102 lines · plain
1; ModuleID = 'array.c'2;3; From (clang -g -c -O0):4;5; void f(int* p) {6; p[0] = 42;7; }8;9; int main(int argc, char** argv) {10; int array[4] = { 0, 1, 2, 3 };11; f(array);12; return array[0];13; }14;15; RUN: opt %s -O2 -S -o - | FileCheck %s16; Test that we correctly lower dbg.declares for arrays.17;18; CHECK: define noundef i32 @main19; CHECK: #dbg_value(i32 42, ![[ARRAY:[0-9]+]], !DIExpression(DW_OP_LLVM_fragment, 0, 32),20; CHECK: ![[ARRAY]] = !DILocalVariable(name: "array",{{.*}} line: 621target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"22target triple = "x86_64-apple-macosx10.9.0"23 24@main.array = private unnamed_addr constant [4 x i32] [i32 0, i32 1, i32 2, i32 3], align 1625 26; Function Attrs: nounwind ssp uwtable27define void @f(ptr %p) #0 !dbg !4 {28entry:29 %p.addr = alloca ptr, align 830 store ptr %p, ptr %p.addr, align 831 call void @llvm.dbg.declare(metadata ptr %p.addr, metadata !19, metadata !DIExpression()), !dbg !2032 %0 = load ptr, ptr %p.addr, align 8, !dbg !2133 store i32 42, ptr %0, align 4, !dbg !2134 ret void, !dbg !2235}36 37; Function Attrs: nounwind readnone38declare void @llvm.dbg.declare(metadata, metadata, metadata) #139 40; Function Attrs: nounwind ssp uwtable41define i32 @main(i32 %argc, ptr %argv) #0 !dbg !10 {42entry:43 %retval = alloca i32, align 444 %argc.addr = alloca i32, align 445 %argv.addr = alloca ptr, align 846 %array = alloca [4 x i32], align 1647 store i32 0, ptr %retval48 store i32 %argc, ptr %argc.addr, align 449 call void @llvm.dbg.declare(metadata ptr %argc.addr, metadata !23, metadata !DIExpression()), !dbg !2450 store ptr %argv, ptr %argv.addr, align 851 call void @llvm.dbg.declare(metadata ptr %argv.addr, metadata !25, metadata !DIExpression()), !dbg !2452 call void @llvm.dbg.declare(metadata ptr %array, metadata !26, metadata !DIExpression()), !dbg !3053 call void @llvm.memcpy.p0.p0.i64(ptr align 16 %array, ptr align 16 @main.array, i64 16, i1 false), !dbg !3054 call void @f(ptr %array), !dbg !3155 %0 = load i32, ptr %array, align 4, !dbg !3256 ret i32 %0, !dbg !3257}58 59; Function Attrs: nounwind60declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) #261 62attributes #0 = { nounwind ssp uwtable }63attributes #1 = { nounwind readnone }64attributes #2 = { nounwind }65 66!llvm.dbg.cu = !{!0}67!llvm.module.flags = !{!16, !17}68!llvm.ident = !{!18}69 70!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)71!1 = !DIFile(filename: "array.c", directory: "")72!2 = !{}73!4 = distinct !DISubprogram(name: "f", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)74!5 = !DIFile(filename: "array.c", directory: "")75!6 = !DISubroutineType(types: !7)76!7 = !{null, !8}77!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9)78!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)79!10 = distinct !DISubprogram(name: "main", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !11, retainedNodes: !2)80!11 = !DISubroutineType(types: !12)81!12 = !{!9, !9, !13}82!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !14)83!14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !15)84!15 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)85!16 = !{i32 2, !"Dwarf Version", i32 2}86!17 = !{i32 1, !"Debug Info Version", i32 3}87!18 = !{!"clang version 3.5.0 "}88!19 = !DILocalVariable(name: "p", line: 1, arg: 1, scope: !4, file: !5, type: !8)89!20 = !DILocation(line: 1, scope: !4)90!21 = !DILocation(line: 2, scope: !4)91!22 = !DILocation(line: 3, scope: !4)92!23 = !DILocalVariable(name: "argc", line: 5, arg: 1, scope: !10, file: !5, type: !9)93!24 = !DILocation(line: 5, scope: !10)94!25 = !DILocalVariable(name: "argv", line: 5, arg: 2, scope: !10, file: !5, type: !13)95!26 = !DILocalVariable(name: "array", line: 6, scope: !10, file: !5, type: !27)96!27 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 32, baseType: !9, elements: !28)97!28 = !{!29}98!29 = !DISubrange(count: 4)99!30 = !DILocation(line: 6, scope: !10)100!31 = !DILocation(line: 7, scope: !10)101!32 = !DILocation(line: 8, scope: !10)102