[NFC][Clang] Use isa_and_nonnull instead of VD && isa<VarDecl>(VD)

[yronglin]

This issue was found in #86960. But I'd like to avoid mixing together a bunch of cleanups with actual changes.

[llvmbot]

@llvm/pr-subscribers-clang-codegen

@llvm/pr-subscribers-clang

Author: None (yronglin)

Changes

This issue was found in #86960. But I'd like to avoid mixing together a bunch of cleanups with actual changes.

---

Full diff: https://github.com/llvm/llvm-project/pull/93207.diff

1 Files Affected:

• (modified) clang/lib/CodeGen/CGExpr.cpp (+2-2)

diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 4072025376768..d6478cc6835d8 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -317,8 +317,8 @@ pushTemporaryCleanup(CodeGenFunction &CGF, const MaterializeTemporaryExpr *M,
         CleanupKind CleanupKind;
         if (Lifetime == Qualifiers::OCL_Strong) {
           const ValueDecl *VD = M->getExtendingDecl();
-          bool Precise =
-              VD && isa<VarDecl>(VD) && VD->hasAttr<ObjCPreciseLifetimeAttr>();
+          bool Precise = isa_and_nonnull<VarDecl>(VD) &&
+                         VD->hasAttr<ObjCPreciseLifetimeAttr>();
           CleanupKind = CGF.getARCCleanupKind();
           Destroy = Precise ? &CodeGenFunction::destroyARCStrongPrecise
                             : &CodeGenFunction::destroyARCStrongImprecise;