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Remove the DW_AT_MIPS_linkage name attribute when we don't need it

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output (we're emitting a specification already and the information
isn't changing).

Saves 1% on the debug information for a build of llvm.

Fixes rdar://11043421

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152697 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2012-03-14 02:59:17 +00:00
parent 69ccf9fc0b
commit fc7e9ef239
5 changed files with 66 additions and 11 deletions
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2
test/DebugInfo/X86/DW_AT_specification.ll
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@@ -4,7 +4,7 @@
; test that the DW_AT_specification is a back edge in the file.
; CHECK: 0x00000038: DW_TAG_subprogram [5] *
; CHECK: 0x0000005e: DW_AT_specification [DW_FORM_ref4] (cu + 0x0038 => {0x00000038})
; CHECK: 0x0000005a: DW_AT_specification [DW_FORM_ref4] (cu + 0x0038 => {0x00000038})
@_ZZN3foo3barEvE1x = constant i32 0, align 4

7
test/DebugInfo/X86/concrete_out_of_line.ll
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@@ -7,16 +7,15 @@
; first check that we have a TAG_subprogram at a given offset and it has
; AT_inline.
; CHECK: 0x00000130: DW_TAG_subprogram [18]
; CHECK-NEXT: DW_AT_MIPS_linkage_name
; CHECK: 0x0000012c: DW_TAG_subprogram [18]
; CHECK-NEXT: DW_AT_specification
; CHECK-NEXT: DW_AT_inline
; and then that a TAG_subprogram refers to it with AT_abstract_origin.
; CHECK: 0x00000180: DW_TAG_subprogram [20]
; CHECK-NEXT: DW_AT_abstract_origin [DW_FORM_ref4] (cu + 0x0130 => {0x00000130})
; CHECK: 0x00000170: DW_TAG_subprogram [20]
; CHECK-NEXT: DW_AT_abstract_origin [DW_FORM_ref4] (cu + 0x012c => {0x0000012c})
define i32 @_ZN17nsAutoRefCnt7ReleaseEv() {
entry:

2
test/DebugInfo/X86/pr11300.ll
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@@ -4,7 +4,7 @@
; test that the DW_AT_specification is a back edge in the file.
; CHECK: 0x0000005a: DW_TAG_subprogram [5]
; CHECK: 0x0000007a: DW_AT_specification [DW_FORM_ref4] (cu + 0x005a => {0x0000005a})
; CHECK: 0x00000076: DW_AT_specification [DW_FORM_ref4] (cu + 0x005a => {0x0000005a})
%struct.foo = type { i8 }