Remove HCheckSmi, LCheckSmi and rename LCheckSmiAndReturn to LCheckSmi.

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index 712046a2ac4822b519a25f55b2da60142804f8ba..2ed4cd611c207f07e8f8fb951ea96c9c421ae64a 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -70,7 +70,6 @@ class LCodeGen;
   V(CheckNonSmi)                                \
   V(CheckPrototypeMaps)                         \
   V(CheckSmi)                                   \
-  V(CheckSmiAndReturn)                          \
   V(ClampDToUint8)                              \
   V(ClampIToUint8)                              \
   V(ClampTToUint8)                              \
@@ -2458,7 +2457,7 @@ class LCheckPrototypeMaps: public LTemplateInstruction<0, 0, 1> {
 };
 
 
-class LCheckSmi: public LTemplateInstruction<0, 1, 0> {
+class LCheckSmi: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LCheckSmi(LOperand* value) {
     inputs_[0] = value;
@@ -2470,18 +2469,6 @@ 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 LClampDToUint8: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LClampDToUint8(LOperand* value) {