %0 to i32
21 define i32 @IgnoreIntrinsicTest() #1 {
22 ; IGNORE_INTRIN: IgnoreIntrinsicTest:
23 %1 = alloca i32, align 4
24 call void @llvm.dbg.declare(metadata ptr %1, metadata !73, metadata !DIExpression()), !dbg !74
25 store volatile i32 1, ptr %1, align 4
26 %2 = load volatile i32, ptr %1, align 4
27 %3 = mul nsw i32 %2, 42
29 ; IGNORE_INTRIN-NOT: callq __stack_chk_fail
30 ; IGNORE_INTRIN: .cfi_endproc
33 ; Function Attrs: nounwind readnone
34 declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
35 declare void @llvm.dbg.declare(metadata, metadata, metadata)
37 attributes #0 = { sspreq }
40 !llvm.module.flags = !{!21, !72}
42 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !5, globals: !20, imports: !5)
43 !1 = !DIFile(filename: "<unknown>", directory: "/Users/matt/ryan_bug")
45 !3 = !DICompositeType(tag: DW_TAG_enumeration_type, line: 20, size: 32, align: 32, file: !1, scope: !4, elements: !6)
46 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", line: 19, size: 8, align: 8, file: !1, elements: !5)
49 !7 = !DIEnumerator(name: "max_frame_size", value: 0) ; [ DW_TAG_enumerator ] [max_frame_size :: 0]
50 !9 = distinct !DISubprogram(name: "read_response_size", linkageName: "_Z18read_response_sizev", line: 27, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 27, file: !1, scope: !10, type: !11, retainedNodes: !14)
51 !10 = !DIFile(filename: "<unknown>", directory: "/Users/matt/ryan_bug")
52 !11 = !DISubroutineType(types: !12)
54 !13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
56 !15 = !DILocalVariable(name: "b", line: 28, scope: !9, file: !10, type: !16)
57 !16 = !DICompositeType(tag: DW_TAG_structure_type, name: "B", line: 16, size: 32, align: 32, file: !1, elements: !17)
59 !18 = !DIDerivedType(tag: DW_TAG_member, name: "end_of_file", line: 17, size: 32, align: 32, file: !1, scope: !16, baseType: !13)
60 !19 = !DILocalVariable(name: "c", line: 29, scope: !9, file: !10, type: !13)
62 !21 = !{i32 2, !"Dwarf Version", i32 2}
64 !23 = !DILocalVariable(name: "p2", line: 12, arg: 2, scope: !24, file: !10, type: !32)
65 !24 = distinct !DISubprogram(name: "min<unsigned long long>", linkageName: "_ZN3__13minIyEERKT_S3_RS1_", line: 12, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 12, file: !1, scope: !25, type: !27, templateParams: !33, retainedNodes: !35)
66 !25 = !DINamespace(name: "__1", scope: null)
67 !26 = !DIFile(filename: "main.cpp", directory: "/Users/matt/ryan_bug")
68 !27 = !DISubroutineType(types: !28)
69 !28 = !{!29, !29, !32}
70 !29 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !30)
71 !30 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !31)
72 !31 = !DIBasicType(tag: DW_TAG_base_type, name: "long long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned)
73 !32 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !31)
75 !34 = !DITemplateTypeParameter(name: "_Tp", type: !31)
77 !36 = !DILocalVariable(name: "p1", line: 12, arg: 1, scope: !24, file: !10, type: !29)
78 !37 = !DILocalVariable(name: "p2", line: 12, arg: 2, scope: !24, file: !10, type: !32)
79 !38 = !DILocation(line: 33, scope: !9)
80 !39 = !DILocation(line: 12, scope: !24, inlinedAt: !38)
81 !40 = !DILocation(line: 9, scope: !41, inlinedAt: !59)
82 !41 = distinct !DISubprogram(name: "min<unsigned long long, __1::A>", linkageName: "_ZN3__13minIyNS_1AEEERKT_S4_RS2_T0_", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 8, file: !1, scope: !25, type: !42, templateParams: !53, retainedNodes: !55)
83 !42 = !DISubroutineType(types: !43)
84 !43 = !{!29, !29, !32, !44}
85 !44 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", size: 8, align: 8, file: !1, scope: !25, elements: !45)
87 !46 = !DISubprogram(name: "operator()", linkageName: "_ZN3__11AclERKiS2_", line: 1, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !1, scope: !44, type: !47)
88 !47 = !DISubroutineType(types: !48)
89 !48 = !{!13, !49, !50, !50}
90 !49 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !44)
91 !50 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !51)
92 !51 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !13)
94 !54 = !DITemplateTypeParameter(name: "_Compare", type: !44)
95 !55 = !{!56, !57, !58}
96 !56 = !DILocalVariable(name: "p1", line: 7, arg: 1, scope: !41, file: !10, type: !29)
97 !57 = !DILocalVariable(name: "p2", line: 7, arg: 2, scope: !41, file: !10, type: !32)
98 !58 = !DILocalVariable(name: "p3", line: 8, arg: 3, scope: !41, file: !10, type: !44)
99 !59 = !DILocation(line: 13, scope: !24, inlinedAt: !38)
101 !64 = !DILocalVariable(name: "p1", line: 1, arg: 2, scope: !65, file: !10, type: !50)
102 !65 = distinct !DISubprogram(name: "operator()", linkageName: "_ZN3__11AclERKiS2_", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 2, file: !1, scope: !25, type: !47, declaration: !46, retainedNodes: !66)
103 !66 = !{!67, !69, !70}
104 !67 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !65, type: !68)
105 !68 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !44)
106 !69 = !DILocalVariable(name: "p1", line: 1, arg: 2, scope: !65, file: !10, type: !50)
107 !70 = !DILocalVariable(name: "", line: 2, arg: 3, scope: !65, file: !10, type: !50)
108 !71 = !DILocation(line: 1, scope: !65, inlinedAt: !40)
109 !72 = !{i32 1, !"Debug Info Version", i32 3}
110 !73 = !DILocalVariable(name: "x", scope: !74, file: !1, line: 2, type: !13)
111 !74 = distinct !DISubprogram(name: "IgnoreIntrinsicTest", linkageName: "IgnoreIntrinsicTest", scope: !1, file: !1, line: 1, type: !13, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !5)
112 !75 = !DILocation(line: 2, column: 16, scope: !7)