115 lines · plain
1; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump -debug-info -debug-loc - | FileCheck %s2; Test that DW_OP_piece is emitted for constants.3;4; // Generated from:5; typedef struct { int a, b; } I;6; I i(int i) {7; I r = {i, 0};8; return r;9; }10;11; typedef struct { float a, b; } F;12; F f(float f) {13; F r = {f, 0};14; return r;15; }16 17; CHECK: .debug_info contents:18; CHECK: DW_TAG_subprogram19; CHECK: DW_AT_name ("i")20; CHECK: DW_TAG_variable21; CHECK-NEXT: DW_AT_location ([[I:0x[0-9a-f]+]]22; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_reg5 RDI, DW_OP_piece 0x4, DW_OP_lit0, DW_OP_stack_value, DW_OP_piece 0x4)23; CHECK-NEXT: DW_AT_name ("r")24;25; CHECK: DW_TAG_subprogram26; CHECK: DW_AT_name ("f")27; CHECK: DW_TAG_variable28; CHECK-NEXT: DW_AT_location ([[F:0x[0-9a-f]+]]29; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_reg17 XMM0, DW_OP_piece 0x4, {{(DW_OP_lit0, DW_OP_stack_value, DW_OP_piece 0x4|DW_OP_implicit_value 0x4 0x00 0x00 0x00 0x00)}}30; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_piece 0x4, {{(DW_OP_lit0, DW_OP_stack_value, DW_OP_piece 0x4|DW_OP_implicit_value 0x4 0x00 0x00 0x00 0x00)}})31; CHECK-NEXT: DW_AT_name ("r")32;33; CHECK: .debug_loc contents:34; CHECK: [[I]]:35; CHECK-NEXT: ({{.*}}, {{.*}}): DW_OP_reg5 RDI, DW_OP_piece 0x4, DW_OP_lit0, DW_OP_stack_value, DW_OP_piece 0x436; CHECK: [[F]]:37; CHECK-NEXT: ({{.*}}, {{.*}}): DW_OP_reg17 XMM0, DW_OP_piece 0x4, {{DW_OP_lit0, DW_OP_stack_value, DW_OP_piece 0x4|DW_OP_implicit_value 0x4 0x00 0x00 0x00 0x00}}38 39source_filename = "stack-value-piece.c"40target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"41target triple = "x86_64-apple-macosx10.12.0"42 43%struct.I = type { i32, i32 }44%struct.F = type { float, float }45 46; Function Attrs: nounwind readnone ssp uwtable47define i64 @i(i32 %i) local_unnamed_addr #0 !dbg !7 {48entry:49 tail call void @llvm.dbg.value(metadata i32 %i, metadata !18, metadata !22), !dbg !2150 tail call void @llvm.dbg.value(metadata i32 0, metadata !18, metadata !23), !dbg !2151 %retval.sroa.0.0.insert.ext = zext i32 %i to i64, !dbg !2452 ret i64 %retval.sroa.0.0.insert.ext, !dbg !2453}54 55; Function Attrs: nounwind readnone56declare void @llvm.dbg.declare(metadata, metadata, metadata) #157 58; Function Attrs: nounwind readnone ssp uwtable59define <2 x float> @f(float %f) local_unnamed_addr #0 !dbg !25 {60entry:61 tail call void @llvm.dbg.value(metadata float %f, metadata !36, metadata !22), !dbg !3862 tail call void @llvm.dbg.value(metadata float 0.000000e+00, metadata !36, metadata !23), !dbg !3863 %retval.sroa.0.0.vec.insert = insertelement <2 x float> undef, float %f, i32 0, !dbg !3964 %retval.sroa.0.4.vec.insert = insertelement <2 x float> %retval.sroa.0.0.vec.insert, float 0.000000e+00, i32 1, !dbg !3965 ret <2 x float> %retval.sroa.0.4.vec.insert, !dbg !4066}67 68; Function Attrs: nounwind readnone69declare void @llvm.dbg.value(metadata, metadata, metadata) #170 71attributes #0 = { nounwind readnone ssp uwtable }72attributes #1 = { nounwind readnone }73 74!llvm.dbg.cu = !{!0}75!llvm.module.flags = !{!3, !4, !5}76!llvm.ident = !{!6}77 78!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (trunk 285655) (llvm/trunk 285654)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)79!1 = !DIFile(filename: "stack-value-piece.c", directory: "/")80!2 = !{}81!3 = !{i32 2, !"Dwarf Version", i32 4}82!4 = !{i32 2, !"Debug Info Version", i32 3}83!5 = !{i32 1, !"PIC Level", i32 2}84!6 = !{!"clang version 4.0.0 (trunk 285655) (llvm/trunk 285654)"}85!7 = distinct !DISubprogram(name: "i", scope: !1, file: !1, line: 2, type: !8, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0)86!8 = !DISubroutineType(types: !9)87!9 = !{!10, !14}88!10 = !DIDerivedType(tag: DW_TAG_typedef, name: "I", file: !1, line: 1, baseType: !11)89!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 1, size: 64, elements: !12)90!12 = !{!13, !15}91!13 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !11, file: !1, line: 1, baseType: !14, size: 32)92!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)93!15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !11, file: !1, line: 1, baseType: !14, size: 32, offset: 32)94!18 = !DILocalVariable(name: "r", scope: !7, file: !1, line: 3, type: !10)95!19 = !DIExpression()96!20 = !DILocation(line: 2, column: 9, scope: !7)97!21 = !DILocation(line: 3, column: 5, scope: !7)98!22 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)99!23 = !DIExpression(DW_OP_LLVM_fragment, 32, 32)100!24 = !DILocation(line: 5, column: 1, scope: !7)101!25 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 8, type: !26, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0)102!26 = !DISubroutineType(types: !27)103!27 = !{!28, !32}104!28 = !DIDerivedType(tag: DW_TAG_typedef, name: "F", file: !1, line: 7, baseType: !29)105!29 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 7, size: 64, elements: !30)106!30 = !{!31, !33}107!31 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !29, file: !1, line: 7, baseType: !32, size: 32)108!32 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)109!33 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !29, file: !1, line: 7, baseType: !32, size: 32, offset: 32)110!36 = !DILocalVariable(name: "r", scope: !25, file: !1, line: 9, type: !28)111!37 = !DILocation(line: 8, column: 11, scope: !25)112!38 = !DILocation(line: 9, column: 5, scope: !25)113!39 = !DILocation(line: 10, column: 10, scope: !25)114!40 = !DILocation(line: 11, column: 1, scope: !25)115