Hrm, this code was severely botched. As it turns out, this patch:

http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20041018/019708.html

exposed ANOTHER latent bug in this xform, which caused Prolangs-C/bison to fill
the zion nightly tester disk up and make the tester barf.

This is obviously not a good thing, so lets fix this bug shall we? :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17276 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-10-27 05:57:15 +00:00
parent 4c3480169b
commit dc78122242

View File

@ -1294,6 +1294,10 @@ Instruction *InstCombiner::OptAndOp(Instruction *Op,
ShVal = InsertNewInstBefore(new ShiftInst(Instruction::Shr, ShVal,
OpRHS, Op->getName()),
TheAnd);
Value *AndRHS2 = ConstantExpr::getCast(AndRHS, ShVal->getType());
ShVal = InsertNewInstBefore(BinaryOperator::createAnd(ShVal, AndRHS2,
TheAnd.getName()),
TheAnd);
return new CastInst(ShVal, Op->getType());
}
}