AMDGPUTTI(const AMDGPUTargetMachine *TM)
: ImmutablePass(ID), TM(TM), ST(TM->getSubtargetImpl()),
- TLI(TM->getTargetLowering()) {
+ TLI(TM->getSubtargetImpl()->getTargetLowering()) {
initializeAMDGPUTTIPass(*PassRegistry::getPassRegistry());
}
void AMDGPUTTI::getUnrollingPreferences(Loop *L,
UnrollingPreferences &UP) const {
+ UP.Threshold = 300; // Twice the default.
+ UP.Count = UINT_MAX;
+ UP.Partial = true;
+
+ // TODO: Do we want runtime unrolling?
+
for (const BasicBlock *BB : L->getBlocks()) {
for (const Instruction &I : *BB) {
const GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(&I);
//
// Don't use the maximum allowed value here as it will make some
// programs way too big.
- UP.Threshold = 500;
+ UP.Threshold = 800;
}
}
}