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| author | Chuanqi Xu <yedeng.yd@linux.alibaba.com> | 2022-07-20 17:00:58 +0800 |
|---|---|---|
| committer | Chuanqi Xu <yedeng.yd@linux.alibaba.com> | 2022-07-20 17:00:58 +0800 |
| commit | 645d2dd3a9c24dd49f6712fea332e58c55d6c1d3 (patch) | |
| tree | fe1f7b7a11b79ef16a07488eecef5baede8dd4e3 /llvm/lib/Analysis/BasicAliasAnalysis.cpp | |
| parent | 051738b08cf5e39fd274dd379147d1c19e2b5b20 (diff) | |
| download | llvm-645d2dd3a9c24dd49f6712fea332e58c55d6c1d3.zip llvm-645d2dd3a9c24dd49f6712fea332e58c55d6c1d3.tar.gz llvm-645d2dd3a9c24dd49f6712fea332e58c55d6c1d3.tar.bz2 | |
Revert "Don't treat readnone call in presplit coroutine as not access memory"
This reverts commit 57224ff4a6833dca1f17568cc9cf77f9579030ae. This
commit may trigger crashes on some workloads. Revert it for clearness.
Diffstat (limited to 'llvm/lib/Analysis/BasicAliasAnalysis.cpp')
| -rw-r--r-- | llvm/lib/Analysis/BasicAliasAnalysis.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp index 76a1953..c3b032ab 100644 --- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp +++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp @@ -767,11 +767,7 @@ FunctionModRefBehavior BasicAAResult::getModRefBehavior(const CallBase *Call) { // If the call has operand bundles then aliasing attributes from the function // it calls do not directly apply to the call. This can be made more precise // in the future. - // - // If the call lives in a presplit coroutine, the readnone, writeonly, - // inaccessiblememonly and inaccessiblemem_or_argmemonly attribute from the - // function might not directly apply to the call. - if (!Call->hasOperandBundles() && !Call->getFunction()->isPresplitCoroutine()) + if (!Call->hasOperandBundles()) if (const Function *F = Call->getCalledFunction()) Min = FunctionModRefBehavior(Min & getBestAAResults().getModRefBehavior(F)); |