Silence warning while compiling with gcc 4.2

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41676 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 2 deletions

diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index ba428c5..134d276 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -81,7 +81,8 @@ void ilist_traits<MachineInstr>::transferNodesFromList(
 MachineBasicBlock::iterator MachineBasicBlock::getFirstTerminator() {
   const TargetInstrInfo& TII = *getParent()->getTarget().getInstrInfo();
   iterator I = end();
-  while (I != begin() && TII.isTerminatorInstr((--I)->getOpcode()));
+  while (I != begin() && TII.isTerminatorInstr((--I)->getOpcode()))
+    ; /*noop */
   if (I != end() && !TII.isTerminatorInstr(I->getOpcode())) ++I;
   return I;
 }
diff --git a/lib/Transforms/Utils/DemoteRegToStack.cpp b/lib/Transforms/Utils/DemoteRegToStack.cpp
index df332b2..95b28f1 100644
--- a/lib/Transforms/Utils/DemoteRegToStack.cpp
+++ b/lib/Transforms/Utils/DemoteRegToStack.cpp
@@ -122,7 +122,8 @@ AllocaInst* llvm::DemotePHIToStack(PHINode *P) {
   // Insert load in place of the phi and replace all uses.
   BasicBlock::iterator InsertPt;
   for (InsertPt = P->getParent()->getInstList().begin(); 
-       isa<PHINode>(InsertPt); ++InsertPt);
+       isa<PHINode>(InsertPt); ++InsertPt)
+    ; /*noop */
   Value *V = new LoadInst(Slot, P->getName()+".reload", P);
   P->replaceAllUsesWith(V);