Update prebuilt Clang to r416183b from Android.
https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef
clang 12.0.5 (based on r416183b) from build 7284624.
Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/clang-tidy/readability/NonConstParameterCheck.h b/linux-x64/clang/include/clang-tidy/readability/NonConstParameterCheck.h
new file mode 100644
index 0000000..39959e6
--- /dev/null
+++ b/linux-x64/clang/include/clang-tidy/readability/NonConstParameterCheck.h
@@ -0,0 +1,63 @@
+//===--- NonConstParameterCheck.h - clang-tidy-------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_NON_CONST_PARAMETER_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_NON_CONST_PARAMETER_H
+
+#include "../ClangTidyCheck.h"
+
+namespace clang {
+namespace tidy {
+namespace readability {
+
+/// Warn when a pointer function parameter can be const.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/readability-non-const-parameter.html
+class NonConstParameterCheck : public ClangTidyCheck {
+public:
+ NonConstParameterCheck(StringRef Name, ClangTidyContext *Context)
+ : ClangTidyCheck(Name, Context) {}
+ void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+ void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+ void onEndOfTranslationUnit() override;
+
+private:
+ /// Parameter info.
+ struct ParmInfo {
+ /// Is function parameter referenced?
+ bool IsReferenced;
+
+ /// Can function parameter be const?
+ bool CanBeConst;
+ };
+
+ /// Track all nonconst integer/float parameters.
+ std::map<const ParmVarDecl *, ParmInfo> Parameters;
+
+ /// Add function parameter.
+ void addParm(const ParmVarDecl *Parm);
+
+ /// Set IsReferenced.
+ void setReferenced(const DeclRefExpr *Ref);
+
+ /// Set CanNotBeConst.
+ /// Visits sub expressions recursively. If a DeclRefExpr is found
+ /// and CanNotBeConst is true the Parameter is marked as not-const.
+ /// The CanNotBeConst is updated as sub expressions are visited.
+ void markCanNotBeConst(const Expr *E, bool CanNotBeConst);
+
+ /// Diagnose non const parameters.
+ void diagnoseNonConstParameters();
+};
+
+} // namespace readability
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_NON_CONST_PARAMETER_H