[llvm] r221280 - InstSimplify: Fold a hasNoUnsignedWrap() call into a match() expression

[David Majnemer]

Author: majnemer
Date: Tue Nov  4 11:38:50 2014
New Revision: 221280

URL: http://llvm.org/viewvc/llvm-project?rev=221280&view=rev
Log:
InstSimplify: Fold a hasNoUnsignedWrap() call into a match() expression

No functionality change intended, it's just a little more concise.

Modified:
    llvm/trunk/lib/Analysis/InstructionSimplify.cpp

Modified: llvm/trunk/lib/Analysis/InstructionSimplify.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/InstructionSimplify.cpp?rev=221280&r1=221279&r2=221280&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/InstructionSimplify.cpp (original)
+++ llvm/trunk/lib/Analysis/InstructionSimplify.cpp Tue Nov  4 11:38:50 2014
@@ -1371,8 +1371,7 @@ static Value *SimplifyLShrInst(Value *Op
 
   // (X << A) >> A -> X
   Value *X;
-  if (match(Op0, m_Shl(m_Value(X), m_Specific(Op1))) &&
-      cast<OverflowingBinaryOperator>(Op0)->hasNoUnsignedWrap())
+  if (match(Op0, m_NUWShl(m_Value(X), m_Specific(Op1))))
     return X;
 
   return nullptr;