Refactor lithium CheckSmi instruction into two separate instructions CheckSmi...

src/x64/lithium-codegen-x64.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3279 matching lines @@
       __ andl(result_reg, Immediate(1));
       DeoptimizeIf(not_zero, instr->environment());
       __ bind(&done);
     }
   }
 }
 
 
 void LCodeGen::DoCheckSmi(LCheckSmi* instr) {
   LOperand* input = instr->InputAt(0);
-  ASSERT(input->IsRegister());
   Condition cc = masm()->CheckSmi(ToRegister(input));
-  if (instr->condition() != equal) {
-    cc = NegateCondition(cc);
-  }
+  DeoptimizeIf(NegateCondition(cc), instr->environment());
+}
+
+
+void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) {
+  LOperand* input = instr->InputAt(0);
+  Condition cc = masm()->CheckSmi(ToRegister(input));
   DeoptimizeIf(cc, instr->environment());
 }
 
 
 void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
   Register input = ToRegister(instr->InputAt(0));
   InstanceType first = instr->hydrogen()->first();
   InstanceType last = instr->hydrogen()->last();
 
   __ movq(kScratchRegister, FieldOperand(input, HeapObject::kMapOffset));
@@ skipping 448 matching lines @@
   RegisterEnvironmentForDeoptimization(environment);
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64