From 25d9ba9a1262fb77f91cae4096ede93c8da6991c Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Fri, 26 May 2017 05:16:22 +0000 Subject: [InstSimplify] Use APInt::isMask isntead of manually implementing it. NFC llvm-svn: 303968 --- llvm/lib/Analysis/InstructionSimplify.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'llvm/lib') diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp index 34ca389ad21..0a7b98b959a 100644 --- a/llvm/lib/Analysis/InstructionSimplify.cpp +++ b/llvm/lib/Analysis/InstructionSimplify.cpp @@ -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 && -- cgit v1.2.3