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For PR1271:

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Fix another incorrectly converted shift mask.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35371 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2007-03-26 23:45:51 +00:00
parent d64d3a1d28
commit 68d27cf84e
1 changed files with 1 additions and 1 deletions
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lib/Transforms/Scalar/InstructionCombining.cpp
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@ -5887,7 +5887,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1,
BinaryOperator::createShl(X, ConstantInt::get(Ty, ShiftDiff)); BinaryOperator::createShl(X, ConstantInt::get(Ty, ShiftDiff));
InsertNewInstBefore(Shift, I); InsertNewInstBefore(Shift, I);
APInt Mask(APInt::getHighBitsSet(TypeBits, TypeBits - ShiftAmt2)); APInt Mask(APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt2));
return BinaryOperator::createAnd(Shift, ConstantInt::get(Mask)); return BinaryOperator::createAnd(Shift, ConstantInt::get(Mask));
} }