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move the pic base symbol stuff up to MachineFunction

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since it is trivial and will be shared between ppc and x86.
This substantially simplifies the X86 backend also.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119089 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-11-14 22:48:15 +00:00
parent 4fd0ea0166
commit 142b531e02
10 changed files with 24 additions and 46 deletions
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7
lib/CodeGen/MachineFunction.cpp
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@ -426,6 +426,13 @@ MCSymbol *MachineFunction::getJTISymbol(unsigned JTI, MCContext &Ctx,
return Ctx.GetOrCreateSymbol(Name.str());
}
/// getPICBaseSymbol - Return a function-local symbol to represent the PIC
/// base.
MCSymbol *MachineFunction::getPICBaseSymbol() const {
const MCAsmInfo &MAI = *Target.getMCAsmInfo();
return Ctx.GetOrCreateSymbol(Twine(MAI.getPrivateGlobalPrefix())+
Twine(getFunctionNumber())+"$pb");
}
//===----------------------------------------------------------------------===//
// MachineFrameInfo implementation