diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp b/llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp index 68e592b..47b81d7 100644 --- a/llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp +++ b/llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp @@ -2209,8 +2209,13 @@ bool SIMemoryLegalizer::expandAtomicFence(const SIMemOpInfo &MOI, bool Changed = false; if (MOI.isAtomic()) { - if (MOI.getOrdering() == AtomicOrdering::Acquire || - MOI.getOrdering() == AtomicOrdering::Release || + if (MOI.getOrdering() == AtomicOrdering::Acquire) + Changed |= CC->insertWait(MI, MOI.getScope(), MOI.getOrderingAddrSpace(), + SIMemOp::LOAD | SIMemOp::STORE, + MOI.getIsCrossAddressSpaceOrdering(), + Position::BEFORE); + + if (MOI.getOrdering() == AtomicOrdering::Release || MOI.getOrdering() == AtomicOrdering::AcquireRelease || MOI.getOrdering() == AtomicOrdering::SequentiallyConsistent) /// TODO: This relies on a barrier always generating a waitcnt |