[RISCV] Fix unused variable in RISCVMCTargetDesc. NFC

Also, for better uniformity use TargetRegistry::RegisterMCAsmInfo rather than 
RegisterMCAsmInfoFn. Again, no functional change.

llvm-svn: 295026

1 files changed, 2 insertions, 3 deletions

diff --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCTargetDesc.cpp b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCTargetDesc.cpp
index 4fc69a7fcab..41be0a2084b 100644
--- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCTargetDesc.cpp
+++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCTargetDesc.cpp
@@ -44,13 +44,12 @@ static MCRegisterInfo *createRISCVMCRegisterInfo(const Triple &TT) {
 
 static MCAsmInfo *createRISCVMCAsmInfo(const MCRegisterInfo &MRI,
                                        const Triple &TT) {
-  MCAsmInfo *MAI = new RISCVMCAsmInfo(TT);
-  return MAI;
+  return new RISCVMCAsmInfo(TT);
 }
 
 extern "C" void LLVMInitializeRISCVTargetMC() {
   for (Target *T : {&getTheRISCV32Target(), &getTheRISCV64Target()}) {
-    RegisterMCAsmInfoFn X(*T, createRISCVMCAsmInfo);
+    TargetRegistry::RegisterMCAsmInfo(*T, createRISCVMCAsmInfo);
     TargetRegistry::RegisterMCInstrInfo(*T, createRISCVMCInstrInfo);
     TargetRegistry::RegisterMCRegInfo(*T, createRISCVMCRegisterInfo);
     TargetRegistry::RegisterMCAsmBackend(*T, createRISCVAsmBackend);