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Revert "Reapply r185872 now that the address sanitizer has been changed to support this."

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This reverts commit r187939. It broke an O0 build of a spec benchmark.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188012 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Arnold Schwaighofer 2013-08-08 21:04:16 +00:00
parent 81e8f39858
commit 9b19dfc2e0
2 changed files with 10 additions and 9 deletions
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12
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
View File

@ -524,14 +524,14 @@ const MCSection *TargetLoweringObjectFileMachO::
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
if (Kind.isText())
return TextSection;
// If this is weak/linkonce, put this in a read only or data section depending
// on whether or not it's writable.
return GV->isWeakForLinker() ? TextCoalSection : TextSection;
// If this is weak/linkonce, put this in a coalescable section, either in text
// or data depending on if it is writable.
if (GV->isWeakForLinker()) {
if (Kind.isReadOnly())
return ReadOnlySection;
return DataSection;
return ConstTextCoalSection;
return DataCoalSection;
}
// FIXME: Alignment check should be handled by section classifier.

7
test/CodeGen/X86/global-sections.ll
View File

@ -20,7 +20,7 @@
; TODO: linux drops this into .rodata, we drop it into ".gnu.linkonce.r.G2"
; DARWIN: .section __TEXT,__const{{$}}
; DARWIN: .section __TEXT,__const_coal,coalesced
; DARWIN: _G2:
; DARWIN: .long 42
@ -70,6 +70,7 @@
; LINUX: .weak foo_20_bar
; LINUX: foo_20_bar:
; DARWIN: .section __DATA,__datacoal_nt,coalesced
; DARWIN: .globl "_foo bar"
; DARWIN: .weak_definition "_foo bar"
; DARWIN: "_foo bar":
@ -84,7 +85,7 @@
; LINUX: .byte 1
; LINUX: .size G6, 1
; DARWIN: .section __TEXT,__const{{$}}
; DARWIN: .section __TEXT,__const_coal,coalesced
; DARWIN: .globl _G6
; DARWIN: .weak_definition _G6
; DARWIN:_G6:
@ -130,7 +131,7 @@
@G10 = weak global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=0]
; DARWIN: .section __DATA,__data{{$}}
; DARWIN: .section __DATA,__datacoal_nt,coalesced
; DARWIN: .globl _G10
; DARWIN: .weak_definition _G10
; DARWIN: .align 5