r274780 - [CUDA] Rename the __nvvm_bar0 builtin back to __syncthreads.

[Justin Lebar via cfe-commits]

Author: jlebar
Date: Thu Jul  7 13:15:03 2016
New Revision: 274780

URL: http://llvm.org/viewvc/llvm-project?rev=274780&view=rev
Log:
[CUDA] Rename the __nvvm_bar0 builtin back to __syncthreads.

The builtin was renamed in r274770.  But __syncthreads is part of our
user-facing API, so we need to keep the name as-is.

Patch by Justin Bogner.

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsNVPTX.def
    cfe/trunk/test/CodeGen/builtins-nvptx.c

Modified: cfe/trunk/include/clang/Basic/BuiltinsNVPTX.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsNVPTX.def?rev=274780&r1=274779&r2=274780&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsNVPTX.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsNVPTX.def Thu Jul  7 13:15:03 2016
@@ -393,7 +393,7 @@ BUILTIN(__nvvm_bitcast_d2ll, "LLid", "")
 
 // Sync
 
-BUILTIN(__nvvm_bar0, "v", "")
+BUILTIN(__syncthreads, "v", "")
 BUILTIN(__nvvm_bar0_popc, "ii", "")
 BUILTIN(__nvvm_bar0_and, "ii", "")
 BUILTIN(__nvvm_bar0_or, "ii", "")

Modified: cfe/trunk/test/CodeGen/builtins-nvptx.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-nvptx.c?rev=274780&r1=274779&r2=274780&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-nvptx.c (original)
+++ cfe/trunk/test/CodeGen/builtins-nvptx.c Thu Jul  7 13:15:03 2016
@@ -179,7 +179,7 @@ __device__ void nvvm_math(float f1, floa
 // CHECK: call void @llvm.nvvm.membar.sys()
   __nvvm_membar_sys();
 // CHECK: call void @llvm.nvvm.barrier0()
-  __nvvm_bar0();
+  __syncthreads();
 }
 
 __device__ int di;