Fix unused variable warnings after r303678

This should fix lld-x86_64-darwin13

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303683 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/GlobalISelEmitter.cpp b/utils/TableGen/GlobalISelEmitter.cpp
index 34920ce02e2feaf35bbbf86dec7a6af12b1c65f5..eaa89eae22abd3d77baa69f2f39be47fc7b43d22 100644 (file)
--- a/utils/TableGen/GlobalISelEmitter.cpp
+++ b/utils/TableGen/GlobalISelEmitter.cpp
@@ -135,7 +135,7 @@ static Error isTrivialOperatorNode(const TreePatternNode *N) {
   std::string Explanation = "";
   std::string Separator = "";
   if (N->isLeaf()) {
-    if (IntInit *Int = dyn_cast<IntInit>(N->getLeafValue()))
+    if (isa<IntInit>(N->getLeafValue()))
       return Error::success();
 
     Explanation = "Is a leaf";
@@ -1327,7 +1327,7 @@ Expected<InstructionMatcher &> GlobalISelEmitter::createAndImportSelDAGMatcher(
 
   if (Src->isLeaf()) {
     Init *SrcInit = Src->getLeafValue();
-    if (IntInit *SrcIntInit = dyn_cast<IntInit>(SrcInit)) {
+    if (isa<IntInit>(SrcInit)) {
       InsnMatcher.addPredicate<InstructionOpcodeMatcher>(
           &Target.getInstruction(RK.getDef("G_CONSTANT")));
     } else