gimple.h (gimple_expr_type): Refactor to make it concise.

2015-05-22  hiraditya  <hiraditya@msn.com>

        * gimple.h (gimple_expr_type): Refactor to make it concise.
        Remove redundant if.

From-SVN: r223529

1 files changed, 18 insertions, 28 deletions

diff --git a/gcc/gimple.h b/gcc/gimple.h
index 95e4fc8..3a83e8f 100644
--- a/gcc/gimple.h
+++ b/gcc/gimple.h
@@ -5717,36 +5717,26 @@ static inline tree
 gimple_expr_type (const_gimple stmt)
 {
   enum gimple_code code = gimple_code (stmt);
-
-  if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
+  /* In general we want to pass out a type that can be substituted
+     for both the RHS and the LHS types if there is a possibly
+     useless conversion involved.  That means returning the
+     original RHS type as far as we can reconstruct it.  */
+  if (code == GIMPLE_CALL)
     {
-      tree type;
-      /* In general we want to pass out a type that can be substituted
-         for both the RHS and the LHS types if there is a possibly
-	 useless conversion involved.  That means returning the
-	 original RHS type as far as we can reconstruct it.  */
-      if (code == GIMPLE_CALL)
-	{
-	  const gcall *call_stmt = as_a <const gcall *> (stmt);
-	  if (gimple_call_internal_p (call_stmt)
-	      && gimple_call_internal_fn (call_stmt) == IFN_MASK_STORE)
-	    type = TREE_TYPE (gimple_call_arg (call_stmt, 3));
-	  else
-	    type = gimple_call_return_type (call_stmt);
-	}
+      const gcall *call_stmt = as_a <const gcall *> (stmt);
+      if (gimple_call_internal_p (call_stmt)
+          && gimple_call_internal_fn (call_stmt) == IFN_MASK_STORE)
+        return TREE_TYPE (gimple_call_arg (call_stmt, 3));
+      else
+        return gimple_call_return_type (call_stmt);
+    }
+  else if (code == GIMPLE_ASSIGN)
+    {
+      if (gimple_assign_rhs_code (stmt) == POINTER_PLUS_EXPR)
+        return TREE_TYPE (gimple_assign_rhs1 (stmt));
       else
-	switch (gimple_assign_rhs_code (stmt))
-	  {
-	  case POINTER_PLUS_EXPR:
-	    type = TREE_TYPE (gimple_assign_rhs1 (stmt));
-	    break;
-
-	  default:
-	    /* As fallback use the type of the LHS.  */
-	    type = TREE_TYPE (gimple_get_lhs (stmt));
-	    break;
-	  }
-      return type;
+        /* As fallback use the type of the LHS.  */
+        return TREE_TYPE (gimple_get_lhs (stmt));
     }
   else if (code == GIMPLE_COND)
     return boolean_type_node;