PNaCl: Add ExpandConstantExpr pass for converting ConstantExprs to Instructions

tools/opt/opt.cpp

Index: tools/opt/opt.cpp
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 6512cb79ac0de4068f32377f5d264f4d4cf7cd9e..0f4bb48e180f4e70cc4783596a495302ee206013 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -575,6 +575,7 @@ int main(int argc, char **argv) {
   initializeInstCombine(Registry);
   initializeInstrumentation(Registry);
   initializeTarget(Registry);
+  initializeExpandConstantExprPass(Registry);
   initializeExpandCtorsPass(Registry);
   initializeExpandTlsPass(Registry);
   initializeExpandTlsConstantExprPass(Registry);