Disable two PNaCl passes which the JSBackend no longer needs.

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Transforms/NaCl/PNaClABISimplify.cpp b/lib/Transforms/NaCl/PNaClABISimplify.cpp
index 1cde8897f2..2b7ff9ca5d 100644
--- a/lib/Transforms/NaCl/PNaClABISimplify.cpp
+++ b/lib/Transforms/NaCl/PNaClABISimplify.cpp
@@ -106,9 +106,11 @@ void llvm::PNaClABISimplifyAddPostOptPasses(PassManager &PM) {
   // This pass converts those arguments to 32-bit.
   PM.add(createCanonicalizeMemIntrinsicsPass());
 
+#if 0 // XXX EMSCRIPTEN: PNaCl strips metadata to avoid making it ABI-exposed; empscripten doesn't need this.
   // We place StripMetadata after optimization passes because
   // optimizations depend on the metadata.
   PM.add(createStripMetadataPass());
+#endif
 
   // FlattenGlobals introduces ConstantExpr bitcasts of globals which
   // are expanded out later.
@@ -131,9 +133,11 @@ void llvm::PNaClABISimplifyAddPostOptPasses(PassManager &PM) {
   // atomics: a ``fence seq_cst`` surrounded by ``asm("":::"memory")``
   // has special meaning and is translated differently.
   PM.add(createRemoveAsmMemoryPass());
+#if 0 // XXX EMSCRIPTEN: PNaCl replaces pointers with ints to simplify their ABI; empscripten doesn't need this.
   // ReplacePtrsWithInts assumes that getelementptr instructions and
   // ConstantExprs have already been expanded out.
   PM.add(createReplacePtrsWithIntsPass());
+#endif
 
   // We place StripAttributes after optimization passes because many
   // analyses add attributes to reflect their results.