Merge llvm-project main llvmorg-12-init-17869-g8e464dd76bef

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-12-init-17869-g8e464dd76bef, the last commit before the
upstream release/12.x branch was created.

PR:		255570
MFC after:	6 weeks

1 files changed, 9 insertions, 8 deletions

diff --git a/contrib/llvm-project/llvm/lib/Target/Hexagon/HexagonGenPredicate.cpp b/contrib/llvm-project/llvm/lib/Target/Hexagon/HexagonGenPredicate.cpp
index 903287e68c99..d8d2025c5d27 100644
--- a/contrib/llvm-project/llvm/lib/Target/Hexagon/HexagonGenPredicate.cpp
+++ b/contrib/llvm-project/llvm/lib/Target/Hexagon/HexagonGenPredicate.cpp
@@ -48,7 +48,8 @@ namespace {
 
   // FIXME: Use TargetInstrInfo::RegSubRegPair
   struct RegisterSubReg {
-    unsigned R, S;
+    Register R;
+    unsigned S;
 
     RegisterSubReg(unsigned r = 0, unsigned s = 0) : R(r), S(s) {}
     RegisterSubReg(const MachineOperand &MO) : R(MO.getReg()), S(MO.getSubReg()) {}
@@ -111,7 +112,7 @@ namespace {
     VectOfInst PUsers;
     RegToRegMap G2P;
 
-    bool isPredReg(unsigned R);
+    bool isPredReg(Register R);
     void collectPredicateGPR(MachineFunction &MF);
     void processPredicateGPR(const RegisterSubReg &Reg);
     unsigned getPredForm(unsigned Opc);
@@ -133,8 +134,8 @@ INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree)
 INITIALIZE_PASS_END(HexagonGenPredicate, "hexagon-gen-pred",
   "Hexagon generate predicate operations", false, false)
 
-bool HexagonGenPredicate::isPredReg(unsigned R) {
-  if (!Register::isVirtualRegister(R))
+bool HexagonGenPredicate::isPredReg(Register R) {
+  if (!R.isVirtual())
     return false;
   const TargetRegisterClass *RC = MRI->getRegClass(R);
   return RC == &Hexagon::PredRegsRegClass;
@@ -214,7 +215,7 @@ void HexagonGenPredicate::collectPredicateGPR(MachineFunction &MF) {
         case TargetOpcode::COPY:
           if (isPredReg(MI->getOperand(1).getReg())) {
             RegisterSubReg RD = MI->getOperand(0);
-            if (Register::isVirtualRegister(RD.R))
+            if (RD.R.isVirtual())
               PredGPRs.insert(RD);
           }
           break;
@@ -246,7 +247,7 @@ RegisterSubReg HexagonGenPredicate::getPredRegFor(const RegisterSubReg &Reg) {
   // Create a predicate register for a given Reg. The newly created register
   // will have its value copied from Reg, so that it can be later used as
   // an operand in other instructions.
-  assert(Register::isVirtualRegister(Reg.R));
+  assert(Reg.R.isVirtual());
   RegToRegMap::iterator F = G2P.find(Reg);
   if (F != G2P.end())
     return F->second;
@@ -472,9 +473,9 @@ bool HexagonGenPredicate::eliminatePredCopies(MachineFunction &MF) {
         continue;
       RegisterSubReg DR = MI.getOperand(0);
       RegisterSubReg SR = MI.getOperand(1);
-      if (!Register::isVirtualRegister(DR.R))
+      if (!DR.R.isVirtual())
         continue;
-      if (!Register::isVirtualRegister(SR.R))
+      if (!SR.R.isVirtual())
         continue;
       if (MRI->getRegClass(DR.R) != PredRC)
         continue;