I need compile OpenCL kernels in SPIR-V to use with Vulkan, I tried with Google CLSPV https://github.com/google/clspv, but the problem occur with vectorization, functions like vload8 doesn't work. ...

Please help me to understand how can I comment out a single line from a clang-tidy configuration file.

I am testing ranges from C++ 20 , and this is my main.cpp: #include <ranges> #include <iostream> int main() { auto const ints = {0,1,2,3,4,5}; auto even = [](int i) { return 0 == i %...

I would like to disable specific known warnings in C++ code coming from a library header when compiling my own code. There are clang and gcc specific methods for disabling the warnings. The way thi...

I am using Linux Mint and I installed clang_complete using the makefile from Clang Complete, but it does not work. When I open a cpp file, there is an error message: Loading libclang failed, comple...

On the YouCompleteMe Documentation, there are two options for setting up support for C/C++ semantic support. The first is using a compilation database with CMake (e.g. the file compile_commands.jso...

I have this simple hello world program: #include <stdio.h> int main() { printf("Hello, world!\n"); return 0; } I compiled this program with LLVM Clang (v15.0.1, built from Homeb...

Generally _Atomic does not imply semantics of volatile, i.e. operations on the atomic object are not observable side effects that the compiler needs to preserve. As a consequence the compiler can o...

Generally std::atomic<T> does not imply semantics of volatile, i.e. operations on the atomic object are not observable side effects that the compiler needs to preserve. As a consequence the c...

I'm trying to generate Ninja makefiles to cross compile a C++ project with Clang for an ARM Cortex A5 CPU. I created a toolchain file for CMake but it seems like there is an error or something miss...

For code: #if defined(FOO) && FOO(foo) #error "FOO is defined." #else #error "FOO is not defined." #endif MSVC 19.38 prints: <source>(1): warning C4067: unexpec...

I am currently using travis ci to check patches as they come into github and am trying to figure out if there is anyway for clang-format 3.9 (since travis ci will only support ubuntu 14.04 currentl...

I want to know what the default c++ language standard version that is used by my compiler is when I do something like g++ main.cpp. I know I can run g++ -v for the compiler version, which for examp...

I'm writing a constexpr code and I would like to inspect computed values at compile time. The usual trick is to do something like this: struct ReturnValue { int value1; int value2; }; constexpr...

Consider the following C++ code example: #include<iostream> class B { public: int val; B(int v):val(v){ std::cout<< val << "\n"; } }; template<typename T> c...

Please note that this question is not about YUV422 to RGB conversion! I have this code for a pixel order YUV422 to RGB conversion. static void yuv422ToRGB(unsigned char* img, int width, int height...

The following code (godbolt): #include <iostream> #include <vector> #include <ranges> struct S { float x = 150.f; S f() const { return *this; } }; int main() { std::vect...

On my version of Mac OS X (10.7.1 (Lion) and Xcode 4.1), there is LLVM 3.0svn and Clang 2.1. The current versions are LLVM 3.0 and Clang 3.0. From the Xcode web site, it seems that the latest versi...

Is there some way to detect the bad usage of bool values in code like #include <stdbool.h> void *foo(void) { return false; } int bar(void) { return true; } Both functions are accepted ...

Xcode automatically updated yesterday and now I can't build my app anymore. Xcode version is 15.4 clang version is 15.0.0 And when I try to run/build the app this is the error I get: /clang:1:1 ...

I'm building a substratum theme from https://github.com/substratum/template I'm getting the following errors on run: Build command failed. Error while executing process /home/anubhav/Android/Sdk/...

I'm using clang-format (version 8.0.0 (tags/google/stable/2019-01-18)) with a style file, in which I set … PointerAlignment: Left … This succeeds in transforming declarations such as this one cons...

I'm working on a program written in C that I occasionally build with address sanitizer, basically to catch bugs. The program prints a banner in the logs when it starts up with info such as: who bui...

I'm running OS X, 10.8.5; I've installed llvm 3.4 via homebrew (clang version 3.4 (tags/RELEASE_34/final) ), and I'm building with -fsanitize=address. I can get asan working with simple demo progra...

I've encountered a really weird problem with clang. When I compile my code with C++20 using gcc-11 everything is fine. The problem appears when I try to compile it with C++20 and clang-14 (using cl...