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Revert membar scope change, leave a comment

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Andrzej Janik 2025-09-25 19:03:29 +00:00
commit c4dc46726c
1 changed files with 2 additions and 1 deletions
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ptx/src/pass/llvm/emit.rs
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@ -3016,7 +3016,8 @@ fn get_scope_membar(scope: ast::MemScope) -> Result<*const i8, TranslateError> {
Ok(match scope { Ok(match scope {
ast::MemScope::Cta => c"workgroup", ast::MemScope::Cta => c"workgroup",
ast::MemScope::Gpu => c"agent", ast::MemScope::Gpu => c"agent",
ast::MemScope::Sys => c"system", // Don't change to "system", this is the same as __threadfence_system, AMDPGU LLVM expects "" here
ast::MemScope::Sys => c"",
ast::MemScope::Cluster => return Err(error_todo()), ast::MemScope::Cluster => return Err(error_todo()),
} }
.as_ptr()) .as_ptr())