From 760377effc70dae9703211f7e45dac2fb73699fd Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 2 Jun 2009 21:29:13 +0000
Subject: Fix CodeGenPrepare's address-mode sinking to handle unusual
 addresses, involving Base values which do not have Pointer type. This fixes
 PR4297.

llvm-svn: 72739
---
 llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp')

diff --git a/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp b/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 342b1e563d0..42978e753d1 100644
--- a/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -624,8 +624,11 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr,
     // Add in the base register.
     if (AddrMode.BaseReg) {
       Value *V = AddrMode.BaseReg;
-      if (V->getType() != IntPtrTy)
+      if (isa<PointerType>(V->getType()))
         V = new PtrToIntInst(V, IntPtrTy, "sunkaddr", InsertPt);
+      if (V->getType() != IntPtrTy)
+        V = CastInst::CreateIntegerCast(V, IntPtrTy, /*isSigned=*/true,
+                                        "sunkaddr", InsertPt);
       if (Result)
         Result = BinaryOperator::CreateAdd(Result, V, "sunkaddr", InsertPt);
       else
-- 
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