r347577 - [NFC] Replace magic numbers with CodeGenOpt enums

[Sam Parker via cfe-commits]

Author: sam_parker
Date: Mon Nov 26 09:26:49 2018
New Revision: 347577

URL: http://llvm.org/viewvc/llvm-project?rev=347577&view=rev
Log:
[NFC] Replace magic numbers with CodeGenOpt enums

Use enum values from llvm/Support/CodeGen.h for the optimisation
levels in CompilerInvocation.

Modified:
    cfe/trunk/lib/Frontend/CompilerInvocation.cpp

Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=347577&r1=347576&r2=347577&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Mon Nov 26 09:26:49 2018
@@ -120,25 +120,25 @@ CompilerInvocationBase::~CompilerInvocat
 
 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
                                      DiagnosticsEngine &Diags) {
-  unsigned DefaultOpt = 0;
+  unsigned DefaultOpt = llvm::CodeGenOpt::None;
   if (IK.getLanguage() == InputKind::OpenCL && !Args.hasArg(OPT_cl_opt_disable))
-    DefaultOpt = 2;
+    DefaultOpt = llvm::CodeGenOpt::Default;
 
   if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
     if (A->getOption().matches(options::OPT_O0))
-      return 0;
+      return llvm::CodeGenOpt::None;
 
     if (A->getOption().matches(options::OPT_Ofast))
-      return 3;
+      return llvm::CodeGenOpt::Aggressive;
 
     assert(A->getOption().matches(options::OPT_O));
 
     StringRef S(A->getValue());
     if (S == "s" || S == "z" || S.empty())
-      return 2;
+      return llvm::CodeGenOpt::Default;
 
     if (S == "g")
-      return 1;
+      return llvm::CodeGenOpt::Less;
 
     return getLastArgIntValue(Args, OPT_O, DefaultOpt, Diags);
   }