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Introduce MCCodeGenInfo, which keeps information that can affect codegen

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(including compilation, assembly). Move relocation model Reloc::Model from
TargetMachine to MCCodeGenInfo so it's accessible even without TargetMachine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135468 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2011-07-19 06:37:02 +00:00
parent 939ece1b5c
commit 439661395f
74 changed files with 641 additions and 314 deletions
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19
lib/Target/Mips/MipsTargetMachine.cpp
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@@ -31,10 +31,10 @@ extern "C" void LLVMInitializeMipsTarget() {
// an easier handling.
// Using CodeModel::Large enables different CALL behavior.
MipsTargetMachine::
MipsTargetMachine(const Target &T, const std::string &TT,
const std::string &CPU, const std::string &FS,
MipsTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS, Reloc::Model RM,
bool isLittle=false):
LLVMTargetMachine(T, TT, CPU, FS),
LLVMTargetMachine(T, TT, CPU, FS, RM),
Subtarget(TT, CPU, FS, isLittle),
DataLayout(isLittle ?
std::string("e-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32") :
@@ -42,19 +42,12 @@ MipsTargetMachine(const Target &T, const std::string &TT,
InstrInfo(*this),
FrameLowering(Subtarget),
TLInfo(*this), TSInfo(*this) {
// Abicall enables PIC by default
if (getRelocationModel() == Reloc::Default) {
if (Subtarget.isABI_O32())
setRelocationModel(Reloc::PIC_);
else
setRelocationModel(Reloc::Static);
}
}
MipselTargetMachine::
MipselTargetMachine(const Target &T, const std::string &TT,
const std::string &CPU, const std::string &FS) :
MipsTargetMachine(T, TT, CPU, FS, true) {}
MipselTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS, Reloc::Model RM) :
MipsTargetMachine(T, TT, CPU, FS, RM, true) {}
// Install an instruction selector pass using
// the ISelDag to gen Mips code.