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authorXinliang David Li <davidxl@google.com>2016-03-06 00:55:20 +0000
committerXinliang David Li <davidxl@google.com>2016-03-06 00:55:20 +0000
commitd903a578b4b2a00732dee763753c22f35bb04b89 (patch)
treefd0ff1af728d20bbee1269e66825b3462666d039 /lib/profile/InstrProfilingUtil.c
parente3e346be2f4b629db67037023f83df7e0bd058ba (diff)
Minor cleanup
move a function def to InstrProfilingUtil.c git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@262785 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/profile/InstrProfilingUtil.c')
-rw-r--r--lib/profile/InstrProfilingUtil.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/profile/InstrProfilingUtil.c b/lib/profile/InstrProfilingUtil.c
index 6f0443d3b..b7892d841 100644
--- a/lib/profile/InstrProfilingUtil.c
+++ b/lib/profile/InstrProfilingUtil.c
@@ -34,3 +34,16 @@ void __llvm_profile_recursive_mkdir(char *path) {
path[i] = '/';
}
}
+
+#if COMPILER_RT_HAS_ATOMICS != 1
+COMPILER_RT_VISIBILITY
+uint32_t BoolCmpXchg(void **Ptr, void *OldV, void *NewV) {
+ void *R = *Ptr;
+ if (R == OldV) {
+ *Ptr = NewV;
+ return 1;
+ }
+ return 0;
+}
+#endif
+