[PATCH] D151725: [clang] Move dyn_cast's into if statements for readability

[Dmitri Gribenko via Phabricator via cfe-commits]

gribozavr created this revision.
gribozavr added a reviewer: NoQ.
Herald added subscribers: steakhal, martong.
Herald added a project: All.
gribozavr requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D151725

Files:
  clang/lib/StaticAnalyzer/Core/MemRegion.cpp


Index: clang/lib/StaticAnalyzer/Core/MemRegion.cpp
===================================================================
--- clang/lib/StaticAnalyzer/Core/MemRegion.cpp
+++ clang/lib/StaticAnalyzer/Core/MemRegion.cpp
@@ -712,21 +712,17 @@
 }
 
 SourceRange MemRegion::sourceRange() const {
-  const auto *const VR = dyn_cast<VarRegion>(this->getBaseRegion());
-  const auto *const FR = dyn_cast<FieldRegion>(this);
-
   // Check for more specific regions first.
-  // FieldRegion
-  if (FR) {
+  if (auto *FR = dyn_cast<FieldRegion>(this)) {
     return FR->getDecl()->getSourceRange();
   }
-  // VarRegion
-  else if (VR) {
+
+  if (auto *VR = dyn_cast<VarRegion>(this->getBaseRegion())) {
     return VR->getDecl()->getSourceRange();
   }
+
   // Return invalid source range (can be checked by client).
-  else
-    return {};
+  return {};
 }
 
 //===----------------------------------------------------------------------===//


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