diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp
index c3675dc2cda..f2b5cec2e19 100644
--- a/lib/Target/PowerPC/PPC32ISelSimple.cpp
+++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp
@@ -1914,7 +1914,6 @@ void PPC32ISel::LowerUnknownIntrinsicFunctionCalls(Function &F) {
           case Intrinsic::readio: {
             // On PPC, memory operations are in-order.  Lower this intrinsic
             // into a volatile load.
-            Instruction *Before = CI->getPrev();
             LoadInst * LI = new LoadInst(CI->getOperand(1), "", true, CI);
             CI->replaceAllUsesWith(LI);
             BB->getInstList().erase(CI);
@@ -1923,7 +1922,6 @@ void PPC32ISel::LowerUnknownIntrinsicFunctionCalls(Function &F) {
           case Intrinsic::writeio: {
             // On PPC, memory operations are in-order.  Lower this intrinsic
             // into a volatile store.
-            Instruction *Before = CI->getPrev();
             StoreInst *SI = new StoreInst(CI->getOperand(1),
                                           CI->getOperand(2), true, CI);
             CI->replaceAllUsesWith(SI);
diff --git a/lib/Target/PowerPC/PPC64ISelSimple.cpp b/lib/Target/PowerPC/PPC64ISelSimple.cpp
index 9fe34223838..30531b6eeef 100644
--- a/lib/Target/PowerPC/PPC64ISelSimple.cpp
+++ b/lib/Target/PowerPC/PPC64ISelSimple.cpp
@@ -1519,7 +1519,6 @@ void PPC64ISel::LowerUnknownIntrinsicFunctionCalls(Function &F) {
           case Intrinsic::readio: {
             // On PPC, memory operations are in-order.  Lower this intrinsic
             // into a volatile load.
-            Instruction *Before = CI->getPrev();
             LoadInst * LI = new LoadInst(CI->getOperand(1), "", true, CI);
             CI->replaceAllUsesWith(LI);
             BB->getInstList().erase(CI);
@@ -1528,7 +1527,6 @@ void PPC64ISel::LowerUnknownIntrinsicFunctionCalls(Function &F) {
           case Intrinsic::writeio: {
             // On PPC, memory operations are in-order.  Lower this intrinsic
             // into a volatile store.
-            Instruction *Before = CI->getPrev();
             StoreInst *SI = new StoreInst(CI->getOperand(1),
                                           CI->getOperand(2), true, CI);
             CI->replaceAllUsesWith(SI);
diff --git a/lib/Target/X86/X86ISelSimple.cpp b/lib/Target/X86/X86ISelSimple.cpp
index a40658946fc..b39396854dd 100644
--- a/lib/Target/X86/X86ISelSimple.cpp
+++ b/lib/Target/X86/X86ISelSimple.cpp
@@ -1762,7 +1762,6 @@ void X86ISel::LowerUnknownIntrinsicFunctionCalls(Function &F) {
           case Intrinsic::readio: {
             // On X86, memory operations are in-order.  Lower this intrinsic
             // into a volatile load.
-            Instruction *Before = CI->getPrev();
             LoadInst * LI = new LoadInst(CI->getOperand(1), "", true, CI);
             CI->replaceAllUsesWith(LI);
             BB->getInstList().erase(CI);
@@ -1771,7 +1770,6 @@ void X86ISel::LowerUnknownIntrinsicFunctionCalls(Function &F) {
           case Intrinsic::writeio: {
             // On X86, memory operations are in-order.  Lower this intrinsic
             // into a volatile store.
-            Instruction *Before = CI->getPrev();
             StoreInst *LI = new StoreInst(CI->getOperand(1),
                                           CI->getOperand(2), true, CI);
             CI->replaceAllUsesWith(LI);