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authorAlan Zhao <alanzhao1@users.noreply.github.com>2024-02-20 11:14:09 -0800
committerGitHub <noreply@github.com>2024-02-20 11:14:09 -0800
commita9b5753220ef1f24b1b5bb44b5ca485a66c66349 (patch)
treee78a91fb7654c0c2b626f9b5544bbc0b64d2fd90 /llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
parent807ed697beb438407905f3c728ed8c34ccc2d0d2 (diff)
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[LoopRotate][coroutines] Avoid hoisting addresses of thread-local variables outside loops in coroutines (#81937)
Because loops in coroutines may have a co_await statement that reschedules the coroutine to another thread, we cannot cache addresses of thread-local variables obtained inside a loop by moving the computation of thoes addresses outside a loop. Since LLVM doesn't have a model for coroutine memory accesses, this patch fixes this bug by disabling this optimization for coroutines in the same way as https://reviews.llvm.org/D135550 and https://reviews.llvm.org/D151774.
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