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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
73 lines
3.3 KiB
LLVM
73 lines
3.3 KiB
LLVM
; RUN: llc -mtriple=x86_64-linux-gnu -fast-isel=false -filetype=obj < %s -o - | llvm-dwarfdump -debug-info - | FileCheck %s
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; RUN: llc -mtriple=x86_64-linux-gnu -fast-isel=false -filetype=asm < %s -o - | FileCheck --check-prefix=ASM %s
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; Generated from:
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; clang-tot -c -S -emit-llvm -g inline-seldag-test.c
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; inline int __attribute__((always_inline)) f(int y) {
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; return y ? 4 : 7;
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; }
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; void func() {
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; volatile int x;
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; x = f(x);
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; }
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; CHECK: DW_TAG_inlined_subroutine
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; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f"
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; Make sure the condition test is attributed to the inline function, not the
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; location of the test's operands within the caller.
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; ASM: # inline-seldag-test.c:2:0
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; ASM-NOT: .loc
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; ASM: testl
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; Function Attrs: nounwind uwtable
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define void @func() #0 !dbg !4 {
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entry:
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%y.addr.i = alloca i32, align 4
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%x = alloca i32, align 4
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call void @llvm.dbg.declare(metadata i32* %x, metadata !15, metadata !DIExpression()), !dbg !17
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%0 = load volatile i32, i32* %x, align 4, !dbg !18
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store i32 %0, i32* %y.addr.i, align 4
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call void @llvm.dbg.declare(metadata i32* %y.addr.i, metadata !19, metadata !DIExpression()), !dbg !20
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%1 = load i32, i32* %y.addr.i, align 4, !dbg !21
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%tobool.i = icmp ne i32 %1, 0, !dbg !21
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%cond.i = select i1 %tobool.i, i32 4, i32 7, !dbg !21
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store volatile i32 %cond.i, i32* %x, align 4, !dbg !18
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ret void, !dbg !22
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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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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!12, !13}
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!llvm.ident = !{!14}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "inline-seldag-test.c", directory: "/tmp/dbginfo")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "func", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 4, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: "inline-seldag-test.c", directory: "/tmp/dbginfo")
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!6 = !DISubroutineType(types: !7)
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!7 = !{null}
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!8 = distinct !DISubprogram(name: "f", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !9, variables: !2)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11, !11}
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!11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !{i32 2, !"Dwarf Version", i32 4}
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!13 = !{i32 1, !"Debug Info Version", i32 3}
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!14 = !{!"clang version 3.5.0 "}
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!15 = !DILocalVariable(name: "x", line: 5, scope: !4, file: !5, type: !16)
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!16 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !11)
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!17 = !DILocation(line: 5, scope: !4)
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!18 = !DILocation(line: 6, column: 7, scope: !4)
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!19 = !DILocalVariable(name: "y", line: 1, arg: 1, scope: !8, file: !5, type: !11)
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!20 = !DILocation(line: 1, scope: !8, inlinedAt: !18)
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!21 = !DILocation(line: 2, scope: !8, inlinedAt: !18)
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!22 = !DILocation(line: 7, scope: !4)
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