PNaCl: Add ExpandVarArgs pass for expanding out variable-args function calls

Once this pass is enabled, it will simplify the language to reduce the
set of constructs that a PNaCl translator needs to handle as part of a
stable wire format for PNaCl.

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3338
TEST=test/Transforms/NaCl/expand-varargs.ll

Review URL: https://codereview.chromium.org/12481021

1 files changed, 1 insertions, 0 deletions

diff --git a/include/llvm/Transforms/NaCl.h b/include/llvm/Transforms/NaCl.h
index 686b45ff74..6494200f6d 100644
--- a/include/llvm/Transforms/NaCl.h
+++ b/include/llvm/Transforms/NaCl.h
@@ -19,6 +19,7 @@ FunctionPass *createExpandConstantExprPass();
 ModulePass *createExpandCtorsPass();
 ModulePass *createExpandTlsPass();
 ModulePass *createExpandTlsConstantExprPass();
+ModulePass *createExpandVarArgsPass();
 
 }