Remove HCheckSmi, LCheckSmi and rename LCheckSmiAndReturn to LCheckSmi.

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
diff --git a/src/arm/lithium-arm.h b/src/arm/lithium-arm.h
index 5e04bcff6471ae8f5b4a71c6366773f1fd9e3564..e4016c4bd1150724b1574a5876dc2438cf64f8cf 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -76,7 +76,6 @@ class LCodeGen;
   V(CheckMaps)                                  \
   V(CheckPrototypeMaps)                         \
   V(CheckSmi)                                   \
-  V(CheckSmiAndReturn)                          \
   V(ClampDToUint8)                              \
   V(ClampIToUint8)                              \
   V(ClampTToUint8)                              \
@@ -2384,7 +2383,7 @@ 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;
@@ -2396,18 +2395,6 @@ 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) {