Introduce MCCodeGenInfo, which keeps information that can affect codegen

(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

3 files changed, 18 insertions, 8 deletions

diff --git a/lib/Target/Alpha/AlphaTargetMachine.cpp b/lib/Target/Alpha/AlphaTargetMachine.cpp
index 3b65d41be8..4cdd3ab483 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.cpp
+++ b/lib/Target/Alpha/AlphaTargetMachine.cpp
@@ -22,19 +22,17 @@ extern "C" void LLVMInitializeAlphaTarget() {
   RegisterTargetMachine<AlphaTargetMachine> X(TheAlphaTarget);
 }
 
-AlphaTargetMachine::AlphaTargetMachine(const Target &T, const std::string &TT,
-                                       const std::string &CPU,
-                                       const std::string &FS)
-  : LLVMTargetMachine(T, TT, CPU, FS),
+AlphaTargetMachine::AlphaTargetMachine(const Target &T, StringRef TT,
+                                       StringRef CPU,
+                                       StringRef FS, Reloc::Model RM)
+  : LLVMTargetMachine(T, TT, CPU, FS, RM),
     DataLayout("e-f128:128:128-n64"),
     FrameLowering(Subtarget),
     Subtarget(TT, CPU, FS),
     TLInfo(*this),
     TSInfo(*this) {
-  setRelocationModel(Reloc::PIC_);
 }
 
-
 //===----------------------------------------------------------------------===//
 // Pass Pipeline Configuration
 //===----------------------------------------------------------------------===//
diff --git a/lib/Target/Alpha/AlphaTargetMachine.h b/lib/Target/Alpha/AlphaTargetMachine.h
index cf00e5875d..1d930d0a5c 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.h
+++ b/lib/Target/Alpha/AlphaTargetMachine.h
@@ -36,8 +36,8 @@ class AlphaTargetMachine : public LLVMTargetMachine {
   AlphaSelectionDAGInfo TSInfo;
 
 public:
-  AlphaTargetMachine(const Target &T, const std::string &TT,
-                     const std::string &CPU, const std::string &FS);
+  AlphaTargetMachine(const Target &T, StringRef TT,
+                     StringRef CPU, StringRef FS, Reloc::Model RM);
 
   virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }
   virtual const TargetFrameLowering  *getFrameLowering() const {
diff --git a/lib/Target/Alpha/MCTargetDesc/AlphaMCTargetDesc.cpp b/lib/Target/Alpha/MCTargetDesc/AlphaMCTargetDesc.cpp
index 691b1aa89b..04bc434862 100644
--- a/lib/Target/Alpha/MCTargetDesc/AlphaMCTargetDesc.cpp
+++ b/lib/Target/Alpha/MCTargetDesc/AlphaMCTargetDesc.cpp
@@ -65,3 +65,15 @@ extern "C" void LLVMInitializeAlphaMCSubtargetInfo() {
 extern "C" void LLVMInitializeAlphaMCAsmInfo() {
   RegisterMCAsmInfo<AlphaMCAsmInfo> X(TheAlphaTarget);
 }
+
+MCCodeGenInfo *createAlphaMCCodeGenInfo(StringRef TT, Reloc::Model RM) {
+  MCCodeGenInfo *X = new MCCodeGenInfo();
+  X->InitMCCodeGenInfo(Reloc::PIC_);
+  return X;
+}
+
+extern "C" void LLVMInitializeAlphaMCCodeGenInfo() {
+  TargetRegistry::RegisterMCCodeGenInfo(TheAlphaTarget,
+                                        createAlphaMCCodeGenInfo);
+}
+