From 07406346ebbf8a958a956eb05c1e04faedfe1e63 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 10 Jul 2009 06:07:08 +0000
Subject: [PATCH] convert some late code (called by regalloc and code emission)
 to use isGlobalStubReference instead of GVRequiresExtraLoad (which should
 really be part of isel).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75234 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86CodeEmitter.cpp |  6 +++---
 lib/Target/X86/X86InstrInfo.cpp   | 11 ++---------
 2 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index b0bc6783bd1..dff2c36e1fa 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -293,15 +293,15 @@ static bool isDisp8(int Value) {
 
 static bool gvNeedsNonLazyPtr(const MachineOperand &GVOp,
                               const TargetMachine &TM) {
-  const GlobalValue *GV = GVOp.getGlobal();
-  
   // For Darwin-64, simulate the linktime GOT by using the same non-lazy-pointer
   // mechanism as 32-bit mode.
   if (TM.getSubtarget<X86Subtarget>().is64Bit() && 
       !TM.getSubtarget<X86Subtarget>().isTargetDarwin())
     return false;
   
-  return TM.getSubtarget<X86Subtarget>().GVRequiresExtraLoad(GV, TM);
+  // Return true if this is a reference to a stub containing the address of the
+  // global, not the global itself.
+  return isGlobalStubReference(GVOp);
 }
 
 template<class CodeEmitter>
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 9f799fc73ae..3e565313f8a 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -762,7 +762,6 @@ unsigned X86InstrInfo::isStoreToStackSlot(const MachineInstr *MI,
   return 0;
 }
 
-
 /// regIsPICBase - Return true if register is PIC base (i.e.g defined by
 /// X86::MOVPC32r.
 static bool regIsPICBase(unsigned BaseReg, const MachineRegisterInfo &MRI) {
@@ -778,12 +777,6 @@ static bool regIsPICBase(unsigned BaseReg, const MachineRegisterInfo &MRI) {
   return isPICBase;
 }
 
-/// isGVStub - Return true if the GV requires an extra load to get the
-/// real address.
-static inline bool isGVStub(GlobalValue *GV, X86TargetMachine &TM) {
-  return TM.getSubtarget<X86Subtarget>().GVRequiresExtraLoad(GV, TM);
-}
-
 /// CanRematLoadWithDispOperand - Return true if a load with the specified
 /// operand is a candidate for remat: for this to be true we need to know that
 /// the load will always return the same value, even if moved.
@@ -796,7 +789,7 @@ static bool CanRematLoadWithDispOperand(const MachineOperand &MO,
   if (MO.isGlobal()) {
     // If this is a load of a stub, not of the global, we can remat it.  This
     // access will always return the address of the global.
-    if (isGVStub(MO.getGlobal(), TM))
+    if (isGlobalStubReference(MO))
       return true;
     
     // If the global itself is constant, we can remat the load.
@@ -987,7 +980,7 @@ bool X86InstrInfo::isInvariantLoad(const MachineInstr *MI) const {
       return true;
 
     if (MO.isGlobal())
-      return isGVStub(MO.getGlobal(), TM);
+      return isGlobalStubReference(MO);
 
     // If this is a load from an invariant stack slot, the load is a constant.
     if (MO.isFI()) {