From 12b78db6855cfe9a338d5b6e762d1e10cadb6967 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 23 Oct 2003 18:49:23 +0000
Subject: [PATCH] We might as well strip off any CPRs before propagation

llvm-svn: 9437
---
 llvm/lib/Transforms/IPO/IPConstantPropagation.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/IPO/IPConstantPropagation.cpp b/llvm/lib/Transforms/IPO/IPConstantPropagation.cpp
index dc8698e1622d..bb21f11ffc3e 100644
--- a/llvm/lib/Transforms/IPO/IPConstantPropagation.cpp
+++ b/llvm/lib/Transforms/IPO/IPConstantPropagation.cpp
@@ -103,7 +103,10 @@ bool IPCP::processFunction(Function &F) {
     // Do we have a constant argument!?
     if (!ArgumentConstants[i].second) {
       assert(ArgumentConstants[i].first && "Unknown constant value!");
-      AI->replaceAllUsesWith(ArgumentConstants[i].first);
+      Value *V = ArgumentConstants[i].first;
+      if (ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(V))
+        V = CPR->getValue();
+      AI->replaceAllUsesWith(V);
       ++NumArgumentsProped;
     }
   return true;