[cfe-commits] r58361 - in /cfe/trunk: Driver/clang.cpp include/clang/Driver/CompileOptions.h

[Daniel Dunbar]

Author: ddunbar
Date: Tue Oct 28 22:42:18 2008
New Revision: 58361

URL: http://llvm.org/viewvc/llvm-project?rev=58361&view=rev
Log:
Choose CompileOptions (optimization passes) to match llvm-gcc more
closely.

Modified:
    cfe/trunk/Driver/clang.cpp
    cfe/trunk/include/clang/Driver/CompileOptions.h

Modified: cfe/trunk/Driver/clang.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Driver/clang.cpp?rev=58361&r1=58360&r2=58361&view=diff

==============================================================================
--- cfe/trunk/Driver/clang.cpp (original)
+++ cfe/trunk/Driver/clang.cpp Tue Oct 28 22:42:18 2008
@@ -1142,7 +1142,11 @@
 static void InitializeCompileOptions(CompileOptions &Opts) {
   Opts.OptimizationLevel = OptLevel;
   Opts.OptimizeSize = OptSize;
-  // FIXME: Wire other options.
+
+  // FIXME: There are llvm-gcc options to control these selectively.
+  Opts.InlineFunctions = (Opts.OptimizationLevel > 1);
+  Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !OptSize);
+  Opts.SimplifyLibCalls = 1;
 }
 
 //===----------------------------------------------------------------------===//

Modified: cfe/trunk/include/clang/Driver/CompileOptions.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CompileOptions.h?rev=58361&r1=58360&r2=58361&view=diff

==============================================================================
--- cfe/trunk/include/clang/Driver/CompileOptions.h (original)
+++ cfe/trunk/include/clang/Driver/CompileOptions.h Tue Oct 28 22:42:18 2008
@@ -34,8 +34,8 @@
   CompileOptions() {
     OptimizationLevel = 0;
     OptimizeSize = 0;
-    UnitAtATime = InlineFunctions = SimplifyLibCalls = 1;
-    UnrollLoops = 1;
+    UnitAtATime = 1;
+    InlineFunctions = SimplifyLibCalls = UnrollLoops = 0;
     VerifyModule = 1;
   }
 };