Enable loop index split pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41714 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 4eca308..e990c7f 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -277,6 +277,7 @@
addPass(PM, createLoopRotatePass());
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, createLoopUnrollPass()); // Unroll small loops