From 701cd622978ffe8c3197c0c465b97c5f2aeb8346 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 21 Sep 2010 19:41:58 +0000
Subject: [PATCH] even though I'm about to rip it out, simplify the address
 mode stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114468 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86ISelDAGToDAG.cpp |  6 ++---
 lib/Target/X86/X86InstrInfo.td     | 35 ++++++++++--------------------
 2 files changed, 13 insertions(+), 28 deletions(-)

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 0c3c7734e39..da2a525e4a8 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -404,10 +404,8 @@ static bool isCalleeLoad(SDValue Callee, SDValue &Chain, bool HasCallSeq) {
     return false;
 
   // FIXME: Calls can't fold loads through segment registers yet.
-  if (const Value *Src = LD->getSrcValue())
-    if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
-      if (PT->getAddressSpace() >= 256)
-        return false;
+  if (LD->getPointerInfo().getAddrSpace() > 255)
+    return false;
   
   // Now let's find the callseq_start.
   while (HasCallSeq && Chain.getOpcode() != ISD::CALLSEQ_START) {
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 8db1dc76de4..ac661dc7bd4 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -421,25 +421,17 @@ def i32immSExt8  : PatLeaf<(i32 immSext8)>;
 
 /// Load patterns: these constraint the match to the right address space.
 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
-  if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
-    if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
-      if (PT->getAddressSpace() > 255)
-        return false;
+  if (cast<LoadSDNode>(N)->getPointerInfo().getAddrSpace() > 255)
+    return false;
   return true;
 }]>;
 
 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
-  if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
-    if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
-      return PT->getAddressSpace() == 256;
-  return false;
+  return cast<LoadSDNode>(N)->getPointerInfo().getAddrSpace() == 256;
 }]>;
 
 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
-  if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
-    if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
-      return PT->getAddressSpace() == 257;
-  return false;
+  return cast<LoadSDNode>(N)->getPointerInfo().getAddrSpace() == 257;
 }]>;
 
 
@@ -448,10 +440,9 @@ def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
 // known to be 32-bit aligned or better. Ditto for i8 to i16.
 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
   LoadSDNode *LD = cast<LoadSDNode>(N);
-  if (const Value *Src = LD->getSrcValue())
-    if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
-      if (PT->getAddressSpace() > 255)
-        return false;
+  if (LD->getPointerInfo().getAddrSpace() > 255)
+    return false;
+
   ISD::LoadExtType ExtType = LD->getExtensionType();
   if (ExtType == ISD::NON_EXTLOAD)
     return true;
@@ -462,10 +453,8 @@ def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
 
 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
   LoadSDNode *LD = cast<LoadSDNode>(N);
-  if (const Value *Src = LD->getSrcValue())
-    if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
-      if (PT->getAddressSpace() > 255)
-        return false;
+  if (LD->getPointerInfo().getAddrSpace() > 255)
+    return false;
   ISD::LoadExtType ExtType = LD->getExtensionType();
   if (ExtType == ISD::EXTLOAD)
     return LD->getAlignment() >= 2 && !LD->isVolatile();
@@ -474,10 +463,8 @@ def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
 
 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
   LoadSDNode *LD = cast<LoadSDNode>(N);
-  if (const Value *Src = LD->getSrcValue())
-    if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
-      if (PT->getAddressSpace() > 255)
-        return false;
+  if (LD->getPointerInfo().getAddrSpace() > 255)
+    return false;
   ISD::LoadExtType ExtType = LD->getExtensionType();
   if (ExtType == ISD::NON_EXTLOAD)
     return true;
-- 
2.34.1