Displaying 4 results from an estimated 4 matches for "offsetinelements".
2011 Nov 11
0
[LLVMdev] [llvm-commits] [PATCH] BasicBlock Autovectorization Pass
...his is a trivial offset we get something like 1*sizeof(long)
const SCEV *Offset = SE->getMinusSCEV(PointerOneSCEV, PointerTwoSCEV);
// Now we devide it by the element size
Type *AllocTy = LoadOne->getType()->getAllocTy();
const SCEV *TypeOfSCEV = SE->getSizeOfExpr(AllocTy);
const SCEV *OffsetInElements = SE->getUDivExpr(Offset, TypeOfSCEV);
if (const SCEVConstant *IntOffsetSCEV
= dyn_cast<SCEVConstant>(OffsetInElements)) {
ConstantInt *IntOffset = IntOffsetSCEV->getValue()
return IntOffset;
} else {
return "This seems to be a complicated offset";
}
const SCEV *Of...
2011 Nov 11
2
[LLVMdev] [llvm-commits] [PATCH] BasicBlock Autovectorization Pass
On Fri, 2011-11-11 at 23:55 +0100, Tobias Grosser wrote:
> On 11/11/2011 11:36 PM, Hal Finkel wrote:
> > On Thu, 2011-11-10 at 23:07 +0100, Tobias Grosser wrote:
> >> On 11/08/2011 11:29 PM, Hal Finkel wrote:
> >> Talking about this I looked again into ScalarEvolution.
> >>
> >> To analyze a load, you would do:
> >>
> >> LoadInst *Load
2011 Nov 15
3
[LLVMdev] [llvm-commits] [PATCH] BasicBlock Autovectorization Pass
...something like 1*sizeof(long)
> const SCEV *Offset = SE->getMinusSCEV(PointerOneSCEV, PointerTwoSCEV);
>
> // Now we devide it by the element size
> Type *AllocTy = LoadOne->getType()->getAllocTy();
> const SCEV *TypeOfSCEV = SE->getSizeOfExpr(AllocTy);
> const SCEV *OffsetInElements = SE->getUDivExpr(Offset, TypeOfSCEV);
>
> if (const SCEVConstant *IntOffsetSCEV
> = dyn_cast<SCEVConstant>(OffsetInElements)) {
> ConstantInt *IntOffset = IntOffsetSCEV->getValue()
> return IntOffset;
> } else {
> return "This seems to be a complica...
2011 Nov 16
0
[LLVMdev] [llvm-commits] [PATCH] BasicBlock Autovectorization Pass
...> > const SCEV *Offset = SE->getMinusSCEV(PointerOneSCEV, PointerTwoSCEV);
> >
> > // Now we devide it by the element size
> > Type *AllocTy = LoadOne->getType()->getAllocTy();
> > const SCEV *TypeOfSCEV = SE->getSizeOfExpr(AllocTy);
> > const SCEV *OffsetInElements = SE->getUDivExpr(Offset, TypeOfSCEV);
> >
> > if (const SCEVConstant *IntOffsetSCEV
> > = dyn_cast<SCEVConstant>(OffsetInElements)) {
> > ConstantInt *IntOffset = IntOffsetSCEV->getValue()
> > return IntOffset;
> > } else {
> > retur...