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[InstSimplify] Use APInt::isMask isntead of manually implementing it. NFC 

llvm-svn: 303968
This commit is contained in:
Craig Topper 2017-05-26 05:16:22 +00:00
parent 50500d5054
commit 25d9ba9a12
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Analysis/InstructionSimplify.cpp
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@ -1931,7 +1931,7 @@ static Value *SimplifyOrInst(Value *Op0, Value *Op1, const SimplifyQuery &Q,
// .. and C2 = ~C1 and C2 is 0+1+ and (N & C2) == 0
// replace with V+N.
Value *V1, *V2;
if ((C2->getValue() & (C2->getValue() + 1)) == 0 && // C2 == 0+1+
if (C2->getValue().isMask() && // C2 == 0+1+
match(A, m_Add(m_Value(V1), m_Value(V2)))) {
// Add commutes, try both ways.
if (V1 == B &&
@ -1942,7 +1942,7 @@ static Value *SimplifyOrInst(Value *Op0, Value *Op1, const SimplifyQuery &Q,
return A;
}
// Or commutes, try both ways.
if ((C1->getValue() & (C1->getValue() + 1)) == 0 &&
if (C1->getValue().isMask() &&
match(B, m_Add(m_Value(V1), m_Value(V2)))) {
// Add commutes, try both ways.
if (V1 == A &&