#57 add options to dump the IR after intermediate steps

Author: dibyendumajumdar

optvm/src/main/java/com/compilerprogramming/ezlang/compiler/ExitSSABoissinotNoCoalesce.java

@@ -41,10 +41,12 @@ public ExitSSABoissinotNoCoalesce(CompiledFunction function, EnumSet<Options> op
         allBlocks = function.getBlocks();
         init();
         makeConventionalSSA();
+        if (options.contains(Options.DUMP_SSA_TO_CSSA)) function.dumpIR(false, "After converting from SSA to CSSA");
         removePhis();
+        if (options.contains(Options.DUMP_CSSA_PHI_REMOVAL)) function.dumpIR(false, "After removing phis from CSSA");
         sequenceParallelCopies();
         function.isSSA = false;
-        if (options.contains(Options.DUMP_POST_SSA_IR)) function.dumpIR(false, "After exiting SSA");
+        if (options.contains(Options.DUMP_POST_SSA_IR)) function.dumpIR(false, "After exiting SSA (Boissinot method)");
     }
 
     private void init() {

optvm/src/main/java/com/compilerprogramming/ezlang/compiler/Options.java

@@ -20,6 +20,8 @@ public enum Options {
     DUMP_CCP_POSTAPPLY,
     DUMP_SSA_LIVENESS,
     DUMP_SSA_DOMTREE,
+    DUMP_SSA_TO_CSSA,
+    DUMP_CSSA_PHI_REMOVAL,
     DUMP_POST_SSA_IR,
     DUMP_INTERFERENCE_GRAPH,
     DUMP_CHAITIN_COALESCE,