Subzero: Expand the liveness consistency check.

src/IceTargetLoweringARM32.cpp

 //===- subzero/src/IceTargetLoweringARM32.cpp - ARM32 lowering ------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 1976 matching lines @@
   }
   case InstCast::Fptrunc:
     UnimplementedError(Func->getContext()->getFlags());
     break;
   case InstCast::Fpext: {
     UnimplementedError(Func->getContext()->getFlags());
     break;
   }
   case InstCast::Fptosi:
     UnimplementedError(Func->getContext()->getFlags());
+    // Add a fake def to keep liveness consistent in the meantime.
+    Context.insert(InstFakeDef::create(Func, Dest));
     break;
   case InstCast::Fptoui:
     UnimplementedError(Func->getContext()->getFlags());
     break;
   case InstCast::Sitofp:
     UnimplementedError(Func->getContext()->getFlags());
     break;
   case InstCast::Uitofp: {
     UnimplementedError(Func->getContext()->getFlags());
     break;
@@ skipping 922 matching lines @@
       << ".eabi_attribute 68, 1   @ Tag_Virtualization_use\n";
   if (CPUFeatures.hasFeature(TargetARM32Features::HWDivArm)) {
     Str << ".eabi_attribute 44, 2   @ Tag_DIV_use\n";
   }
   // Technically R9 is used for TLS with Sandboxing, and we reserve it.
   // However, for compatibility with current NaCl LLVM, don't claim that.
   Str << ".eabi_attribute 14, 3   @ Tag_ABI_PCS_R9_use: Not used\n";
 }
 
 } // end of namespace Ice