Avoid build warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77271 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index 72ed22b06cf713359e8aec251a510093d3a11d47..7aa9cf543f9fe8774f7d1302592dcf7b6850a93b 100644 (file)
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -1308,6 +1308,7 @@ bool SimpleRegisterCoalescing::JoinCopy(CopyRec &TheCopy, bool &Again) {
       DEBUG(errs() << "\tIncompatible source regclass: "
             << tri_->getName(DstSubReg) << " not in " << SrcSubRC->getName()
             << ".\n");
+      (void)DstSubReg;
       return false;             // Not coalescable.
     }
   }

diff --git a/lib/Transforms/Scalar/LoopUnroll.cpp b/lib/Transforms/Scalar/LoopUnroll.cpp
index 3250288addcf82274af8db1512d80a26d22b7bca..7d551f1001ee27f3a29a4d30c9820a459fc4910c 100644 (file)
--- a/lib/Transforms/Scalar/LoopUnroll.cpp
+++ b/lib/Transforms/Scalar/LoopUnroll.cpp
@@ -121,6 +121,7 @@ bool LoopUnroll::runOnLoop(Loop *L, LPPassManager &LPM) {
   BasicBlock *Header = L->getHeader();
   DEBUG(errs() << "Loop Unroll: F[" << Header->getParent()->getName()
         << "] Loop %" << Header->getName() << "\n");
+  (void)Header;
 
   // Find trip count
   unsigned TripCount = L->getSmallConstantTripCount();

diff --git a/lib/Transforms/Utils/LowerSwitch.cpp b/lib/Transforms/Utils/LowerSwitch.cpp
index 89adb9829b8daff22c29237dfbce65b74146dfa8..17e40e1a23a6f73766f6cdc8afab69551c24e645 100644 (file)
--- a/lib/Transforms/Utils/LowerSwitch.cpp
+++ b/lib/Transforms/Utils/LowerSwitch.cpp
@@ -309,6 +309,7 @@ void LowerSwitch::processSwitchInst(SwitchInst *SI) {
   DEBUG(errs() << "Clusterify finished. Total clusters: " << Cases.size()
                << ". Total compares: " << numCmps << "\n");
   DEBUG(errs() << "Cases: " << Cases << "\n");
+  (void)numCmps;
   
   BasicBlock* SwitchBlock = switchConvert(Cases.begin(), Cases.end(), Val,
                                           OrigBlock, NewDefault);