1 ; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump -v - | FileCheck %s 2 ; 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_subprogram 19 ; CHECK: DW_AT_name {{.*}} "i" 20 ; CHECK: DW_TAG_variable 21 ; CHECK-NEXT: DW_AT_location {{.*}} ([[I:.*]] 22 ; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_reg5 RDI, DW_OP_piece 0x4, DW_OP_constu 0x0, DW_OP_stack_value, DW_OP_piece 0x4) 23 ; CHECK-NEXT: DW_AT_name {{.*}} "r" 24 ; 25 ; CHECK: DW_TAG_subprogram 26 ; CHECK: DW_AT_name {{.*}} "f" 27 ; CHECK: DW_TAG_variable 28 ; CHECK-NEXT: DW_AT_location {{.*}} ([[F:.*]] 29 ; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_reg17 XMM0, DW_OP_piece 0x4, DW_OP_constu 0x0, DW_OP_stack_value, DW_OP_piece 0x4) 30 ; CHECK-NEXT: DW_AT_name {{.*}} "r" 31 ; 32 ; CHECK: .debug_loc contents: 33 ; CHECK: [[I]]: 34 ; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_reg5 RDI, DW_OP_piece 0x4, DW_OP_constu 0x0, DW_OP_stack_value, DW_OP_piece 0x4 35 ; CHECK: [[F]]: 36 ; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_reg17 XMM0, DW_OP_piece 0x4, DW_OP_constu 0x0, DW_OP_stack_value, DW_OP_piece 0x4 37 38 source_filename = "stack-value-piece.c" 39 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 40 target triple = "x86_64-apple-macosx10.12.0" 41 42 %struct.I = type { i32, i32 } 43 %struct.F = type { float, float } 44 45 ; Function Attrs: nounwind readnone ssp uwtable 46 define i64 @i(i32 %i) local_unnamed_addr #0 !dbg !7 { 47 entry: 48 tail call void @llvm.dbg.value(metadata i32 %i, metadata !18, metadata !22), !dbg !21 49 tail call void @llvm.dbg.value(metadata i32 0, metadata !18, metadata !23), !dbg !21 50 %retval.sroa.0.0.insert.ext = zext i32 %i to i64, !dbg !24 51 ret i64 %retval.sroa.0.0.insert.ext, !dbg !24 52 } 53 54 ; Function Attrs: nounwind readnone 55 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 56 57 ; Function Attrs: nounwind readnone ssp uwtable 58 define <2 x float> @f(float %f) local_unnamed_addr #0 !dbg !25 { 59 entry: 60 tail call void @llvm.dbg.value(metadata float %f, metadata !36, metadata !22), !dbg !38 61 tail call void @llvm.dbg.value(metadata float 0.000000e+00, metadata !36, metadata !23), !dbg !38 62 %retval.sroa.0.0.vec.insert = insertelement <2 x float> undef, float %f, i32 0, !dbg !39 63 %retval.sroa.0.4.vec.insert = insertelement <2 x float> %retval.sroa.0.0.vec.insert, float 0.000000e+00, i32 1, !dbg !39 64 ret <2 x float> %retval.sroa.0.4.vec.insert, !dbg !40 65 } 66 67 ; Function Attrs: nounwind readnone 68 declare void @llvm.dbg.value(metadata, metadata, metadata) #1 69 70 attributes #0 = { nounwind readnone ssp uwtable } 71 attributes #1 = { nounwind readnone } 72 73 !llvm.dbg.cu = !{!0} 74 !llvm.module.flags = !{!3, !4, !5} 75 !llvm.ident = !{!6} 76 77 !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) 78 !1 = !DIFile(filename: "stack-value-piece.c", directory: "/") 79 !2 = !{} 80 !3 = !{i32 2, !"Dwarf Version", i32 4} 81 !4 = !{i32 2, !"Debug Info Version", i32 3} 82 !5 = !{i32 1, !"PIC Level", i32 2} 83 !6 = !{!"clang version 4.0.0 (trunk 285655) (llvm/trunk 285654)"} 84 !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) 85 !8 = !DISubroutineType(types: !9) 86 !9 = !{!10, !14} 87 !10 = !DIDerivedType(tag: DW_TAG_typedef, name: "I", file: !1, line: 1, baseType: !11) 88 !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 1, size: 64, elements: !12) 89 !12 = !{!13, !15} 90 !13 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !11, file: !1, line: 1, baseType: !14, size: 32) 91 !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 92 !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !11, file: !1, line: 1, baseType: !14, size: 32, offset: 32) 93 !18 = !DILocalVariable(name: "r", scope: !7, file: !1, line: 3, type: !10) 94 !19 = !DIExpression() 95 !20 = !DILocation(line: 2, column: 9, scope: !7) 96 !21 = !DILocation(line: 3, column: 5, scope: !7) 97 !22 = !DIExpression(DW_OP_LLVM_fragment, 0, 32) 98 !23 = !DIExpression(DW_OP_LLVM_fragment, 32, 32) 99 !24 = !DILocation(line: 5, column: 1, scope: !7) 100 !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) 101 !26 = !DISubroutineType(types: !27) 102 !27 = !{!28, !32} 103 !28 = !DIDerivedType(tag: DW_TAG_typedef, name: "F", file: !1, line: 7, baseType: !29) 104 !29 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 7, size: 64, elements: !30) 105 !30 = !{!31, !33} 106 !31 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !29, file: !1, line: 7, baseType: !32, size: 32) 107 !32 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float) 108 !33 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !29, file: !1, line: 7, baseType: !32, size: 32, offset: 32) 109 !36 = !DILocalVariable(name: "r", scope: !25, file: !1, line: 9, type: !28) 110 !37 = !DILocation(line: 8, column: 11, scope: !25) 111 !38 = !DILocation(line: 9, column: 5, scope: !25) 112 !39 = !DILocation(line: 10, column: 10, scope: !25) 113 !40 = !DILocation(line: 11, column: 1, scope: !25) 114
