[llvm] r304772 - [ValueTracking] Use the computeKnownBits version that returns a KnownBits object instead of taking one by reference. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Tue Jun  6 02:13:11 2017
New Revision: 304772

URL: http://llvm.org/viewvc/llvm-project?rev=304772&view=rev
Log:
[ValueTracking] Use the computeKnownBits version that returns a KnownBits object instead of taking one by reference. NFC

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

Modified: llvm/trunk/lib/Analysis/ValueTracking.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ValueTracking.cpp?rev=304772&r1=304771&r2=304772&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ValueTracking.cpp (original)
+++ llvm/trunk/lib/Analysis/ValueTracking.cpp Tue Jun  6 02:13:11 2017
@@ -1990,14 +1990,11 @@ static bool isKnownNonEqual(const Value
   if (isAddOfNonZero(V1, V2, Q) || isAddOfNonZero(V2, V1, Q))
     return true;
 
-  if (IntegerType *Ty = dyn_cast<IntegerType>(V1->getType())) {
+  if (isa<IntegerType>(V1->getType())) {
     // Are any known bits in V1 contradictory to known bits in V2? If V1
     // has a known zero where V2 has a known one, they must not be equal.
-    auto BitWidth = Ty->getBitWidth();
-    KnownBits Known1(BitWidth);
-    computeKnownBits(V1, Known1, 0, Q);
-    KnownBits Known2(BitWidth);
-    computeKnownBits(V2, Known2, 0, Q);
+    KnownBits Known1 = computeKnownBits(V1, 0, Q);
+    KnownBits Known2 = computeKnownBits(V2, 0, Q);
 
     if (Known1.Zero.intersects(Known2.One) ||
         Known2.Zero.intersects(Known1.One))