Concurrency support for PNaCl ABI

lib/Transforms/NaCl/PNaClABISimplify.cpp

Index: lib/Transforms/NaCl/PNaClABISimplify.cpp
diff --git a/lib/Transforms/NaCl/PNaClABISimplify.cpp b/lib/Transforms/NaCl/PNaClABISimplify.cpp
index a85829eb3b37e96b6dd52a1519ab4e1825759534..e8b7602e87e19098baaf8ce8722011ca667f870f 100644
--- a/lib/Transforms/NaCl/PNaClABISimplify.cpp
+++ b/lib/Transforms/NaCl/PNaClABISimplify.cpp
@@ -82,6 +82,8 @@ void llvm::PNaClABISimplifyAddPostOptPasses(PassManager &PM) {
   // ExpandGetElementPtr must follow ExpandConstantExpr to expand the
   // getelementptr instructions it creates.
   PM.add(createExpandGetElementPtrPass());
+  // Strip atomics replaces instructions with intrinsic calls.

[Mark Seaborn, 2013/06/26 14:33:41]

"Strip atomics" - is this referring to an old name for the pass?  Maybe this
should just say "Replace atomic instructions with intrinsic calls".

[JF, 2013/06/26 15:52:29]

Done.

+  PM.add(createFreezeAtomicsPass());
   // ReplacePtrsWithInts assumes that getelementptr instructions and
   // ConstantExprs have already been expanded out.
   PM.add(createReplacePtrsWithIntsPass());