1 ; RUN: opt -S -globalopt < %s | FileCheck %s
2 source_filename = "test.c"
3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-apple-macosx10.12.0"
6 %struct.mystruct = type { i32, i64 }
7 ; Generated at -Os from:
9 ; static struct mystruct {
13 ; void __attribute__((nodebug)) foo(int in) { static_struct.a = in; }
14 ; void __attribute__((nodebug)) bar(int in) { static_struct.b = in; }
15 ; int main(int argc, char **argv)
19 ; return static_struct.a + static_struct.b;
22 ; CHECK: @static_struct.0 = internal unnamed_addr global i32 0, align 8, !dbg ![[EL0:.*]]
23 ; CHECK: @static_struct.1 = internal unnamed_addr global i64 0, align 8, !dbg ![[EL1:.*]]
25 ; CHECK: ![[EL0]] = !DIGlobalVariableExpression(var: ![[VAR:.*]], expr: !DIExpression(DW_OP_LLVM_fragment, 0, 32))
26 ; CHECK: ![[VAR]] = distinct !DIGlobalVariable(name: "static_struct"
27 ; CHECK: ![[EL1]] = !DIGlobalVariableExpression(var: ![[VAR]], expr: !DIExpression(DW_OP_LLVM_fragment, 64, 64))
29 @static_struct = internal global %struct.mystruct zeroinitializer, align 8, !dbg !0
31 ; Function Attrs: nounwind optsize ssp uwtable
32 define void @foo(i32 %in) #0 {
34 store i32 %in, i32* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 0), align 8, !tbaa !17
38 ; Function Attrs: nounwind optsize ssp uwtable
39 define void @bar(i32 %in) #0 {
41 %conv = sext i32 %in to i64
42 store i64 %conv, i64* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 1), align 8, !tbaa !23
46 ; Function Attrs: nounwind optsize ssp uwtable
47 define i32 @main(i32 %argc, i8** %argv) #0 !dbg !24 {
49 call void @llvm.dbg.value(metadata i32 %argc, metadata !31, metadata !33), !dbg !34
50 call void @llvm.dbg.value(metadata i8** %argv, metadata !32, metadata !33), !dbg !35
51 %0 = load i8*, i8** %argv, align 8, !dbg !36, !tbaa !37
52 %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 1, !dbg !36
53 %1 = load i8, i8* %arrayidx1, align 1, !dbg !36, !tbaa !39
54 %conv = sext i8 %1 to i32, !dbg !36
55 call void @foo(i32 %conv) #2, !dbg !40
56 %2 = load i8*, i8** %argv, align 8, !dbg !41, !tbaa !37
57 %arrayidx3 = getelementptr inbounds i8, i8* %2, i64 1, !dbg !41
58 %3 = load i8, i8* %arrayidx3, align 1, !dbg !41, !tbaa !39
59 %conv4 = sext i8 %3 to i32, !dbg !41
60 call void @bar(i32 %conv4) #2, !dbg !42
61 %4 = load i32, i32* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 0), align 8, !dbg !43, !tbaa !17
62 %conv5 = sext i32 %4 to i64, !dbg !44
63 %5 = load i64, i64* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 1), align 8, !dbg !45, !tbaa !23
64 %add = add nsw i64 %conv5, %5, !dbg !46
65 %conv6 = trunc i64 %add to i32, !dbg !44
66 ret i32 %conv6, !dbg !47
69 ; Function Attrs: nounwind readnone speculatable
70 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
72 ; Function Attrs: nounwind readnone speculatable
73 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
75 attributes #0 = { nounwind optsize ssp uwtable }
76 attributes #1 = { nounwind readnone speculatable }
77 attributes #2 = { optsize }
80 !llvm.module.flags = !{!12, !13, !14, !15}
83 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
84 !1 = distinct !DIGlobalVariable(name: "static_struct", scope: !2, file: !3, line: 4, type: !6, isLocal: true, isDefinition: true)
85 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 309852) (llvm/trunk 309850)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
86 !3 = !DIFile(filename: "test.c", directory: "/")
89 !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "mystruct", file: !3, line: 1, size: 128, elements: !7)
91 !8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 2, baseType: !9, size: 32)
92 !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
93 !10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !3, line: 3, baseType: !11, size: 64, offset: 64)
94 !11 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
95 !12 = !{i32 2, !"Dwarf Version", i32 4}
96 !13 = !{i32 2, !"Debug Info Version", i32 3}
97 !14 = !{i32 1, !"wchar_size", i32 4}
98 !15 = !{i32 7, !"PIC Level", i32 2}
99 !16 = !{!"clang version 6.0.0 (trunk 309852) (llvm/trunk 309850)"}
100 !17 = !{!18, !19, i64 0}
101 !18 = !{!"mystruct", !19, i64 0, !22, i64 8}
102 !19 = !{!"int", !20, i64 0}
103 !20 = !{!"omnipotent char", !21, i64 0}
104 !21 = !{!"Simple C/C++ TBAA"}
105 !22 = !{!"long long", !20, i64 0}
106 !23 = !{!18, !22, i64 8}
107 !24 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 7, type: !25, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !30)
108 !25 = !DISubroutineType(types: !26)
110 !27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !28, size: 64)
111 !28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 64)
112 !29 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
114 !31 = !DILocalVariable(name: "argc", arg: 1, scope: !24, file: !3, line: 7, type: !9)
115 !32 = !DILocalVariable(name: "argv", arg: 2, scope: !24, file: !3, line: 7, type: !27)
116 !33 = !DIExpression()
117 !34 = !DILocation(line: 7, column: 14, scope: !24)
118 !35 = !DILocation(line: 7, column: 27, scope: !24)
119 !36 = !DILocation(line: 9, column: 9, scope: !24)
120 !37 = !{!38, !38, i64 0}
121 !38 = !{!"any pointer", !20, i64 0}
122 !39 = !{!20, !20, i64 0}
123 !40 = !DILocation(line: 9, column: 5, scope: !24)
124 !41 = !DILocation(line: 10, column: 9, scope: !24)
125 !42 = !DILocation(line: 10, column: 5, scope: !24)
126 !43 = !DILocation(line: 11, column: 26, scope: !24)
127 !44 = !DILocation(line: 11, column: 12, scope: !24)
128 !45 = !DILocation(line: 11, column: 44, scope: !24)
129 !46 = !DILocation(line: 11, column: 28, scope: !24)
130 !47 = !DILocation(line: 11, column: 5, scope: !24)