Subzero: Use a proper RegNumT type instead of int32_t/SizeT.

src/IceAssemblerARM32.cpp

Index: src/IceAssemblerARM32.cpp
diff --git a/src/IceAssemblerARM32.cpp b/src/IceAssemblerARM32.cpp
index 89854b18a60fdaf6cb66f1c2f6f7462214da4b71..e4d60f87a3966044d1be8eb313511e2f6e19d0f9 100644
--- a/src/IceAssemblerARM32.cpp
+++ b/src/IceAssemblerARM32.cpp
@@ -195,7 +195,7 @@ RegARM32::GPRRegister getGPRReg(IValueT Shift, IValueT Value) {
 
 IValueT getEncodedGPRegNum(const Variable *Var) {
   assert(Var->hasReg());
-  int32_t Reg = Var->getRegNum();
+  auto Reg = Var->getRegNum();
   return llvm::isa<Variable64On32>(Var) ? RegARM32::getI64PairFirstGPRNum(Reg)
                                         : RegARM32::getEncodedGPR(Reg);
 }
@@ -470,8 +470,8 @@ EncodedOperand encodeAddress(const Operand *Opnd, IValueT &Value,
     IOffsetT Offset = Var->getStackOffset();
     if (!Utils::IsAbsoluteUint(12, Offset))
       return CantEncode;
-    int32_t BaseRegNum = Var->getBaseRegNum();
-    if (BaseRegNum == Variable::NoRegister)
+    auto BaseRegNum = Var->getBaseRegNum();
+    if (BaseRegNum == RegNumT::NoRegister)
       BaseRegNum = TInfo.FrameOrStackReg;
     Value = encodeImmRegOffset(ImmEncoding, BaseRegNum, Offset,
                                OperandARM32Mem::Offset);
@@ -585,7 +585,7 @@ void verifyRegNotPcWhenSetFlags(IValueT Reg, bool SetFlags,
     return;
   if (SetFlags && (Reg == RegARM32::Encoded_Reg_pc))
     llvm::report_fatal_error(std::string(InstName) + ": " +
-                             RegARM32::getRegName(Reg) +
+                             RegARM32::getRegName(RegNumT::fixme(Reg)) +

[John, 2016/02/10 16:01:51]

this does not look like a "fixme" issue -- reg is Reg_pc.

[Jim Stichnoth, 2016/02/10 17:47:20]

Done.

                              "=pc not allowed when CC=1");
 }
 
@@ -602,7 +602,7 @@ size_t MoveRelocatableFixup::emit(GlobalContext *Ctx,
   IValueT Inst = Asm.load<IValueT>(position());
   Str << "\t"
          "mov" << (kind() == llvm::ELF::R_ARM_MOVW_ABS_NC ? "w" : "t") << "\t"
-      << RegARM32::getRegName((Inst >> kRdShift) & 0xF)
+      << RegARM32::getRegName(RegNumT::fixme((Inst >> kRdShift) & 0xF))
       << ", #:" << (kind() == llvm::ELF::R_ARM_MOVW_ABS_NC ? "lower" : "upper")
       << "16:" << symbol(Ctx, &Asm) << "\t@ .word "
       << llvm::format_hex_no_prefix(Inst, 8) << "\n";