MC] Provide an MCTargetOptions to implementors of MCAsmBackendCtorTy, NFC

Some targets, notably AArch64 for ILP32, have different relocation encodings
based upon the ABI. This is an enabling change, so a future patch can use the
ABIName from MCTargetOptions to chose which relocations to use. Tested using
check-llvm.

The corresponding change to clang is in: http://reviews.llvm.org/D16538

Patch by: Joel Jones

Differential Revision: https://reviews.llvm.org/D16213

llvm-svn: 276654

2 files changed, 17 insertions, 8 deletions

diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index 8292d6b4c55..550c2894695 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -482,27 +482,31 @@ void MipsAsmBackend::processFixupValue(const MCAssembler &Asm,
 // MCAsmBackend
 MCAsmBackend *llvm::createMipsAsmBackendEL32(const Target &T,
                                              const MCRegisterInfo &MRI,
-                                             const Triple &TT, StringRef CPU) {
+                                             const Triple &TT, StringRef CPU,
+                                             const MCTargetOptions &Options) {
   return new MipsAsmBackend(T, TT.getOS(), /*IsLittle*/ true,
                             /*Is64Bit*/ false);
 }
 
 MCAsmBackend *llvm::createMipsAsmBackendEB32(const Target &T,
                                              const MCRegisterInfo &MRI,
-                                             const Triple &TT, StringRef CPU) {
+                                             const Triple &TT, StringRef CPU,
+                                             const MCTargetOptions &Options) {
   return new MipsAsmBackend(T, TT.getOS(), /*IsLittle*/ false,
                             /*Is64Bit*/ false);
 }
 
 MCAsmBackend *llvm::createMipsAsmBackendEL64(const Target &T,
                                              const MCRegisterInfo &MRI,
-                                             const Triple &TT, StringRef CPU) {
+                                             const Triple &TT, StringRef CPU,
+                                             const MCTargetOptions &Options) {
   return new MipsAsmBackend(T, TT.getOS(), /*IsLittle*/ true, /*Is64Bit*/ true);
 }
 
 MCAsmBackend *llvm::createMipsAsmBackendEB64(const Target &T,
                                              const MCRegisterInfo &MRI,
-                                             const Triple &TT, StringRef CPU) {
+                                             const Triple &TT, StringRef CPU,
+                                             const MCTargetOptions &Options) {
   return new MipsAsmBackend(T, TT.getOS(), /*IsLittle*/ false,
                             /*Is64Bit*/ true);
 }
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h b/llvm/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h
index 4069d7d184e..0458c644a17 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h
@@ -24,6 +24,7 @@ class MCInstrInfo;
 class MCObjectWriter;
 class MCRegisterInfo;
 class MCSubtargetInfo;
+class MCTargetOptions;
 class StringRef;
 class Target;
 class Triple;
@@ -44,16 +45,20 @@ MCCodeEmitter *createMipsMCCodeEmitterEL(const MCInstrInfo &MCII,
 
 MCAsmBackend *createMipsAsmBackendEB32(const Target &T,
                                        const MCRegisterInfo &MRI,
-                                       const Triple &TT, StringRef CPU);
+                                       const Triple &TT, StringRef CPU,
+                                       const MCTargetOptions &Options);
 MCAsmBackend *createMipsAsmBackendEL32(const Target &T,
                                        const MCRegisterInfo &MRI,
-                                       const Triple &TT, StringRef CPU);
+                                       const Triple &TT, StringRef CPU,
+                                       const MCTargetOptions &Options);
 MCAsmBackend *createMipsAsmBackendEB64(const Target &T,
                                        const MCRegisterInfo &MRI,
-                                       const Triple &TT, StringRef CPU);
+                                       const Triple &TT, StringRef CPU,
+                                       const MCTargetOptions &Options);
 MCAsmBackend *createMipsAsmBackendEL64(const Target &T,
                                        const MCRegisterInfo &MRI,
-                                       const Triple &TT, StringRef CPU);
+                                       const Triple &TT, StringRef CPU,
+                                       const MCTargetOptions &Options);
 
 MCObjectWriter *createMipsELFObjectWriter(raw_pwrite_stream &OS, uint8_t OSABI,
                                           bool IsLittleEndian, bool Is64Bit);