| ; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump -debug-info -debug-loc - | FileCheck %s |
| ; Test that DW_OP_piece is emitted for constants. |
| ; |
| ; // Generated from: |
| ; typedef struct { int a, b; } I; |
| ; I i(int i) { |
| ; I r = {i, 0}; |
| ; return r; |
| ; } |
| ; |
| ; typedef struct { float a, b; } F; |
| ; F f(float f) { |
| ; F r = {f, 0}; |
| ; return r; |
| ; } |
| |
| ; CHECK: .debug_info contents: |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK: DW_AT_name ("i") |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_location ([[I:0x[0-9a-f]+]] |
| ; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_reg5 RDI, DW_OP_piece 0x4, DW_OP_lit0, DW_OP_stack_value, DW_OP_piece 0x4) |
| ; CHECK-NEXT: DW_AT_name ("r") |
| ; |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK: DW_AT_name ("f") |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_location ([[F:0x[0-9a-f]+]] |
| ; 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)}} |
| ; 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)}}) |
| ; CHECK-NEXT: DW_AT_name ("r") |
| ; |
| ; CHECK: .debug_loc contents: |
| ; CHECK: [[I]]: |
| ; CHECK-NEXT: ({{.*}}, {{.*}}): DW_OP_reg5 RDI, DW_OP_piece 0x4, DW_OP_lit0, DW_OP_stack_value, DW_OP_piece 0x4 |
| ; CHECK: [[F]]: |
| ; 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}} |
| |
| source_filename = "stack-value-piece.c" |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.12.0" |
| |
| %struct.I = type { i32, i32 } |
| %struct.F = type { float, float } |
| |
| ; Function Attrs: nounwind readnone ssp uwtable |
| define i64 @i(i32 %i) local_unnamed_addr #0 !dbg !7 { |
| entry: |
| tail call void @llvm.dbg.value(metadata i32 %i, metadata !18, metadata !22), !dbg !21 |
| tail call void @llvm.dbg.value(metadata i32 0, metadata !18, metadata !23), !dbg !21 |
| %retval.sroa.0.0.insert.ext = zext i32 %i to i64, !dbg !24 |
| ret i64 %retval.sroa.0.0.insert.ext, !dbg !24 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind readnone ssp uwtable |
| define <2 x float> @f(float %f) local_unnamed_addr #0 !dbg !25 { |
| entry: |
| tail call void @llvm.dbg.value(metadata float %f, metadata !36, metadata !22), !dbg !38 |
| tail call void @llvm.dbg.value(metadata float 0.000000e+00, metadata !36, metadata !23), !dbg !38 |
| %retval.sroa.0.0.vec.insert = insertelement <2 x float> undef, float %f, i32 0, !dbg !39 |
| %retval.sroa.0.4.vec.insert = insertelement <2 x float> %retval.sroa.0.0.vec.insert, float 0.000000e+00, i32 1, !dbg !39 |
| ret <2 x float> %retval.sroa.0.4.vec.insert, !dbg !40 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind readnone ssp uwtable } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !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) |
| !1 = !DIFile(filename: "stack-value-piece.c", directory: "/") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"PIC Level", i32 2} |
| !6 = !{!"clang version 4.0.0 (trunk 285655) (llvm/trunk 285654)"} |
| !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) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{!10, !14} |
| !10 = !DIDerivedType(tag: DW_TAG_typedef, name: "I", file: !1, line: 1, baseType: !11) |
| !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 1, size: 64, elements: !12) |
| !12 = !{!13, !15} |
| !13 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !11, file: !1, line: 1, baseType: !14, size: 32) |
| !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !11, file: !1, line: 1, baseType: !14, size: 32, offset: 32) |
| !18 = !DILocalVariable(name: "r", scope: !7, file: !1, line: 3, type: !10) |
| !19 = !DIExpression() |
| !20 = !DILocation(line: 2, column: 9, scope: !7) |
| !21 = !DILocation(line: 3, column: 5, scope: !7) |
| !22 = !DIExpression(DW_OP_LLVM_fragment, 0, 32) |
| !23 = !DIExpression(DW_OP_LLVM_fragment, 32, 32) |
| !24 = !DILocation(line: 5, column: 1, scope: !7) |
| !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) |
| !26 = !DISubroutineType(types: !27) |
| !27 = !{!28, !32} |
| !28 = !DIDerivedType(tag: DW_TAG_typedef, name: "F", file: !1, line: 7, baseType: !29) |
| !29 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 7, size: 64, elements: !30) |
| !30 = !{!31, !33} |
| !31 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !29, file: !1, line: 7, baseType: !32, size: 32) |
| !32 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float) |
| !33 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !29, file: !1, line: 7, baseType: !32, size: 32, offset: 32) |
| !36 = !DILocalVariable(name: "r", scope: !25, file: !1, line: 9, type: !28) |
| !37 = !DILocation(line: 8, column: 11, scope: !25) |
| !38 = !DILocation(line: 9, column: 5, scope: !25) |
| !39 = !DILocation(line: 10, column: 10, scope: !25) |
| !40 = !DILocation(line: 11, column: 1, scope: !25) |