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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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24
include/llvm/Target/TargetMachine.h
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@@ -14,6 +14,7 @@
#ifndef LLVM_TARGET_TARGETMACHINE_H
#define LLVM_TARGET_TARGETMACHINE_H
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/ADT/StringRef.h"
#include <cassert>
#include <string>
@@ -23,6 +24,7 @@ namespace llvm {
class InstrItineraryData;
class JITCodeEmitter;
class MCAsmInfo;
class MCCodeGenInfo;
class MCContext;
class Pass;
class PassManager;
@@ -41,16 +43,6 @@ class TargetSubtargetInfo;
class formatted_raw_ostream;
class raw_ostream;
// Relocation model types.
namespace Reloc {
enum Model {
Default,
Static,
PIC_, // Cannot be named PIC due to collision with -DPIC
DynamicNoPIC
};
}
// Code model types.
namespace CodeModel {
enum Model {
@@ -108,6 +100,10 @@ protected: // Can only create subclasses.
std::string TargetCPU;
std::string TargetFS;
/// CodeGenInfo - Low level target information such as relocation model.
///
const MCCodeGenInfo *CodeGenInfo;
/// AsmInfo - Contains target specific asm information.
///
const MCAsmInfo *AsmInfo;
@@ -214,11 +210,7 @@ public:
/// getRelocationModel - Returns the code generation relocation model. The
/// choices are static, PIC, and dynamic-no-pic, and target default.
static Reloc::Model getRelocationModel();
/// setRelocationModel - Sets the code generation relocation model.
///
static void setRelocationModel(Reloc::Model Model);
Reloc::Model getRelocationModel() const;
/// getCodeModel - Returns the code model. The choices are small, kernel,
/// medium, large, and target default.
@@ -309,7 +301,7 @@ public:
class LLVMTargetMachine : public TargetMachine {
protected: // Can only create subclasses.
LLVMTargetMachine(const Target &T, StringRef TargetTriple,
StringRef CPU, StringRef FS);
StringRef CPU, StringRef FS, Reloc::Model RM);
private:
/// addCommonCodeGenPasses - Add standard LLVM codegen passes used for