From 5b348718df4062efccf1559928c51df9ecce946e Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 21 Apr 2003 21:33:44 +0000
Subject: [PATCH] Add support for a simple constantexpr: cast of one ptr type
 to another

llvm-svn: 5829
---
 llvm/lib/Target/X86/InstSelectSimple.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/llvm/lib/Target/X86/InstSelectSimple.cpp b/llvm/lib/Target/X86/InstSelectSimple.cpp
index 91d3013ecd0f..6adccb15e8a9 100644
--- a/llvm/lib/Target/X86/InstSelectSimple.cpp
+++ b/llvm/lib/Target/X86/InstSelectSimple.cpp
@@ -307,6 +307,11 @@ void ISel::copyConstantToRegister(MachineBasicBlock *MBB,
       emitGEPOperation(MBB, IP, CE->getOperand(0),
                        CE->op_begin()+1, CE->op_end(), R);
       return;
+    } else if (CE->getOpcode() == Instruction::Cast &&
+               isa<PointerType>(CE->getType()) &&
+               isa<PointerType>(CE->getOperand(0)->getType())) {
+      copyConstantToRegister(MBB, IP, cast<Constant>(CE->getOperand(0)), R);
+      return;
     }
 
     std::cerr << "Offending expr: " << C << "\n";