Changed Opts.EABIVersion type string to llvm::EABI enum class

Summary:
Changed EABIVersion type from string to llvm::EABI.
It seems it was just a typo and this is intended implementation.

Differential Revision: https://reviews.llvm.org/D34595

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@306953 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Basic/TargetOptions.h

@@ -18,6 +18,7 @@
 #include <string>
 #include <vector>
 #include "clang/Basic/OpenCLOptions.h"
+#include "llvm/Target/TargetOptions.h"
 
 namespace clang {
 
@@ -41,7 +42,7 @@ class TargetOptions {
   std::string ABI;
 
   /// The EABI version to use
-  std::string EABIVersion;
+  llvm::EABI EABIVersion;
 
   /// If given, the version string of the linker in use.
   std::string LinkerVersion;

lib/Basic/Targets.cpp

@@ -5443,7 +5443,7 @@ class ARMTargetInfo : public TargetInfo {
     if (Triple.getOS() == llvm::Triple::Linux ||
         Triple.getOS() == llvm::Triple::UnknownOS)
       this->MCountName =
-          Opts.EABIVersion == "gnu" ? "\01__gnu_mcount_nc" : "\01mcount";
+          Opts.EABIVersion == llvm::EABI::GNU ? "\01__gnu_mcount_nc" : "\01mcount";
   }
 
   StringRef getABI() const override { return ABI; }
@@ -6283,7 +6283,7 @@ class AArch64TargetInfo : public TargetInfo {
     if (Triple.getOS() == llvm::Triple::Linux)
       this->MCountName = "\01_mcount";
     else if (Triple.getOS() == llvm::Triple::UnknownOS)
-      this->MCountName = Opts.EABIVersion == "gnu" ? "\01_mcount" : "mcount";
+      this->MCountName = Opts.EABIVersion == llvm::EABI::GNU ? "\01_mcount" : "mcount";
   }
 
   StringRef getABI() const override { return ABI; }

lib/CodeGen/BackendUtil.cpp

@@ -415,11 +415,7 @@ static void initTargetOptions(llvm::TargetOptions &Options,
   Options.RelaxELFRelocations = CodeGenOpts.RelaxELFRelocations;
 
   // Set EABI version.
-  Options.EABIVersion = llvm::StringSwitch<llvm::EABI>(TargetOpts.EABIVersion)
-                            .Case("4", llvm::EABI::EABI4)
-                            .Case("5", llvm::EABI::EABI5)
-                            .Case("gnu", llvm::EABI::GNU)
-                            .Default(llvm::EABI::Default);
+  Options.EABIVersion = TargetOpts.EABIVersion;
 
   if (LangOpts.SjLjExceptions)
     Options.ExceptionModel = llvm::ExceptionHandling::SjLj;

lib/Frontend/CompilerInvocation.cpp

@@ -2568,7 +2568,7 @@ static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args,
       Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args)
                                                 << Value;
     else
-      Opts.EABIVersion = Value;
+      Opts.EABIVersion = EABIVersion;
   }
   Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
   Opts.FPMath = Args.getLastArgValue(OPT_mfpmath);