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Remove unneeded cast<>.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183363 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak 2013-06-06 00:49:57 +00:00
parent 272d881234
commit c6e2ab3a57
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
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@ -173,14 +173,14 @@ Instruction *InstCombiner::OptAndOp(Instruction *Op,
// Adding a one to a single bit bit-field should be turned into an XOR
// of the bit. First thing to check is to see if this AND is with a
// single bit constant.
const APInt &AndRHSV = cast<ConstantInt>(AndRHS)->getValue();
const APInt &AndRHSV = AndRHS->getValue();
// If there is only one bit set.
if (AndRHSV.isPowerOf2()) {
// Ok, at this point, we know that we are masking the result of the
// ADD down to exactly one bit. If the constant we are adding has
// no bits set below this bit, then we can eliminate the ADD.
const APInt& AddRHS = cast<ConstantInt>(OpRHS)->getValue();
const APInt& AddRHS = OpRHS->getValue();
// Check to see if any bits below the one bit set in AndRHSV are set.
if ((AddRHS & (AndRHSV-1)) == 0) {