From: Nick Lewycky <nicholas@mxc.ca>
Date: Wed, 26 Jan 2011 09:13:58 +0000 (+0000)
Subject: Teach mergefunc that intptr_t is the same width as a pointer. We still can't
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=207c193e7e9cc177115101333079e952a7676689;p=oota-llvm.git

Teach mergefunc that intptr_t is the same width as a pointer. We still can't
merge vector<intptr_t>::push_back() and vector<void*>::push_back() because
Enumerate() doesn't realize that "i64* null" and "i8** null" are equivalent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124285 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/MergeFunctions.cpp b/lib/Transforms/IPO/MergeFunctions.cpp
index 8aa7cb24b95..49679baaeb7 100644
--- a/lib/Transforms/IPO/MergeFunctions.cpp
+++ b/lib/Transforms/IPO/MergeFunctions.cpp
@@ -286,8 +286,14 @@ bool FunctionComparator::isEquivalentType(const Type *Ty1,
                                           const Type *Ty2) const {
   if (Ty1 == Ty2)
     return true;
-  if (Ty1->getTypeID() != Ty2->getTypeID())
+  if (Ty1->getTypeID() != Ty2->getTypeID()) {
+    if (TD) {
+      LLVMContext &Ctx = Ty1->getContext();
+      if (isa<PointerType>(Ty1) && Ty2 == TD->getIntPtrType(Ctx)) return true;
+      if (isa<PointerType>(Ty2) && Ty1 == TD->getIntPtrType(Ctx)) return true;
+    }
     return false;
+  }
 
   switch(Ty1->getTypeID()) {
   default: