Subzero: Remove IceString.

src/IceInstARM32.h

 //===- subzero/src/IceInstARM32.h - ARM32 machine instructions --*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 329 matching lines @@
 /// represent in the native addressing mode, and so it has a separate base
 /// register from SP/FP, where the offset from that base register is then in
 /// range.
 class StackVariable final : public Variable {
   StackVariable() = delete;
   StackVariable(const StackVariable &) = delete;
   StackVariable &operator=(const StackVariable &) = delete;
 
 public:
   static StackVariable *create(Cfg *Func, Type Ty, SizeT Index) {
-    return new (Func->allocate<StackVariable>()) StackVariable(Ty, Index);
+    return new (Func->allocate<StackVariable>()) StackVariable(Func, Ty, Index);
   }
   constexpr static auto StackVariableKind =
       static_cast<OperandKind>(kVariable_Target);
   static bool classof(const Operand *Operand) {
     return Operand->getKind() == StackVariableKind;
   }
   void setBaseRegNum(RegNumT RegNum) { BaseRegNum = RegNum; }
   RegNumT getBaseRegNum() const override { return BaseRegNum; }
   // Inherit dump() and emit() from Variable.
 
 private:
-  StackVariable(Type Ty, SizeT Index)
-      : Variable(StackVariableKind, Ty, Index) {}
+  StackVariable(const Cfg *Func, Type Ty, SizeT Index)
+      : Variable(Func, StackVariableKind, Ty, Index) {}
   RegNumT BaseRegNum;
 };
 
 /// Base class for ARM instructions. While most ARM instructions can be
 /// conditionally executed, a few of them are not predicable (halt, memory
 /// barriers, etc.).
 class InstARM32 : public InstTarget {
   InstARM32() = delete;
   InstARM32(const InstARM32 &) = delete;
   InstARM32 &operator=(const InstARM32 &) = delete;
@@ skipping 587 matching lines @@
 class InstARM32Label : public InstARM32 {
   InstARM32Label() = delete;
   InstARM32Label(const InstARM32Label &) = delete;
   InstARM32Label &operator=(const InstARM32Label &) = delete;
 
 public:
   static InstARM32Label *create(Cfg *Func, TargetARM32 *Target) {
     return new (Func->allocate<InstARM32Label>()) InstARM32Label(Func, Target);
   }
   uint32_t getEmitInstCount() const override { return 0; }
-  IceString getName(const Cfg *Func) const;
+  GlobalString getLabelName() const { return Name; }
   SizeT getNumber() const { return Number; }
   void emit(const Cfg *Func) const override;
   void emitIAS(const Cfg *Func) const override;
   void dump(const Cfg *Func) const override;
   void setRelocOffset(RelocOffset *Value) { OffsetReloc = Value; }
 
 private:
   InstARM32Label(Cfg *Func, TargetARM32 *Target);
 
   RelocOffset *OffsetReloc = nullptr;
-
   SizeT Number; // used for unique label generation.
+  GlobalString Name;
 };
 
 /// Direct branch instruction.
 class InstARM32Br : public InstARM32Pred {
   InstARM32Br() = delete;
   InstARM32Br(const InstARM32Br &) = delete;
   InstARM32Br &operator=(const InstARM32Br &) = delete;
 
 public:
   /// Create a conditional branch to one of two nodes.
@@ skipping 529 matching lines @@
 // violations and link errors.
 
 template <> void InstARM32Ldr::emit(const Cfg *Func) const;
 template <> void InstARM32Movw::emit(const Cfg *Func) const;
 template <> void InstARM32Movt::emit(const Cfg *Func) const;
 
 } // end of namespace ARM32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINSTARM32_H