diff --git a/lib/Target/X86/MachineCodeEmitter.cpp b/lib/Target/X86/MachineCodeEmitter.cpp
index d54da1d..4039f34 100644
--- a/lib/Target/X86/MachineCodeEmitter.cpp
+++ b/lib/Target/X86/MachineCodeEmitter.cpp
@@ -225,7 +225,7 @@
     MCE.emitByte(BaseOpcode + getX86RegNum(MI.getOperand(0).getReg()));
     if (MI.getNumOperands() == 2) {
       unsigned Size = 4;
-      if (Value *V = MI.getOperand(1).getVRegValue()) {
+      if (Value *V = MI.getOperand(1).getVRegValueOrNull()) {
         assert(Size == 4 && "Don't know how to emit non-pointer values!");
         MCE.emitGlobalAddress(cast<GlobalValue>(V));
       } else {
diff --git a/lib/Target/X86/Printer.cpp b/lib/Target/X86/Printer.cpp
index ae14e41..bfaa4bd 100644
--- a/lib/Target/X86/Printer.cpp
+++ b/lib/Target/X86/Printer.cpp
@@ -96,7 +96,7 @@
                     const MRegisterInfo &RI) {
   switch (MO.getType()) {
   case MachineOperand::MO_VirtualRegister:
-    if (Value *V = MO.getVRegValue()) {
+    if (Value *V = MO.getVRegValueOrNull()) {
       O << "<" << V->getName() << ">";
       return;
     }
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index ae14e41..bfaa4bd 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -96,7 +96,7 @@
                     const MRegisterInfo &RI) {
   switch (MO.getType()) {
   case MachineOperand::MO_VirtualRegister:
-    if (Value *V = MO.getVRegValue()) {
+    if (Value *V = MO.getVRegValueOrNull()) {
       O << "<" << V->getName() << ">";
       return;
     }
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index d54da1d..4039f34 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -225,7 +225,7 @@
     MCE.emitByte(BaseOpcode + getX86RegNum(MI.getOperand(0).getReg()));
     if (MI.getNumOperands() == 2) {
       unsigned Size = 4;
-      if (Value *V = MI.getOperand(1).getVRegValue()) {
+      if (Value *V = MI.getOperand(1).getVRegValueOrNull()) {
         assert(Size == 4 && "Don't know how to emit non-pointer values!");
         MCE.emitGlobalAddress(cast<GlobalValue>(V));
       } else {