From 81d1656514d07b6b6fc760c950c4bc719c6e728f Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Mon, 11 Mar 2019 16:51:37 +0000
Subject: [PATCH] [TableGen] Replace a dyn_cast with isa to avoid an unused
 variable warning introduced in r355785. NFC

llvm-svn: 355837
---
 llvm/utils/TableGen/DAGISelMatcher.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/llvm/utils/TableGen/DAGISelMatcher.cpp b/llvm/utils/TableGen/DAGISelMatcher.cpp
index b2d819c..bebd205 100644
--- a/llvm/utils/TableGen/DAGISelMatcher.cpp
+++ b/llvm/utils/TableGen/DAGISelMatcher.cpp
@@ -414,14 +414,10 @@ bool CheckValueTypeMatcher::isContradictoryImpl(const Matcher *M) const {
 
 bool CheckImmAllOnesVMatcher::isContradictoryImpl(const Matcher *M) const {
   // AllZeros is contradictory.
-  if (const auto *CIAZVM = dyn_cast<CheckImmAllZerosVMatcher>(M))
-    return true;
-  return false;
+  return isa<CheckImmAllZerosVMatcher>(M);
 }
 
 bool CheckImmAllZerosVMatcher::isContradictoryImpl(const Matcher *M) const {
   // AllOnes is contradictory.
-  if (const auto *CIAOVM = dyn_cast<CheckImmAllOnesVMatcher>(M))
-    return true;
-  return false;
+  return isa<CheckImmAllOnesVMatcher>(M);
 }
-- 
2.7.4