From e3a676e9adba668a7da944766218e98dd4b2c10a Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Mon, 24 Jun 2019 15:50:29 +0000 Subject: CodeGen: Introduce a class for registers Avoids using a plain unsigned for registers throughoug codegen. Doesn't attempt to change every register use, just something a little more than the set needed to build after changing the return type of MachineOperand::getReg(). llvm-svn: 364191 --- llvm/lib/CodeGen/SwiftErrorValueTracking.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'llvm/lib/CodeGen/SwiftErrorValueTracking.cpp') diff --git a/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp b/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp index 0359053d8ab..e59cd8ec705 100644 --- a/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp +++ b/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp @@ -42,7 +42,7 @@ unsigned SwiftErrorValueTracking::getOrCreateVReg(const MachineBasicBlock *MBB, } void SwiftErrorValueTracking::setCurrentVReg(const MachineBasicBlock *MBB, - const Value *Val, unsigned VReg) { + const Value *Val, Register VReg) { VRegDefMap[std::make_pair(MBB, Val)] = VReg; } @@ -161,7 +161,7 @@ void SwiftErrorValueTracking::propagateVRegs() { auto UUseIt = VRegUpwardsUse.find(Key); auto VRegDefIt = VRegDefMap.find(Key); bool UpwardsUse = UUseIt != VRegUpwardsUse.end(); - unsigned UUseVReg = UpwardsUse ? UUseIt->second : 0; + Register UUseVReg = UpwardsUse ? UUseIt->second : Register(); bool DownwardDef = VRegDefIt != VRegDefMap.end(); assert(!(UpwardsUse && !DownwardDef) && "We can't have an upwards use but no downwards def"); @@ -238,7 +238,7 @@ void SwiftErrorValueTracking::propagateVRegs() { // destination virtual register number otherwise we generate a new one. auto &DL = MF->getDataLayout(); auto const *RC = TLI->getRegClassFor(TLI->getPointerTy(DL)); - unsigned PHIVReg = + Register PHIVReg = UpwardsUse ? UUseVReg : MF->getRegInfo().createVirtualRegister(RC); MachineInstrBuilder PHI = BuildMI(*MBB, MBB->getFirstNonPHI(), DLoc, -- cgit v1.2.3