[libclc] r219006 - Implement wait_group_events builtin v2

[Tom Stellard]

Author: tstellar
Date: Fri Oct  3 14:49:34 2014
New Revision: 219006

URL: http://llvm.org/viewvc/llvm-project?rev=219006&view=rev
Log:
Implement wait_group_events builtin v2

This is a simple default implemetation which just calls barrier().

v2:
  - Only call barrier() once.

Added:
    libclc/trunk/generic/include/clc/async/wait_group_events.h
    libclc/trunk/generic/lib/async/wait_group_events.cl
Modified:
    libclc/trunk/generic/include/clc/clc.h
    libclc/trunk/generic/lib/SOURCES

Added: libclc/trunk/generic/include/clc/async/wait_group_events.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/async/wait_group_events.h?rev=219006&view=auto
==============================================================================
--- libclc/trunk/generic/include/clc/async/wait_group_events.h (added)
+++ libclc/trunk/generic/include/clc/async/wait_group_events.h Fri Oct  3 14:49:34 2014
@@ -0,0 +1 @@
+void wait_group_events(int num_events, event_t *event_list);

Modified: libclc/trunk/generic/include/clc/clc.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/clc.h?rev=219006&r1=219005&r2=219006&view=diff
==============================================================================
--- libclc/trunk/generic/include/clc/clc.h (original)
+++ libclc/trunk/generic/include/clc/clc.h Fri Oct  3 14:49:34 2014
@@ -138,6 +138,7 @@
 
 /* 6.11.10 Async Copy and Prefetch Functions */
 #include <clc/async/prefetch.h>
+#include <clc/async/wait_group_events.h>
 
 /* 6.11.11 Atomic Functions */
 #include <clc/atomic/atomic_add.h>

Modified: libclc/trunk/generic/lib/SOURCES
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/SOURCES?rev=219006&r1=219005&r2=219006&view=diff
==============================================================================
--- libclc/trunk/generic/lib/SOURCES (original)
+++ libclc/trunk/generic/lib/SOURCES Fri Oct  3 14:49:34 2014
@@ -1,4 +1,5 @@
 async/prefetch.cl
+async/wait_group_events.cl
 atomic/atomic_xchg.cl
 atomic/atomic_impl.ll
 cl_khr_global_int32_base_atomics/atom_add.cl

Added: libclc/trunk/generic/lib/async/wait_group_events.cl
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/async/wait_group_events.cl?rev=219006&view=auto
==============================================================================
--- libclc/trunk/generic/lib/async/wait_group_events.cl (added)
+++ libclc/trunk/generic/lib/async/wait_group_events.cl Fri Oct  3 14:49:34 2014
@@ -0,0 +1,5 @@
+#include <clc/clc.h>
+
+_CLC_DEF void wait_group_events(int num_events, event_t *event_list) {
+  barrier(CLK_LOCAL_MEM_FENCE | CLK_GLOBAL_MEM_FENCE);
+}