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Fix De Morgan's name.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15343 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2004-07-30 12:50:08 +00:00
parent acd1f0fcb3
commit cb6267bc60
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -1124,7 +1124,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) {
if (Op0NotVal == Op1 || Op1NotVal == Op0) // A & ~A == ~A & A == 0
return ReplaceInstUsesWith(I, Constant::getNullValue(I.getType()));
// (~A & ~B) == (~(A | B)) - Demorgan's Law
// (~A & ~B) == (~(A | B)) - De Morgan's Law
if (Op0NotVal && Op1NotVal && isOnlyUse(Op0) && isOnlyUse(Op1)) {
Instruction *Or = BinaryOperator::createOr(Op0NotVal, Op1NotVal,
I.getName()+".demorgan");
@ -1198,7 +1198,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
return ReplaceInstUsesWith(I,
ConstantIntegral::getAllOnesValue(I.getType()));
// (~A | ~B) == (~(A & B)) - Demorgan's Law
// (~A | ~B) == (~(A & B)) - De Morgan's Law
if (A && isOnlyUse(Op0) && isOnlyUse(Op1)) {
Value *And = InsertNewInstBefore(BinaryOperator::createAnd(A, B,
I.getName()+".demorgan"), I);