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gallivm: add support for fences api on older llvm

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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie 2019-08-21 16:43:55 +10:00
parent 8b7295f281
commit abfb633968
2 changed files with 16 additions and 0 deletions
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11
src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
View file

@ -836,3 +836,14 @@ LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
SingleThread ? llvm::SynchronizationScope::SingleThread : llvm::SynchronizationScope::CrossThread));
}
#endif
#if HAVE_LLVM < 0x305
LLVMValueRef LLVMBuildFence(LLVMBuilderRef B,
LLVMAtomicOrdering ordering,
LLVMBool singleThread,
const char *Name)
{
return llvm::wrap(llvm::unwrap(B)->CreateFence(mapFromLLVMOrdering(ordering),
singleThread ? llvm::SynchronizationScope::SingleThread : llvm::SynchronizationScope::CrossThread));
}
#endif

5
src/gallium/auxiliary/gallivm/lp_bld_misc.h
View file

@ -85,6 +85,11 @@ LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
LLVMBool SingleThread);
#endif
#if HAVE_LLVM < 0x305
LLVMValueRef LLVMBuildFence(LLVMBuilderRef B,
LLVMAtomicOrdering ordering,
LLVMBool singleThread, const char *Name);
#endif
#ifdef __cplusplus
}
#endif