MIPS: Remove HCheckSmi, LCheckSmi and rename LCheckSmiAndReturn to LCheckSmi.

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index 228ba57befeec6ef43e02d0083debcc1d26c10fa..e3ada264f84f4fe759731136e93c52881270c45c 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -76,7 +76,6 @@ class LCodeGen;
   V(CheckNonSmi)                                \
   V(CheckPrototypeMaps)                         \
   V(CheckSmi)                                   \
-  V(CheckSmiAndReturn)                          \
   V(ClampDToUint8)                              \
   V(ClampIToUint8)                              \
   V(ClampTToUint8)                              \
@@ -2325,7 +2324,7 @@ class LCheckPrototypeMaps: public LTemplateInstruction<0, 0, 2> {
 };
 
 
-class LCheckSmi: public LTemplateInstruction<0, 1, 0> {
+class LCheckSmi: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LCheckSmi(LOperand* value) {
     inputs_[0] = value;
@@ -2337,18 +2336,6 @@ class LCheckSmi: public LTemplateInstruction<0, 1, 0> {
 };
 
 
-class LCheckSmiAndReturn: public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCheckSmiAndReturn(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckSmiAndReturn, "check-smi-and-return")
-};
-
-
 class LCheckNonSmi: public LTemplateInstruction<0, 1, 0> {
  public:
   explicit LCheckNonSmi(LOperand* value) {