[llvm-commits] [llvm-gcc-4.2] r51076 - /llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

[Devang Patel]

Author: dpatel
Date: Tue May 13 17:44:27 2008
New Revision: 51076

URL: http://llvm.org/viewvc/llvm-project?rev=51076&view=rev
Log:
Do not run instruction combiner in middle of loop optimization passes.

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=51076&r1=51075&r2=51076&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp Tue May 13 17:44:27 2008
@@ -377,7 +377,6 @@
     PM->add(createLICMPass());                  // Hoist loop invariants
     PM->add(createLoopUnswitchPass(optimize_size ? true : false));
     PM->add(createLoopIndexSplitPass());        // Split loop index
-    PM->add(createInstructionCombiningPass());  // Clean up after LICM/reassoc
     PM->add(createIndVarSimplifyPass());        // Canonicalize indvars
     PM->add(createLoopDeletionPass());          // Delete dead loops
     if (flag_unroll_loops)