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37ec73c718
As discussed on llvm-dev in http://lists.llvm.org/pipermail/llvm-dev/2017-September/117301.html this changes the command line interface of llvm-dwarfdump to match the one used by the dwarfdump utility shipping on macOS. In addition to being shorter to type this format also has the advantage of allowing more than one section to be specified at the same time. In a nutshell, with this change $ llvm-dwarfdump --debug-dump=info $ llvm-dwarfdump --debug-dump=apple-objc becomes $ dwarfdump --debug-info --apple-objc Differential Revision: https://reviews.llvm.org/D37714 llvm-svn: 312970
83 lines
3.7 KiB
LLVM
83 lines
3.7 KiB
LLVM
; RUN: llc -filetype=asm < %s | FileCheck %s
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; RUN: llc -filetype=obj < %s \
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; RUN: | llvm-dwarfdump -debug-info - | FileCheck %s --check-prefix=DWARF
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;
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; CHECK: @DEBUG_VALUE: h:x <- [DW_OP_plus_uconst {{.*}}] [%R{{.*}}+0]
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; DWARF: DW_TAG_formal_parameter
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; DWARF: DW_AT_location
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; DWARF-NEXT: DW_OP_reg0 R0
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; DWARF: DW_TAG_formal_parameter
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; DWARF: DW_AT_location
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; DWARF-NEXT: DW_OP_reg1 R1
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; DWARF: DW_TAG_formal_parameter
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; DWARF: DW_AT_location
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; DWARF-NEXT: DW_OP_reg2 R2
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; DWARF: DW_TAG_formal_parameter
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; DWARF: DW_AT_location
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; DWARF-NEXT: DW_OP_reg3 R3
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; DWARF: DW_TAG_formal_parameter
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; DWARF: DW_AT_location
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; DWARF-NEXT: DW_OP_breg7 R7+8
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; generated from:
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; clang -cc1 -triple thumbv7 -S -O1 arm.cpp -g
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;
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; int f();
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; void g(float);
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; void h(int, int, int, int, float x) {
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; g(x = f());
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; }
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;
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:32-n32-S64"
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target triple = "thumbv7-apple-ios"
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; Function Attrs: nounwind
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define arm_aapcscc void @_Z1hiiiif(i32, i32, i32, i32, float %x) #0 "no-frame-pointer-elim"="true" !dbg !4 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 %0, metadata !12, metadata !DIExpression()), !dbg !18
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tail call void @llvm.dbg.value(metadata i32 %1, metadata !13, metadata !DIExpression()), !dbg !18
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tail call void @llvm.dbg.value(metadata i32 %2, metadata !14, metadata !DIExpression()), !dbg !18
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tail call void @llvm.dbg.value(metadata i32 %3, metadata !15, metadata !DIExpression()), !dbg !18
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tail call void @llvm.dbg.value(metadata float %x, metadata !16, metadata !DIExpression()), !dbg !18
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%call = tail call arm_aapcscc i32 @_Z1fv() #3, !dbg !19
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%conv = sitofp i32 %call to float, !dbg !19
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tail call void @llvm.dbg.value(metadata float %conv, metadata !16, metadata !DIExpression()), !dbg !19
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tail call arm_aapcscc void @_Z1gf(float %conv) #3, !dbg !19
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ret void, !dbg !20
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}
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declare arm_aapcscc void @_Z1gf(float)
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declare arm_aapcscc i32 @_Z1fv()
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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attributes #0 = { nounwind }
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attributes #2 = { nounwind readnone }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!17, !21}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 (trunk 190804) (llvm/trunk 190797)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "/<unknown>", directory: "")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "h", linkageName: "_Z1hiiiif", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !5, scope: !6, type: !7, variables: !11)
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!5 = !DIFile(filename: "/arm.cpp", directory: "")
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!6 = !DIFile(filename: "/arm.cpp", directory: "")
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!7 = !DISubroutineType(types: !8)
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!8 = !{null, !9, !9, !9, !9, !10}
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!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
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!11 = !{!12, !13, !14, !15, !16}
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!12 = !DILocalVariable(name: "", line: 3, arg: 1, scope: !4, file: !6, type: !9)
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!13 = !DILocalVariable(name: "", line: 3, arg: 2, scope: !4, file: !6, type: !9)
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!14 = !DILocalVariable(name: "", line: 3, arg: 3, scope: !4, file: !6, type: !9)
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!15 = !DILocalVariable(name: "", line: 3, arg: 4, scope: !4, file: !6, type: !9)
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!16 = !DILocalVariable(name: "x", line: 3, arg: 5, scope: !4, file: !6, type: !10)
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!17 = !{i32 2, !"Dwarf Version", i32 4}
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!18 = !DILocation(line: 3, scope: !4)
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!19 = !DILocation(line: 4, scope: !4)
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!20 = !DILocation(line: 5, scope: !4)
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!21 = !{i32 1, !"Debug Info Version", i32 3}
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