6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-24 22:24:54 +00:00
Code Issues Projects Releases Wiki Activity

Add a new Constant::getIntegerValue helper function, and convert a

Browse Source 
few places in InstCombine to use it, to fix problems handling pointer
types. This fixes the recent llvm-gcc bootstrap error.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78005 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-03 22:07:33 +00:00
parent c8bfb7a49d
commit 43ee5f7c08
4 changed files with 111 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lib/Transforms/Scalar/InstructionCombining.cpp
View File

@@ -1014,8 +1014,8 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask,
if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) {
// all known
if ((RHSKnownOne & LHSKnownOne) == RHSKnownOne) {
Constant *AndC = ConstantInt::get(VTy,
~RHSKnownOne & DemandedMask);
Constant *AndC = Constant::getIntegerValue(VTy,
~RHSKnownOne & DemandedMask);
Instruction *And =
BinaryOperator::CreateAnd(I->getOperand(0), AndC, "tmp");
return InsertNewInstBefore(And, *I);
@@ -1406,12 +1406,8 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask,
// If the client is only demanding bits that we know, return the known
// constant.
if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) {
Constant *C = ConstantInt::get(VTy, RHSKnownOne);
if (isa<PointerType>(V->getType()))
C = ConstantExpr::getIntToPtr(C, V->getType());
return C;
}
if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask)
return Constant::getIntegerValue(VTy, RHSKnownOne);
return false;
}