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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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27
lib/Target/TargetMachine.cpp
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@ -40,7 +40,6 @@ namespace llvm {
bool JITExceptionHandling;
bool JITEmitDebugInfo;
bool JITEmitDebugInfoToDisk;
Reloc::Model RelocationModel;
CodeModel::Model CMModel;
bool GuaranteedTailCallOpt;
unsigned StackAlignmentOverride;
@ -143,21 +142,6 @@ EmitJitDebugInfoToDisk("jit-emit-debug-to-disk",
cl::location(JITEmitDebugInfoToDisk),
cl::init(false));
static cl::opt<llvm::Reloc::Model, true>
DefRelocationModel("relocation-model",
cl::desc("Choose relocation model"),
cl::location(RelocationModel),
cl::init(Reloc::Default),
cl::values(
clEnumValN(Reloc::Default, "default",
"Target default relocation model"),
clEnumValN(Reloc::Static, "static",
"Non-relocatable code"),
clEnumValN(Reloc::PIC_, "pic",
"Fully relocatable, position independent code"),
clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic",
"Relocatable external references, non-relocatable code"),
clEnumValEnd));
static cl::opt<llvm::CodeModel::Model, true>
DefCodeModel("code-model",
cl::desc("Choose code model"),
@ -236,13 +220,10 @@ TargetMachine::~TargetMachine() {
/// getRelocationModel - Returns the code generation relocation model. The
/// choices are static, PIC, and dynamic-no-pic, and target default.
Reloc::Model TargetMachine::getRelocationModel() {
return RelocationModel;
}
/// setRelocationModel - Sets the code generation relocation model.
void TargetMachine::setRelocationModel(Reloc::Model Model) {
RelocationModel = Model;
Reloc::Model TargetMachine::getRelocationModel() const {
if (!CodeGenInfo)
return Reloc::Default;
return CodeGenInfo->getRelocationModel();
}
/// getCodeModel - Returns the code model. The choices are small, kernel,