From: Craig Topper <craig.topper@intel.com>
Date: Mon, 11 Mar 2019 16:51:37 +0000 (+0000)
Subject: [TableGen] Replace a dyn_cast with isa to avoid an unused variable warning introduced... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1063a019c3fb9517389a06ad3cff4444ffa36cc7;p=llvm

[TableGen] Replace a dyn_cast with isa to avoid an unused variable warning introduced in r355785. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@355837 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/utils/TableGen/DAGISelMatcher.cpp b/utils/TableGen/DAGISelMatcher.cpp
index b2d819cae9e..bebd205ad58 100644
--- a/utils/TableGen/DAGISelMatcher.cpp
+++ b/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);
 }