[PATCH] D62006: Add "llvm_unreachable" for function RegisterBankInfo::getRegBank

Kan Shengchen via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon May 20 18:12:44 PDT 2019


skan updated this revision to Diff 200381.
skan added a comment.

fix the typo ("Register")


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62006/new/

https://reviews.llvm.org/D62006

Files:
  lib/CodeGen/GlobalISel/RegisterBankInfo.cpp


Index: lib/CodeGen/GlobalISel/RegisterBankInfo.cpp
===================================================================
--- lib/CodeGen/GlobalISel/RegisterBankInfo.cpp
+++ lib/CodeGen/GlobalISel/RegisterBankInfo.cpp
@@ -91,7 +91,9 @@
     return RB;
   if (auto *RC = RegClassOrBank.dyn_cast<const TargetRegisterClass *>())
     return &getRegBankFromRegClass(*RC);
-  return nullptr;
+
+  llvm_unreachable("RegClassOrBank is either a const RegisterBank* or "
+                   "a const TargetRegisterClass*");
 }
 
 const TargetRegisterClass &


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