From: Dave Airlie <airlied@redhat.com>
Date: Wed, 21 Aug 2019 06:43:55 +0000 (+1000)
Subject: gallivm: add support for fences api on older llvm
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=abfb633968d172c86d6e913d2087406893f4cc71;p=mesa.git

gallivm: add support for fences api on older llvm

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
---

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
index 5fe697346fe..347381f9b32 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
@@ -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
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.h b/src/gallium/auxiliary/gallivm/lp_bld_misc.h
index 629751502e7..67c2cfd3fc4 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.h
@@ -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