[PATCH] D28409: Use CodegenOpts::less when creating a TargetMachine for clang `-O1`

[Mehdi AMINI via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL291276: Use CodegenOpts::less when creating a TargetMachine for clang `-O1` (authored by mehdi_amini).

Changed prior to commit:
  https://reviews.llvm.org/D28409?vs=83404&id=83408#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D28409

Files:
  cfe/trunk/lib/CodeGen/BackendUtil.cpp


Index: cfe/trunk/lib/CodeGen/BackendUtil.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp
@@ -519,11 +519,22 @@
            .Case("dynamic-no-pic", llvm::Reloc::DynamicNoPIC);
   assert(RM.hasValue() && "invalid PIC model!");
 
-  CodeGenOpt::Level OptLevel = CodeGenOpt::Default;
+  CodeGenOpt::Level OptLevel;
   switch (CodeGenOpts.OptimizationLevel) {
-  default: break;
-  case 0: OptLevel = CodeGenOpt::None; break;
-  case 3: OptLevel = CodeGenOpt::Aggressive; break;
+  default:
+    llvm_unreachable("Invalid optimization level!");
+  case 0:
+    OptLevel = CodeGenOpt::None;
+    break;
+  case 1:
+    OptLevel = CodeGenOpt::Less;
+    break;
+  case 2:
+    OptLevel = CodeGenOpt::Default;
+    break; // O2/Os/Oz
+  case 3:
+    OptLevel = CodeGenOpt::Aggressive;
+    break;
   }
 
   llvm::TargetOptions Options;


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