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Creating multiple JITs on X86 in multiple threads causes multiple writes (of

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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
This commit is contained in:
Nick Lewycky
2011-12-03 02:45:50 +00:00
parent 9eff1e33f6
commit 3604924799
1 changed files with 2 additions and 0 deletions
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2
lib/Target/X86/X86JITInfo.cpp
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@ -424,7 +424,9 @@ X86CompilationCallback2(intptr_t *StackPtr, intptr_t RetAddr) {
TargetJITInfo::LazyResolverFn
X86JITInfo::getLazyResolverFunction(JITCompilerFn F) {
TsanIgnoreWritesBegin();
JITCompilerFunction = F;
TsanIgnoreWritesEnd();
#if defined (X86_32_JIT) && !defined (_MSC_VER)
if (Subtarget->hasSSE1())