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37ac8d3622
This commit moves `MDLocation`, finishing off PR21433. There's an
accompanying clang commit for frontend testcases. I'll attach the
testcase upgrade script I used to PR21433 to help out-of-tree
frontends/backends.
This changes the schema for `DebugLoc` and `DILocation` from:
!{i32 3, i32 7, !7, !8}
to:
!MDLocation(line: 3, column: 7, scope: !7, inlinedAt: !8)
Note that empty fields (line/column: 0 and inlinedAt: null) don't get
printed by the assembly writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226048 91177308-0d34-0410-b5e6-96231b3b80d8
74 lines
3.1 KiB
LLVM
74 lines
3.1 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; Built from source:
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; $ clang++ a.cpp b.cpp -g -c -emit-llvm
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; $ llvm-link a.bc b.bc -o ab.bc
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; $ cat a.cpp
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; # 1 "func.h"
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; inline int func(int i) {
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; return i * 2;
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; }
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; int (*x)(int) = &func;
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; $ cat b.cpp
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; # 1 "func.h"
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; inline int func(int i) {
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; return i * 2;
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; }
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; int (*y)(int) = &func;
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "func"
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; CHECK: DW_TAG_compile_unit
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; CHECK-NOT: DW_TAG_subprogram
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@x = global i32 (i32)* @_Z4funci, align 8
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@y = global i32 (i32)* @_Z4funci, align 8
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; Function Attrs: inlinehint nounwind uwtable
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define linkonce_odr i32 @_Z4funci(i32 %i) #0 {
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%1 = alloca i32, align 4
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store i32 %i, i32* %1, align 4
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call void @llvm.dbg.declare(metadata i32* %1, metadata !20, metadata !{!"0x102"}), !dbg !21
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%2 = load i32* %1, align 4, !dbg !22
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%3 = mul nsw i32 %2, 2, !dbg !22
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ret i32 %3, !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 = { inlinehint 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, !13}
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!llvm.module.flags = !{!17, !18}
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!llvm.ident = !{!19, !19}
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!0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !10, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/a.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"a.cpp", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x2e\00func\00func\00_Z4funci\001\000\001\000\006\00256\000\001", !5, !6, !7, null, i32 (i32)* @_Z4funci, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [func]
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!5 = !{!"func.h", !"/tmp/dbginfo"}
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!6 = !{!"0x29", !5} ; [ DW_TAG_file_type ] [/tmp/dbginfo/func.h]
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!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = !{!9, !9}
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!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!10 = !{!11}
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!11 = !{!"0x34\00x\00x\00\004\000\001", null, !6, !12, i32 (i32)** @x, null} ; [ DW_TAG_variable ] [x] [line 4] [def]
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!12 = !{!"0xf\00\000\0064\0064\000\000", null, null, !7} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
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!13 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !14, !2, !2, !3, !15, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/b.cpp] [DW_LANG_C_plus_plus]
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!14 = !{!"b.cpp", !"/tmp/dbginfo"}
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!15 = !{!16}
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!16 = !{!"0x34\00y\00y\00\004\000\001", null, !6, !12, i32 (i32)** @y, null} ; [ DW_TAG_variable ] [y] [line 4] [def]
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!17 = !{i32 2, !"Dwarf Version", i32 4}
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!18 = !{i32 1, !"Debug Info Version", i32 2}
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!19 = !{!"clang version 3.5.0 "}
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!20 = !{!"0x101\00i\0016777217\000", !4, !6, !9} ; [ DW_TAG_arg_variable ] [i] [line 1]
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!21 = !MDLocation(line: 1, scope: !4)
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!22 = !MDLocation(line: 2, scope: !4)
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