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| author | Craig Topper <craig.topper@gmail.com> | 2017-04-03 06:02:09 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-04-03 06:02:09 +0000 |
| commit | 07944f891c48bfa7dad3add97d533dec4bc48afb (patch) | |
| tree | 3d36e57bd0332408236ed196056d65fb04705451 /llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | |
| parent | cf38eb99dee016b7c533e10c502a99b4b009328d (diff) | |
| download | bcm5719-llvm-07944f891c48bfa7dad3add97d533dec4bc48afb.tar.gz bcm5719-llvm-07944f891c48bfa7dad3add97d533dec4bc48afb.zip | |
[InstCombine] Remove a And transform that should be handled by SimplifyDemandedInstructionBits. NFCI
llvm-svn: 299349
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index de9c957f81e..e2f24ccde1e 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -159,13 +159,6 @@ Instruction *InstCombiner::OptAndOp(BinaryOperator *Op, break; case Instruction::Or: if (Op->hasOneUse()){ - if (Together != OpRHS) { - // (X | C1) & C2 --> (X | (C1&C2)) & C2 - Value *Or = Builder->CreateOr(X, Together); - Or->takeName(Op); - return BinaryOperator::CreateAnd(Or, AndRHS); - } - ConstantInt *TogetherCI = dyn_cast<ConstantInt>(Together); if (TogetherCI && !TogetherCI->isZero()){ // (X | C1) & C2 --> (X & (C2^(C1&C2))) | C1 |
