[llvm-commits] [llvm-gcc-4.2] r84274 - /llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

[Evan Cheng]

Author: evancheng
Date: Fri Oct 16 16:07:29 2009
New Revision: 84274

URL: http://llvm.org/viewvc/llvm-project?rev=84274&view=rev
Log:
Match llvm CodeGenOpt change.

Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp?rev=84274&r1=84273&r2=84274&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp Fri Oct 16 16:07:29 2009
@@ -655,13 +655,14 @@
     FunctionPassManager *PM = PerFunctionPasses;    
     HasPerFunctionPasses = true;
 
-    CodeGenOpt::Level OptLevel = CodeGenOpt::Default;
-
-    switch (optimize) {
-    default: break;
-    case 0: OptLevel = CodeGenOpt::None; break;
-    case 3: OptLevel = CodeGenOpt::Aggressive; break;
-    }
+    CodeGenOpt::Level OptLevel = CodeGenOpt::Default;  // -O2, -Os, and -Oz
+    if (optimize == 0)
+      OptLevel = CodeGenOpt::None;
+    else if (optimize == 1)
+      OptLevel = CodeGenOpt::Less;
+    else if (optimize == 3)
+      // -O3 and above.
+      OptLevel = CodeGenOpt::Aggressive;
 
     // Normal mode, emit a .s file by running the code generator.
     // Note, this also adds codegenerator level optimization passes.