[llvm-commits] [llvm-gcc-4.2] r51627 - /llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

[Evan Cheng]

Author: evancheng
Date: Tue May 27 19:54:38 2008
New Revision: 51627

URL: http://llvm.org/viewvc/llvm-project?rev=51627&view=rev
Log:
For now, reduce inline-threshold to 50 and disable taildup when optimizing for size.

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=51627&r1=51626&r2=51627&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp Tue May 27 19:54:38 2008
@@ -130,7 +130,7 @@
     Args.push_back("--debug-pass=Arguments");
   if (optimize_size || flag_inline_trees == 1)
     // Reduce inline limit. Default limit is 200.
-    Args.push_back("--inline-threshold=100");
+    Args.push_back("--inline-threshold=50");
   if (flag_unwind_tables)
     Args.push_back("--unwind-tables");
 
@@ -357,7 +357,8 @@
       PM->add(createFunctionInliningPass());    // Inline small functions
     if (optimize > 2)
       PM->add(createArgumentPromotionPass());   // Scalarize uninlined fn args
-    PM->add(createTailDuplicationPass());       // Simplify cfg by copying code    
+    if (!optimize_size)
+      PM->add(createTailDuplicationPass());     // Simplify cfg by copying code    
     if (!lang_hooks.flag_no_builtin())
       PM->add(createSimplifyLibCallsPass());    // Library Call Optimizations
     PM->add(createInstructionCombiningPass());  // Cleanup for scalarrepl.