Lines Matching defs:VPST

206       // VPT/VPST + 4 predicated instructions.
218   // VPT/VPST and has a maximum of four proceeding instructions. All
266     // Is the VPST, controlling the block entry, predicated upon a VCTP.
279              "Expected VPT block to begin with VPT/VPST");
339                "Expected VPT block to start with a VPST or VPT!");
1217     //    the VPT block because we don't find another VPT or VPST to being a new
1601       MachineInstr *VPST = Insts.front();
1603         // A vpt block starting with VPST, is only predicated upon vctp and has no
1607         LLVM_DEBUG(dbgs() << "ARM Loops: Removing VPST: " << *VPST);
1628         for (auto I = ++MachineBasicBlock::iterator(VPST), E = DivergentNext;
1633         // with the VPST This should be the divergent instruction
1638           // Insert a VPST at the divergent only if the next instruction
1639           // would actually use it. A VCMP following a VPST can be
1642             // Create a VPST (with a null mask for now, we'll recompute it
1648             LLVM_DEBUG(dbgs() << "ARM Loops: Created VPST: " << *MIB);
1651             // No RDA checks are necessary here since the VPST would have been
1657       LLVM_DEBUG(dbgs() << "ARM Loops: Removing VPST: " << *VPST);
1658       LoLoop.ToRemove.insert(VPST);
1662       MachineInstr *VPST = Insts.front();
1664         assert(VPST->getOpcode() == ARM::MVE_VPST &&
1665                "Found a VPST in an otherwise empty vpt block");
1666         LoLoop.ToRemove.insert(VPST);
1668         LoLoop.BlockMasksToRecompute.insert(VPST);
1670       // If this block starts with a VPST then attempt to merge it with the
1673       MachineInstr *VPST = Insts.front();
1674       auto Next = ++MachineBasicBlock::iterator(VPST);
1676              "The instruction after a VPST must be predicated");
1678       MachineInstr *VprDef = RDA->getUniqueReachingMIDef(VPST, ARM::VPR);
1682         // The VCMP and VPST can only be merged if the VCMP's operands will have
1683         // the same values at the VPST.
1684         // If any of the instructions between the VCMP and VPST are predicated
1686         // VPST already.
1688                          MachineBasicBlock::iterator(VPST), hasVPRUse) &&
1689             RDA->hasSameReachingDef(VCMP, VPST, VCMP->getOperand(1).getReg()) &&
1690             RDA->hasSameReachingDef(VCMP, VPST, VCMP->getOperand(2).getReg())) {
1691           ReplaceVCMPWithVPT(VCMP, VPST);
1692           LLVM_DEBUG(dbgs() << "ARM Loops: Removing VPST: " << *VPST);
1693           LoLoop.ToRemove.insert(VPST);
1787       LLVM_DEBUG(dbgs() << "ARM Loops: Recomputing VPT/VPST Block Mask: " << *I);