1 ; RUN: opt -S -globalopt < %s | FileCheck %s 2 source_filename = "struct.c" 3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 %struct.mystruct = type { x86_fp80, i32, [12 x i8] } 7 8 ; Generated from: 9 ; 10 ; static struct mystruct { 11 ; long double a; 12 ; int b; 13 ; } static_struct; 14 ; void __attribute__((nodebug)) foo(int in) { static_struct.a = in; } 15 ; void __attribute__((nodebug)) bar(int in) { static_struct.b = in; } 16 ; int main(int argc, char **argv) 17 ; { 18 ; foo(argv[0][1]); 19 ; bar(argv[0][1]); 20 ; return (static_struct.a + static_struct.b) > 0; 21 ; } 22 ; 23 ; using clang -O0 -g2 -S -emit-llvm 24 25 @static_struct = internal global %struct.mystruct zeroinitializer, align 16, !dbg !0 26 27 ; CHECK: @static_struct.0 = internal unnamed_addr global x86_fp80 0xK00000000000000000000, align 16, !dbg ![[EL0:.*]] 28 ; CHECK: @static_struct.1 = internal unnamed_addr global i32 0, align 16, !dbg ![[EL1:.*]] 29 30 ; CHECK: ![[EL0]] = !DIGlobalVariableExpression(var: ![[VAR:.*]], expr: !DIExpression(DW_OP_LLVM_fragment, 0, 128)) 31 ; CHECK: ![[VAR]] = distinct !DIGlobalVariable(name: "static_struct" 32 ; CHECK: ![[EL1]] = !DIGlobalVariableExpression(var: ![[VAR]], expr: !DIExpression(DW_OP_LLVM_fragment, 128, 32)) 33 34 ; Function Attrs: noinline nounwind optnone uwtable 35 define void @foo(i32 %in) #0 { 36 entry: 37 %in.addr = alloca i32, align 4 38 store i32 %in, i32* %in.addr, align 4 39 %0 = load i32, i32* %in.addr, align 4 40 %conv = sitofp i32 %0 to x86_fp80 41 store x86_fp80 %conv, x86_fp80* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 0), align 16 42 ret void 43 } 44 45 ; Function Attrs: noinline nounwind optnone uwtable 46 define void @bar(i32 %in) #0 { 47 entry: 48 %in.addr = alloca i32, align 4 49 store i32 %in, i32* %in.addr, align 4 50 %0 = load i32, i32* %in.addr, align 4 51 store i32 %0, i32* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 1), align 16 52 ret void 53 } 54 55 ; Function Attrs: noinline nounwind optnone uwtable 56 define i32 @main(i32 %argc, i8** %argv) #0 !dbg !16 { 57 entry: 58 %retval = alloca i32, align 4 59 %argc.addr = alloca i32, align 4 60 %argv.addr = alloca i8**, align 8 61 store i32 0, i32* %retval, align 4 62 store i32 %argc, i32* %argc.addr, align 4 63 call void @llvm.dbg.declare(metadata i32* %argc.addr, metadata !22, metadata !DIExpression()), !dbg !23 64 store i8** %argv, i8*** %argv.addr, align 8 65 call void @llvm.dbg.declare(metadata i8*** %argv.addr, metadata !24, metadata !DIExpression()), !dbg !25 66 %0 = load i8**, i8*** %argv.addr, align 8, !dbg !26 67 %arrayidx = getelementptr inbounds i8*, i8** %0, i64 0, !dbg !26 68 %1 = load i8*, i8** %arrayidx, align 8, !dbg !26 69 %arrayidx1 = getelementptr inbounds i8, i8* %1, i64 1, !dbg !26 70 %2 = load i8, i8* %arrayidx1, align 1, !dbg !26 71 %conv = sext i8 %2 to i32, !dbg !26 72 call void @foo(i32 %conv), !dbg !27 73 %3 = load i8**, i8*** %argv.addr, align 8, !dbg !28 74 %arrayidx2 = getelementptr inbounds i8*, i8** %3, i64 0, !dbg !28 75 %4 = load i8*, i8** %arrayidx2, align 8, !dbg !28 76 %arrayidx3 = getelementptr inbounds i8, i8* %4, i64 1, !dbg !28 77 %5 = load i8, i8* %arrayidx3, align 1, !dbg !28 78 %conv4 = sext i8 %5 to i32, !dbg !28 79 call void @bar(i32 %conv4), !dbg !29 80 %6 = load x86_fp80, x86_fp80* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 0), align 16, !dbg !30 81 %7 = load i32, i32* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 1), align 16, !dbg !31 82 %conv5 = sitofp i32 %7 to x86_fp80, !dbg !32 83 %add = fadd x86_fp80 %6, %conv5, !dbg !33 84 %cmp = fcmp ogt x86_fp80 %add, 0xK00000000000000000000, !dbg !34 85 %conv6 = zext i1 %cmp to i32, !dbg !34 86 ret i32 %conv6, !dbg !35 87 } 88 89 ; Function Attrs: nounwind readnone speculatable 90 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 91 92 attributes #0 = { noinline nounwind optnone uwtable } 93 attributes #1 = { nounwind readnone speculatable } 94 95 !llvm.dbg.cu = !{!2} 96 !llvm.module.flags = !{!12, !13, !14} 97 !llvm.ident = !{!15} 98 99 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 100 !1 = distinct !DIGlobalVariable(name: "static_struct", scope: !2, file: !3, line: 4, type: !6, isLocal: true, isDefinition: true) 101 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 102 !3 = !DIFile(filename: "struct.c", directory: "/") 103 !4 = !{} 104 !5 = !{!0} 105 !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "mystruct", file: !3, line: 1, size: 256, elements: !7) 106 !7 = !{!8, !10} 107 !8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 2, baseType: !9, size: 128) 108 !9 = !DIBasicType(name: "long double", size: 128, encoding: DW_ATE_float) 109 !10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !3, line: 3, baseType: !11, size: 32, offset: 128) 110 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 111 !12 = !{i32 2, !"Dwarf Version", i32 4} 112 !13 = !{i32 2, !"Debug Info Version", i32 3} 113 !14 = !{i32 1, !"wchar_size", i32 4} 114 !15 = !{!"clang version 7.0.0"} 115 !16 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 7, type: !17, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4) 116 !17 = !DISubroutineType(types: !18) 117 !18 = !{!11, !11, !19} 118 !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64) 119 !20 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !21, size: 64) 120 !21 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) 121 !22 = !DILocalVariable(name: "argc", arg: 1, scope: !16, file: !3, line: 7, type: !11) 122 !23 = !DILocation(line: 7, column: 14, scope: !16) 123 !24 = !DILocalVariable(name: "argv", arg: 2, scope: !16, file: !3, line: 7, type: !19) 124 !25 = !DILocation(line: 7, column: 27, scope: !16) 125 !26 = !DILocation(line: 9, column: 9, scope: !16) 126 !27 = !DILocation(line: 9, column: 5, scope: !16) 127 !28 = !DILocation(line: 10, column: 9, scope: !16) 128 !29 = !DILocation(line: 10, column: 5, scope: !16) 129 !30 = !DILocation(line: 11, column: 27, scope: !16) 130 !31 = !DILocation(line: 11, column: 45, scope: !16) 131 !32 = !DILocation(line: 11, column: 31, scope: !16) 132 !33 = !DILocation(line: 11, column: 29, scope: !16) 133 !34 = !DILocation(line: 11, column: 48, scope: !16) 134 !35 = !DILocation(line: 11, column: 5, scope: !16) 135
