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Correct the logic in LowerPartSet which cleared the bits from 0 to low-1.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37331 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zhou Sheng 2007-05-26 03:43:13 +00:00
parent 3adf951364
commit 924361aef9
1 changed files with 7 additions and 5 deletions
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12
lib/CodeGen/IntrinsicLowering.cpp
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@ -557,11 +557,13 @@ static Instruction *LowerPartSet(CallInst *CI) {
Rplcmnt->addIncoming(NewRes, reverse);
Rplcmnt->addIncoming(Rep4, small);
Value* t0 = CastInst::createIntegerCast(NumBits,ValTy,false,"",result);
Value* t1 = BinaryOperator::createShl(ValMask, t0, "", result);
Value* t2 = BinaryOperator::createShl(t1, Lo, "", result);
Value* t3 = BinaryOperator::createAnd(t2, Val, "", result);
Value* t4 = BinaryOperator::createShl(Rplcmnt, Lo, "", result);
Value* Rslt = BinaryOperator::createOr(t3, t4, "part_set", result);
Value* t1 = BinaryOperator::createShl(ValMask, Lo, "", result);
Value* t2 = BinaryOperator::createNot(t1, "", result);
Value* t3 = BinaryOperator::createShl(t1, t0, "", result);
Value* t4 = BinaryOperator::createOr(t2, t3, "", result);
Value* t5 = BinaryOperator::createAnd(t4, Val, "", result);
Value* t6 = BinaryOperator::createShl(Rplcmnt, Lo, "", result);
Value* Rslt = BinaryOperator::createOr(t5, t6, "part_set", result);
new ReturnInst(Rslt, result);
}