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, 5 insertions, 2 deletions

diff --git a/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmBackend.cpp b/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmBackend.cpp
index c4d546cb7df..d1aad2bcd16 100644
--- a/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmBackend.cpp
+++ b/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmBackend.cpp
@@ -112,7 +112,8 @@ bool SystemZMCAsmBackend::writeNopData(uint64_t Count,
 
 MCAsmBackend *llvm::createSystemZMCAsmBackend(const Target &T,
                                               const MCRegisterInfo &MRI,
-                                              const Triple &TT, StringRef CPU) {
+                                              const Triple &TT, StringRef CPU,
+                                              const MCTargetOptions &Options) {
   uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(TT.getOS());
   return new SystemZMCAsmBackend(OSABI);
 }
diff --git a/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h b/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h
index 0db48fe5a10..99d2b88595d 100644
--- a/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h
+++ b/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h
@@ -21,6 +21,7 @@ class MCInstrInfo;
 class MCObjectWriter;
 class MCRegisterInfo;
 class MCSubtargetInfo;
+class MCTargetOptions;
 class StringRef;
 class Target;
 class Triple;
@@ -85,7 +86,8 @@ MCCodeEmitter *createSystemZMCCodeEmitter(const MCInstrInfo &MCII,
 
 MCAsmBackend *createSystemZMCAsmBackend(const Target &T,
                                         const MCRegisterInfo &MRI,
-                                        const Triple &TT, StringRef CPU);
+                                        const Triple &TT, StringRef CPU,
+                                        const MCTargetOptions &Options);
 
 MCObjectWriter *createSystemZObjectWriter(raw_pwrite_stream &OS, uint8_t OSABI);
 } // end namespace llvm