Subzero: Improve usability of liveness-related tools.

src/IceTargetLoweringARM32.h

 //===- subzero/src/IceTargetLoweringARM32.h - ARM32 lowering ----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 264 matching lines @@
   /// confusing, non-uniform) rules for data moves in ARM.
   void _mov(Variable *Dest, Operand *Src0,
             CondARM32::Cond Pred = CondARM32::AL) {
     // _mov used to be unique in the sense that it would create a temporary
     // automagically if Dest was nullptr. It won't do that anymore, so we keep
     // an assert around just in case there is some untested code path where Dest
     // is nullptr.
     assert(Dest != nullptr);
     Context.insert(InstARM32Mov::create(Func, Dest, Src0, Pred));
   }
-  void _mov_nonkillable(Variable *Dest, Operand *Src0,
-                        CondARM32::Cond Pred = CondARM32::AL) {
+  void _mov_redefined(Variable *Dest, Operand *Src0,
+                      CondARM32::Cond Pred = CondARM32::AL) {
     Inst *NewInst = InstARM32Mov::create(Func, Dest, Src0, Pred);
-    NewInst->setDestNonKillable();
+    NewInst->setDestRedefined();
     Context.insert(NewInst);
   }
   /// The Operand can only be a 16-bit immediate or a ConstantRelocatable (with
   /// an upper16 relocation).
   void _movt(Variable *Dest, Operand *Src0,
              CondARM32::Cond Pred = CondARM32::AL) {
     Context.insert(InstARM32Movt::create(Func, Dest, Src0, Pred));
   }
   void _movw(Variable *Dest, Operand *Src0,
              CondARM32::Cond Pred = CondARM32::AL) {
@@ skipping 242 matching lines @@
 
 private:
   ~TargetHeaderARM32() = default;
 
   TargetARM32Features CPUFeatures;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGARM32_H