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Use DW_AT_linkage_name when we're emitting DWARF4 or above.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203867 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-03-13 23:26:25 +00:00
parent 1f21e0dd0d
commit 70506c5fdd
2 changed files with 19 additions and 18 deletions
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3
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
View File

@ -1651,7 +1651,8 @@ void DwarfCompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
// TAG_variable.
addString(IsStaticMember && VariableSpecDIE ? VariableSpecDIE
: VariableDIE,
dwarf::DW_AT_MIPS_linkage_name,
DD->getDwarfVersion() >= 4 ? dwarf::DW_AT_linkage_name
: dwarf::DW_AT_MIPS_linkage_name,
GlobalValue::getRealLinkageName(LinkageName));
} else if (const ConstantInt *CI =
dyn_cast_or_null<ConstantInt>(GV.getConstant())) {

34
test/DebugInfo/X86/debug-info-static-member.ll
View File

@ -1,7 +1,7 @@
; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-unknown-linux-gnu
; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-unknown-linux-gnu -dwarf-version=4
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=PRESENT
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=ABSENT
; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-apple-darwin
; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-apple-darwin -dwarf-version=4
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=DARWINP
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=DARWINA
; Verify that attributes we do want are PRESENT;
@ -133,15 +133,15 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
; PRESENT: DW_TAG_variable
; PRESENT-NEXT: DW_AT_specification {{.*}} {0x[[DECL_A]]}
; PRESENT-NEXT: DW_AT_location
; PRESENT-NEXT: DW_AT_MIPS_linkage_name {{.*}} "_ZN1C1aE"
; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE"
; PRESENT: DW_TAG_variable
; PRESENT-NEXT: DW_AT_specification {{.*}} {0x[[DECL_B]]}
; PRESENT-NEXT: DW_AT_location
; PRESENT-NEXT: DW_AT_MIPS_linkage_name {{.*}} "_ZN1C1bE"
; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE"
; PRESENT: DW_TAG_variable
; PRESENT-NEXT: DW_AT_specification {{.*}} {0x[[DECL_C]]}
; PRESENT-NEXT: DW_AT_location
; PRESENT-NEXT: DW_AT_MIPS_linkage_name {{.*}} "_ZN1C1cE"
; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE"
; For Darwin gdb:
; DARWINP: .debug_info contents:
@ -183,19 +183,19 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
; DARWINP: DW_TAG_variable
; DARWINP-NEXT: DW_AT_specification {{.*}} {0x[[DECL_A]]}
; DARWINP-NEXT: DW_AT_location
; DARWINP-NEXT: DW_AT_MIPS_linkage_name {{.*}} "_ZN1C1aE"
; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE"
; DARWINP: DW_TAG_variable
; DARWINP-NEXT: DW_AT_specification {{.*}} {0x[[DECL_B]]}
; DARWINP-NEXT: DW_AT_location
; DARWINP-NEXT: DW_AT_MIPS_linkage_name {{.*}} "_ZN1C1bE"
; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE"
; DARWINP: DW_TAG_variable
; DARWINP-NEXT: DW_AT_specification {{.*}} {0x[[DECL_C]]}
; DARWINP-NEXT: DW_AT_location
; DARWINP-NEXT: DW_AT_MIPS_linkage_name {{.*}} "_ZN1C1cE"
; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE"
; ABSENT verifies that static member declarations do not have either
; DW_AT_location or DW_AT_data_member_location; also, variables do not
; have DW_AT_const_value and constants do not have DW_AT_MIPS_linkage_name.
; have DW_AT_const_value and constants do not have DW_AT_linkage_name.
;
; ABSENT: .debug_info contents:
; ABSENT: DW_TAG_member
@ -203,24 +203,24 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
; ABSENT-NOT: DW_AT_const_value
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "const_a"
; ABSENT-NOT: DW_AT_MIPS_linkage_name
; ABSENT-NOT: DW_AT_linkage_name
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "b"
; ABSENT-NOT: DW_AT_const_value
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "const_b"
; ABSENT-NOT: DW_AT_MIPS_linkage_name
; ABSENT-NOT: DW_AT_linkage_name
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "c"
; ABSENT-NOT: DW_AT_const_value
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "const_c"
; ABSENT-NOT: DW_AT_MIPS_linkage_name
; ABSENT-NOT: DW_AT_linkage_name
; ABSENT-NOT: location
; While we're here, a normal member does not have a linkage name, constant
; value, or DW_AT_location.
; ABSENT: DW_AT_name {{.*}} "d"
; ABSENT-NOT: DW_AT_MIPS_linkage_name
; ABSENT-NOT: DW_AT_linkage_name
; ABSENT-NOT: DW_AT_const_value
; ABSENT-NOT: DW_AT_location
; ABSENT: NULL
@ -232,24 +232,24 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
; DARWINA-NOT: DW_AT_const_value
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "const_a"
; DARWINA-NOT: DW_AT_MIPS_linkage_name
; DARWINA-NOT: DW_AT_linkage_name
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "b"
; DARWINA-NOT: DW_AT_const_value
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "const_b"
; DARWINA-NOT: DW_AT_MIPS_linkage_name
; DARWINA-NOT: DW_AT_linkage_name
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "c"
; DARWINA-NOT: DW_AT_const_value
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "const_c"
; DARWINA-NOT: DW_AT_MIPS_linkage_name
; DARWINA-NOT: DW_AT_linkage_name
; DARWINA-NOT: location
; While we're here, a normal member does not have a linkage name, constant
; value, or DW_AT_location.
; DARWINA: DW_AT_name {{.*}} "d"
; DARWINA-NOT: DW_AT_MIPS_linkage_name
; DARWINA-NOT: DW_AT_linkage_name
; DARWINA-NOT: DW_AT_const_value
; DARWINA-NOT: DW_AT_location
; DARWINA: NULL