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For PR1271:

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Fix SingleSource/Regression/C/2003-05-21-UnionBitFields.c by changing a
getHighBitsSet call to getLowBitsSet call that was incorrectly converted
from the original lshr constant expression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-03-26 05:25:00 +00:00
parent da91f49751
commit 1be1284fe6
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -5858,7 +5858,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, ConstantInt *Op1,
BinaryOperator::createLShr(X, ConstantInt::get(Ty, ShiftDiff));
InsertNewInstBefore(Shift, I);
APInt Mask(APInt::getHighBitsSet(TypeBits, TypeBits - ShiftAmt2));
APInt Mask(APInt::getLowBitsSet(TypeBits, ShiftAmt2));
return BinaryOperator::createAnd(Shift, ConstantInt::get(Mask));
}