[clang-tools-extra] [clang-tidy] Speed up misc-static-initialization-cycle (PR #224243)

[Zeyi Xu via cfe-commits]

https://github.com/zeyi2 created https://github.com/llvm/llvm-project/pull/224243

None

>From cfd48c8a97268ae995938687fa565adf983655e4 Mon Sep 17 00:00:00 2001
From: Zeyi Xu <mitchell.xu2 at gmail.com>
Date: Thu, 17 Sep 2026 17:14:50 +0800
Subject: [PATCH] [clang-tidy] Speed up misc-static-initialization-cycle

---
 .../clang-tidy/misc/StaticInitializationCycleCheck.cpp     | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/clang-tools-extra/clang-tidy/misc/StaticInitializationCycleCheck.cpp b/clang-tools-extra/clang-tidy/misc/StaticInitializationCycleCheck.cpp
index 7b1e86b7804fa..aabb7bb71ac4c 100644
--- a/clang-tools-extra/clang-tidy/misc/StaticInitializationCycleCheck.cpp
+++ b/clang-tools-extra/clang-tidy/misc/StaticInitializationCycleCheck.cpp
@@ -199,8 +199,8 @@ class VarUseCollector : public DynamicRecursiveASTVisitor {
 
   bool VisitDeclRefExpr(DeclRefExpr *DRE) override {
     if (const auto *VarD = dyn_cast<VarDecl>(DRE->getDecl());
-        VarD && (!shouldIgnoreRef(DRE, Node->getDecl()) &&
-                 (VarD->hasGlobalStorage() || VarD->isStaticLocal())))
+        VarD && VarD->hasGlobalStorage() &&
+        !shouldIgnoreRef(DRE, Node->getDecl()))
       Node->Uses.emplace_back(DRE, G.addNode(VarD->getCanonicalDecl()));
     return true;
   }
@@ -240,7 +240,8 @@ class VarUseGraphBuilder : public DynamicRecursiveASTVisitor {
   }
 
   bool VisitFunctionDecl(FunctionDecl *FD) override {
-    if (FD->isGlobal() || FD->isStatic()) {
+    if ((FD->isGlobal() || FD->isStatic()) &&
+        FD->doesThisDeclarationHaveABody()) {
       if (Stmt *Body = FD->getBody()) {
         VarUseNode *N = G.addNode(FD);
         VarUseCollector Collector(N, G);