Address MaskRay's comment

Author: kito-cheng

llvm/lib/IR/Module.cpp

@@ -917,7 +917,7 @@ void Module::setDarwinTargetVariantSDKVersion(VersionTuple Version) {
 }
 
 StringRef Module::getTargetABIFromMD() {
-  StringRef TargetABI = "";
+  StringRef TargetABI;
   if (auto *TargetABIMD =
           dyn_cast_or_null<MDString>(getModuleFlag("target-abi")))
     TargetABI = TargetABIMD->getString();

llvm/lib/LTO/LTOBackend.cpp

@@ -222,7 +222,6 @@ createTargetMachine(const Config &Conf, const Target *TheTarget, Module &M) {
     CodeModel = M.getCodeModel();
 
   TargetOptions TargetOpts = Conf.Options;
-
   if (TargetOpts.MCOptions.ABIName.empty()) {
     StringRef ModABI = M.getTargetABIFromMD();
     if (!ModABI.empty()) {

llvm/test/LTO/RISCV/lit.local.cfg

@@ -1,2 +1,2 @@
-if not "RISCV" in config.root.targets:
+if "RISCV" not in config.root.targets:
     config.unsupported = True

llvm/test/LTO/RISCV/riscv-ilp32e.ll

@@ -1,9 +1,7 @@
 ; Check that we don't crash on DataLayout incompatibility issue.
-;
 ; RUN: llvm-as %s -o %t.o
 ; RUN: llvm-lto2 run -r %t.o,_start %t.o -o %t.elf
 ; RUN: llvm-readobj -h %t.elf.0 | FileCheck %s --check-prefixes=CHECK
-;
 ; CHECK:  Machine: EM_RISCV (0xF3)
 ; CHECK:  EF_RISCV_RVE (0x8)