[llvm] r222758 - Remove a bit of duplicated code.

[Rafael Espindola]

Author: rafael
Date: Tue Nov 25 07:19:46 2014
New Revision: 222758

URL: http://llvm.org/viewvc/llvm-project?rev=222758&view=rev
Log:
Remove a bit of duplicated code.

Exactly the same checks are present in areTypesIsomorphic.

This might have been a premature performance optimization. I cannot reproduce
any slowdown with this patch.

Modified:
    llvm/trunk/lib/Linker/LinkModules.cpp

Modified: llvm/trunk/lib/Linker/LinkModules.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Linker/LinkModules.cpp?rev=222758&r1=222757&r2=222758&view=diff
==============================================================================
--- llvm/trunk/lib/Linker/LinkModules.cpp (original)
+++ llvm/trunk/lib/Linker/LinkModules.cpp Tue Nov 25 07:19:46 2014
@@ -96,14 +96,6 @@ private:
 }
 
 void TypeMapTy::addTypeMapping(Type *DstTy, Type *SrcTy) {
-  Type *&Entry = MappedTypes[SrcTy];
-  if (Entry) return;
-
-  if (DstTy == SrcTy) {
-    Entry = DstTy;
-    return;
-  }
-
   // Check to see if these types are recursively isomorphic and establish a
   // mapping between them if so.
   if (areTypesIsomorphic(DstTy, SrcTy)) {