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4a5feedcaa
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.
llvm-svn: 226048
93 lines
4.1 KiB
LLVM
93 lines
4.1 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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; Generate from clang with the following source. Note that the definition of
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; the inline function follows its use to workaround another bug that should be
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; fixed soon.
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; namespace ns {
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; int func(int i);
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; }
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; extern int x;
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; int main() { return ns::func(x); }
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; int __attribute__((always_inline)) ns::func(int i) { return i * 2; }
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; CHECK: DW_TAG_namespace
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; CHECK-NEXT: DW_AT_name {{.*}} "ns"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN2ns4funcEi"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK: NULL
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_abstract_origin {{.*}} "_ZN2ns4funcEi"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK: DW_AT_abstract_origin {{.*}} "i"
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; CHECK: NULL
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; CHECK: NULL
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; CHECK: NULL
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@x = external global i32
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; Function Attrs: uwtable
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define i32 @main() #0 {
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entry:
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%i.addr.i = alloca i32, align 4
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%retval = alloca i32, align 4
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store i32 0, i32* %retval
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%0 = load i32* @x, align 4, !dbg !16
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store i32 %0, i32* %i.addr.i, align 4
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call void @llvm.dbg.declare(metadata i32* %i.addr.i, metadata !17, metadata !{!"0x102"}), !dbg !18
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%1 = load i32* %i.addr.i, align 4, !dbg !18
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%mul.i = mul nsw i32 %1, 2, !dbg !18
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ret i32 %mul.i, !dbg !16
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}
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; Function Attrs: alwaysinline nounwind uwtable
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define i32 @_ZN2ns4funcEi(i32 %i) #1 {
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entry:
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%i.addr = alloca i32, align 4
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store i32 %i, i32* %i.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !17, metadata !{!"0x102"}), !dbg !19
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%0 = load i32* %i.addr, align 4, !dbg !19
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%mul = mul nsw i32 %0, 2, !dbg !19
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ret i32 %mul, !dbg !19
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
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attributes #0 = { 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 = { alwaysinline 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 #2 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!13, !14}
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!llvm.ident = !{!15}
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!0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/namespace_inline_function_definition.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"namespace_inline_function_definition.cpp", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4, !9}
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!4 = !{!"0x2e\00main\00main\00\005\000\001\000\006\00256\000\005", !1, !5, !6, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [main]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/namespace_inline_function_definition.cpp]
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!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{!8}
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!8 = !{!"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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!9 = !{!"0x2e\00func\00func\00_ZN2ns4funcEi\006\000\001\000\006\00256\000\006", !1, !10, !11, null, i32 (i32)* @_ZN2ns4funcEi, null, null, !2} ; [ DW_TAG_subprogram ] [line 6] [def] [func]
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!10 = !{!"0x39\00ns\001", !1, null} ; [ DW_TAG_namespace ] [ns] [line 1]
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!11 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!12 = !{!8, !8}
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!13 = !{i32 2, !"Dwarf Version", i32 4}
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!14 = !{i32 2, !"Debug Info Version", i32 2}
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!15 = !{!"clang version 3.5.0 "}
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!16 = !MDLocation(line: 5, scope: !4)
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!17 = !{!"0x101\00i\0016777222\000", !9, !5, !8} ; [ DW_TAG_arg_variable ] [i] [line 6]
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!18 = !MDLocation(line: 6, scope: !9, inlinedAt: !16)
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!19 = !MDLocation(line: 6, scope: !9)
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