117 lines
5.2 KiB
LLVM
117 lines
5.2 KiB
LLVM
; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
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; Test that DW_OP_piece is emitted for constants.
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;
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; // Generated from:
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; typedef struct { int a, b; } I;
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; I i(int i) {
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; I r = {i, 0};
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; return r;
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; }
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;
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; typedef struct { float a, b; } F;
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; F f(float f) {
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; F r = {f, 0};
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; return r;
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; }
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; CHECK: .debug_info contents:
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_name {{.*}} "i"
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; CHECK: DW_TAG_variable
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; CHECK-NEXT: DW_AT_location {{.*}} ([[I:.*]])
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; CHECK-NEXT: DW_AT_name {{.*}} "r"
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;
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_name {{.*}} "f"
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; CHECK: DW_TAG_variable
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; CHECK-NEXT: DW_AT_location {{.*}} ([[F:.*]])
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; CHECK-NEXT: DW_AT_name {{.*}} "r"
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;
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; CHECK: .debug_loc contents:
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; CHECK: [[I]]: Beginning address offset:
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; CHECK-NEXT: Ending address offset:
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; CHECK-NEXT: Location description: 55 93 04 10 00 9f 93 04
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; rdi, piece 0x00000004, constu 0x00000000, stack-value, piece 0x00000004
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;
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; CHECK: [[F]]: Beginning address offset:
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; CHECK-NEXT: Ending address offset:
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; CHECK-NEXT: Location description: 61 93 04 10 00 9f 93 04
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; reg17, piece 0x00000004, constu 0x00000000, stack-value, piece 0x00000004
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source_filename = "stack-value-piece.c"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.12.0"
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%struct.I = type { i32, i32 }
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%struct.F = type { float, float }
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; Function Attrs: nounwind readnone ssp uwtable
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define i64 @i(i32 %i) local_unnamed_addr #0 !dbg !7 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 %i, metadata !18, metadata !22), !dbg !21
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tail call void @llvm.dbg.value(metadata i32 0, metadata !18, metadata !23), !dbg !21
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%retval.sroa.0.0.insert.ext = zext i32 %i to i64, !dbg !24
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ret i64 %retval.sroa.0.0.insert.ext, !dbg !24
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind readnone ssp uwtable
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define <2 x float> @f(float %f) local_unnamed_addr #0 !dbg !25 {
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entry:
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tail call void @llvm.dbg.value(metadata float %f, metadata !36, metadata !22), !dbg !38
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tail call void @llvm.dbg.value(metadata float 0.000000e+00, metadata !36, metadata !23), !dbg !38
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%retval.sroa.0.0.vec.insert = insertelement <2 x float> undef, float %f, i32 0, !dbg !39
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%retval.sroa.0.4.vec.insert = insertelement <2 x float> %retval.sroa.0.0.vec.insert, float 0.000000e+00, i32 1, !dbg !39
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ret <2 x float> %retval.sroa.0.4.vec.insert, !dbg !40
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind readnone ssp uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!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)
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!1 = !DIFile(filename: "stack-value-piece.c", directory: "/")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"PIC Level", i32 2}
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!6 = !{!"clang version 4.0.0 (trunk 285655) (llvm/trunk 285654)"}
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!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)
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!8 = !DISubroutineType(types: !9)
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!9 = !{!10, !14}
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!10 = !DIDerivedType(tag: DW_TAG_typedef, name: "I", file: !1, line: 1, baseType: !11)
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!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 1, size: 64, elements: !12)
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!12 = !{!13, !15}
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!13 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !11, file: !1, line: 1, baseType: !14, size: 32)
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!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !11, file: !1, line: 1, baseType: !14, size: 32, offset: 32)
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!18 = !DILocalVariable(name: "r", scope: !7, file: !1, line: 3, type: !10)
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!19 = !DIExpression()
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!20 = !DILocation(line: 2, column: 9, scope: !7)
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!21 = !DILocation(line: 3, column: 5, scope: !7)
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!22 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
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!23 = !DIExpression(DW_OP_LLVM_fragment, 32, 32)
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!24 = !DILocation(line: 5, column: 1, scope: !7)
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!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)
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!26 = !DISubroutineType(types: !27)
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!27 = !{!28, !32}
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!28 = !DIDerivedType(tag: DW_TAG_typedef, name: "F", file: !1, line: 7, baseType: !29)
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!29 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 7, size: 64, elements: !30)
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!30 = !{!31, !33}
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!31 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !29, file: !1, line: 7, baseType: !32, size: 32)
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!32 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
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!33 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !29, file: !1, line: 7, baseType: !32, size: 32, offset: 32)
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!36 = !DILocalVariable(name: "r", scope: !25, file: !1, line: 9, type: !28)
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!37 = !DILocation(line: 8, column: 11, scope: !25)
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!38 = !DILocation(line: 9, column: 5, scope: !25)
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!39 = !DILocation(line: 10, column: 10, scope: !25)
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!40 = !DILocation(line: 11, column: 1, scope: !25)
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