clang/Sema/SemaPPC.h

0001 //===----- SemaPPC.h ------- PPC target-specific routines -----*- C++ -*---===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 /// \file
0009 /// This file declares semantic analysis functions specific to PowerPC.
0010 ///
0011 //===----------------------------------------------------------------------===//
0012
0013 #ifndef LLVM_CLANG_SEMA_SEMAPPC_H
0014 #define LLVM_CLANG_SEMA_SEMAPPC_H
0015
0016 #include "clang/AST/ASTFwd.h"
0017 #include "clang/AST/Type.h"
0018 #include "clang/Basic/SourceLocation.h"
0019 #include "clang/Sema/SemaBase.h"
0020
0021 namespace clang {
0022 class TargetInfo;
0023
0024 class SemaPPC : public SemaBase {
0025 public:
0026   SemaPPC(Sema &S);
0027
0028   bool CheckPPCBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID,
0029                                    CallExpr *TheCall);
0030   // 16 byte ByVal alignment not due to a vector member is not honoured by XL
0031   // on AIX. Emit a warning here that users are generating binary incompatible
0032   // code to be safe.
0033   // Here we try to get information about the alignment of the struct member
0034   // from the struct passed to the caller function. We only warn when the struct
0035   // is passed byval, hence the series of checks and early returns if we are a
0036   // not passing a struct byval.
0037   void checkAIXMemberAlignment(SourceLocation Loc, const Expr *Arg);
0038
0039   /// BuiltinPPCMMACall - Check the call to a PPC MMA builtin for validity.
0040   /// Emit an error and return true on failure; return false on success.
0041   /// TypeStr is a string containing the type descriptor of the value returned
0042   /// by the builtin and the descriptors of the expected type of the arguments.
0043   bool BuiltinPPCMMACall(CallExpr *TheCall, unsigned BuiltinID,
0044                          const char *TypeDesc);
0045
0046   bool CheckPPCMMAType(QualType Type, SourceLocation TypeLoc);
0047
0048   // Customized Sema Checking for VSX builtins that have the following
0049   // signature: vector [...] builtinName(vector [...], vector [...], const int);
0050   // Which takes the same type of vectors (any legal vector type) for the first
0051   // two arguments and takes compile time constant for the third argument.
0052   // Example builtins are :
0053   // vector double vec_xxpermdi(vector double, vector double, int);
0054   // vector short vec_xxsldwi(vector short, vector short, int);
0055   bool BuiltinVSX(CallExpr *TheCall);
0056 };
0057 } // namespace clang
0058
0059 #endif // LLVM_CLANG_SEMA_SEMAPPC_H