PNaCl: Add ExpandConstantExpr pass for converting ConstantExprs to Instructions

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=3337
TEST=test/Transforms/NaCl/expand-constantexpr.ll

Review URL: https://codereview.chromium.org/12792011

1 files changed, 2 insertions, 0 deletions

diff --git a/include/llvm/Transforms/NaCl.h b/include/llvm/Transforms/NaCl.h
index 79c9b9fe79..686b45ff74 100644
--- a/include/llvm/Transforms/NaCl.h
+++ b/include/llvm/Transforms/NaCl.h
@@ -12,8 +12,10 @@
 
 namespace llvm {
 
+class FunctionPass;
 class ModulePass;
 
+FunctionPass *createExpandConstantExprPass();
 ModulePass *createExpandCtorsPass();
 ModulePass *createExpandTlsPass();
 ModulePass *createExpandTlsConstantExprPass();