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Move the support for using .init_array from ARM to the generic

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TargetLoweringObjectFileELF. Use this to support it on X86. Unlike ARM,
on X86 it is not easy to find out if .init_array should be used or not, so
the decision is made via TargetOptions and defaults to off.

Add a command line option to llc that enables it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158692 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2012-06-19 00:48:28 +00:00
parent f6fc855a00
commit d6b43a317e
10 changed files with 99 additions and 54 deletions
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3
include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
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@ -33,6 +33,8 @@ namespace llvm {
class TargetLoweringObjectFileELF : public TargetLoweringObjectFile {
bool UseInitArray;
public:
virtual ~TargetLoweringObjectFileELF() {}
@ -66,6 +68,7 @@ public:
getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI) const;
void InitializeELF(bool UseInitArray_);
virtual const MCSection *
getStaticCtorSection(unsigned Priority = 65535) const;
virtual const MCSection *