From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 25 Nov 2014 13:19:46 +0000 (+0000)
Subject: Remove a bit of duplicated code.
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=b959a30a14737fd7dc31020af14f72cfa6e18b94

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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222758 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index 504073887c3..44b4bce3131 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -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)) {