DriverTool,IRGen: Address llvm::Target::createTargetMachine overload deprecation

See llvm/llvm-project#130940.

Author: AnthonyLatsis

lib/DriverTool/swift_llvm_opt_main.cpp

@@ -135,7 +135,7 @@ getTargetMachine(llvm::Triple TheTriple, StringRef CPUStr,
   }
 
   return TheTarget->createTargetMachine(
-      TheTriple.getTriple(), CPUStr, FeaturesStr, targetOptions,
+      TheTriple, CPUStr, FeaturesStr, targetOptions,
       std::optional<llvm::Reloc::Model>(llvm::codegen::getExplicitRelocModel()),
       llvm::codegen::getExplicitCodeModel(), GetCodeGenOptLevel(options));
 }

lib/IRGen/IRGen.cpp

@@ -1061,7 +1061,7 @@ swift::createTargetMachine(const IRGenOptions &Opts, ASTContext &Ctx) {
 
   // Create a target machine.
   llvm::TargetMachine *TargetMachine = Target->createTargetMachine(
-      EffectiveTriple.str(), CPU, targetFeatures, TargetOpts, Reloc::PIC_,
+      EffectiveTriple, CPU, targetFeatures, TargetOpts, Reloc::PIC_,
       cmodel, OptLevel);
   if (!TargetMachine) {
     Ctx.Diags.diagnose(SourceLoc(), diag::no_llvm_target,