VectorizationDiagnosticHandler Class Reference

#include <llvmexpr/codegen/llvm/Diagnostics.hpp>

Public Member Functions
	VectorizationDiagnosticHandler ()
void	setOriginalHandler (llvm::DiagnosticHandler::DiagnosticHandlerTy handler, void *context)
void	handleDiagnostic (const llvm::DiagnosticInfo &di)
bool	hasVectorizationFailed () const
void	reset ()

Static Public Member Functions
static void	diagnosticHandlerCallback (const llvm::DiagnosticInfo *di, void *context)

Detailed Description

Copyright (C) 2025 yuygfgg

This file is part of Vapoursynth-llvmexpr.

Vapoursynth-llvmexpr is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Vapoursynth-llvmexpr is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Vapoursynth-llvmexpr. If not, see https://www.gnu.org/licenses/.

Definition at line 28 of file Diagnostics.hpp.

Constructor & Destructor Documentation

VectorizationDiagnosticHandler()

VectorizationDiagnosticHandler::VectorizationDiagnosticHandler

(

)

Copyright (C) 2025 yuygfgg

This file is part of Vapoursynth-llvmexpr.

Vapoursynth-llvmexpr is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Vapoursynth-llvmexpr is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Vapoursynth-llvmexpr. If not, see https://www.gnu.org/licenses/.

Definition at line 27 of file Diagnostics.cpp.

    : vectorization_failed(false), original_handler(nullptr),
      original_context(nullptr) {}

Referenced by diagnosticHandlerCallback().

Member Function Documentation

diagnosticHandlerCallback()

void VectorizationDiagnosticHandler::diagnosticHandlerCallback ( const llvm::DiagnosticInfo * di, void * context )

static

Definition at line 68 of file Diagnostics.cpp.

                                                 {
    static_cast<VectorizationDiagnosticHandler*>(context)->handleDiagnostic(
        *di);
}

References handleDiagnostic(), and VectorizationDiagnosticHandler().

handleDiagnostic()

void VectorizationDiagnosticHandler::handleDiagnostic

(

const llvm::DiagnosticInfo &

di

)

Definition at line 37 of file Diagnostics.cpp.

                                  {
    bool should_suppress = false;
 
    if (di.getSeverity() == llvm::DS_Remark ||
        di.getSeverity() == llvm::DS_Warning) {
        std::string msg;
        llvm::raw_string_ostream stream(msg);
        llvm::DiagnosticPrinterRawOStream printer(stream);
        di.print(printer);
 
        if (msg.find("loop not vectorized") != std::string::npos) {
            vectorization_failed.store(true);
            should_suppress = true;
        }
    }
 
    // Call original handler for all diagnostics except "loop not vectorized"
    if (!should_suppress && (original_handler != nullptr)) {
        original_handler(&di, original_context);
    }
}

Referenced by diagnosticHandlerCallback().

hasVectorizationFailed()

bool VectorizationDiagnosticHandler::hasVectorizationFailed ( ) const

nodiscard

Definition at line 60 of file Diagnostics.cpp.

                                                                  {
    return vectorization_failed.load();
}

reset()

void VectorizationDiagnosticHandler::reset

(

)

Definition at line 64 of file Diagnostics.cpp.

                                           {
    vectorization_failed.store(false);
}

setOriginalHandler()

void VectorizationDiagnosticHandler::setOriginalHandler	(	llvm::DiagnosticHandler::DiagnosticHandlerTy	handler,
		void *	context )

Definition at line 31 of file Diagnostics.cpp.

                                                                     {
    original_handler = handler;
    original_context = context;
}

---

The documentation for this class was generated from the following files:

• llvmexpr/codegen/llvm/Diagnostics.hpp
• llvmexpr/codegen/llvm/Diagnostics.cpp