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Update getSectionForConstant() to to allow mergable sections to be nulled out

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if not supported by the ELF subtarget.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79249 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Osborne
2009-08-17 16:37:11 +00:00
parent fac8541dd4
commit 2a5e23b44d
2 changed files with 14 additions and 3 deletions
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6
lib/Target/TargetLoweringObjectFile.cpp
View File

@ -609,11 +609,11 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
/// should be placed in. /// should be placed in.
const MCSection *TargetLoweringObjectFileELF:: const MCSection *TargetLoweringObjectFileELF::
getSectionForConstant(SectionKind Kind) const { getSectionForConstant(SectionKind Kind) const {
if (Kind.isMergeableConst4()) if (Kind.isMergeableConst4() && MergeableConst4Section)
return MergeableConst4Section; return MergeableConst4Section;
if (Kind.isMergeableConst8()) if (Kind.isMergeableConst8() && MergeableConst8Section)
return MergeableConst8Section; return MergeableConst8Section;
if (Kind.isMergeableConst16()) if (Kind.isMergeableConst16() && MergeableConst16Section)
return MergeableConst16Section; return MergeableConst16Section;
if (Kind.isReadOnly()) if (Kind.isReadOnly())
return ReadOnlySection; return ReadOnlySection;

11
test/CodeGen/XCore/constants.ll Normal file
View File

@ -0,0 +1,11 @@
; RUN: llvm-as < %s | llc -march=xcore -mcpu=xs1b-generic | FileCheck %s
; CHECK: .section .cp.rodata,"ac",@progbits
; CHECK: .LCPI1_0:
; CHECK: .long 12345678
; CHECK: f:
; CHECK: ldw r0, cp[.LCPI1_0]
define i32 @f() {
entry:
ret i32 12345678
}