Do not run instruction combiner in middle of loop optimization passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51084 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index f9dd161c757539d05f05e4eeac4ceb0c5a3d081e..301a0598fdde6b39cc7e2534b1d2f7815e882d7b 100644 (file)
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -280,7 +280,6 @@ void AddStandardCompilePasses(PassManager &PM) {
   addPass(PM, createLICMPass());                 // Hoist loop invariants
   addPass(PM, createLoopUnswitchPass());         // Unswitch loops.
   addPass(PM, createLoopIndexSplitPass());       // Index split loops.
-  addPass(PM, createInstructionCombiningPass()); // Clean up after LICM/reassoc
   addPass(PM, createIndVarSimplifyPass());       // Canonicalize indvars
   addPass(PM, createLoopDeletionPass());         // Delete dead loops
   addPass(PM, createLoopUnrollPass());           // Unroll small loops