Creating multiple JITs on X86 in multiple threads causes multiple writes (of
the same value) to this variable. This code could be refactored, but it doesn't
matter since the old JIT is going away. Add tsan annotations to ignore the
race.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145745 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86JITInfo.cpp b/lib/Target/X86/X86JITInfo.cpp
index 3f88fa6..2145a33 100644
--- a/lib/Target/X86/X86JITInfo.cpp
+++ b/lib/Target/X86/X86JITInfo.cpp
@@ -424,7 +424,9 @@
TargetJITInfo::LazyResolverFn
X86JITInfo::getLazyResolverFunction(JITCompilerFn F) {
+ TsanIgnoreWritesBegin();
JITCompilerFunction = F;
+ TsanIgnoreWritesEnd();
#if defined (X86_32_JIT) && !defined (_MSC_VER)
if (Subtarget->hasSSE1())