commit 3a48e9823e4e806ee6c08c42a1e93dd52e8cb6f7
author Sanjay Patel <spatel@rotateright.com> Mon Apr 11 17:27:44 2016 +0000
committer Sanjay Patel <spatel@rotateright.com> Mon Apr 11 17:27:44 2016 +0000
tree aa069edcd6136fafc491a588b10842e6380cefba
parent 4b9c682acfcb4987d913764741725d55b5317fd6

add an assert for safety; NFC

llvm-svn: 265969

llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
index 9cd4084..4a563b4 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
@@ -61,6 +61,8 @@
                                     bool IsFirstShiftLeft,
                                     Instruction *SecondShift, InstCombiner &IC,
                                     Instruction *CxtI) {
+  assert(SecondShift->isLogicalShift() && "Unexpected instruction type");
+  
   // We need constant shifts.
   auto *SecondShiftConst = dyn_cast<ConstantInt>(SecondShift->getOperand(1));
   if (!SecondShiftConst)