commit 25c29219cb2aaa60d1c80c7ce225f0b24ccaea36
author Simon Pilgrim <llvm-dev@redking.me.uk> Mon Oct 21 17:16:03 2019 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> Mon Oct 21 17:16:03 2019 +0000
tree e8168a9bf4f0aa25e8dc63d7d216d9bc2451e105
parent 2ae2f592484cb2df6e7f9eaabc48daef75ddb380

SystemZISelLowering - supportedAddressingMode - silence static analyzer dyn_cast<> null dereference warning. NFCI.

The static analyzer is warning about a potential null dereference, but we should be able to use cast<> directly and if not assert will fire for us.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375430 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/SystemZ/SystemZISelLowering.cpp

diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index d69f578..e0ca9da 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -847,7 +847,7 @@
   }
 
   if (isa<LoadInst>(I) && I->hasOneUse()) {
-    auto *SingleUser = dyn_cast<Instruction>(*I->user_begin());
+    auto *SingleUser = cast<Instruction>(*I->user_begin());
     if (SingleUser->getParent() == I->getParent()) {
       if (isa<ICmpInst>(SingleUser)) {
         if (auto *C = dyn_cast<ConstantInt>(SingleUser->getOperand(1)))