From 8e43f7715440aa3298e84a9cb3735441d1db50ad Mon Sep 17 00:00:00 2001
From: Parth Sarkar <ps679@cornell.edu>
Date: Wed, 18 Dec 2024 16:16:49 -0500
Subject: [PATCH] removed unnecessary code from dyn-fsm-allocation

---
 calyx-opt/src/default_passes.rs            |  2 +-
 calyx-opt/src/passes/dyn_fsm_allocation.rs | 41 ----------------------
 2 files changed, 1 insertion(+), 42 deletions(-)

diff --git a/calyx-opt/src/default_passes.rs b/calyx-opt/src/default_passes.rs
index d0ec2b7bc..3cde3cf4d 100644
--- a/calyx-opt/src/default_passes.rs
+++ b/calyx-opt/src/default_passes.rs
@@ -104,7 +104,7 @@ impl PassManager {
                 SimplifyWithControl, // Must run before compile-invoke
                 CompileInvoke,   // creates dead comb groups
                 StaticInference,
-                // StaticPromotion,
+                StaticPromotion,
                 CompileRepeat,
                 DeadGroupRemoval, // Since previous passes potentially create dead groups
                 CollapseControl,
diff --git a/calyx-opt/src/passes/dyn_fsm_allocation.rs b/calyx-opt/src/passes/dyn_fsm_allocation.rs
index 9a6de4608..cf7a66b03 100644
--- a/calyx-opt/src/passes/dyn_fsm_allocation.rs
+++ b/calyx-opt/src/passes/dyn_fsm_allocation.rs
@@ -1,4 +1,3 @@
-use super::math_utilities::get_bit_width_from;
 use crate::passes;
 use crate::traversal::{
     Action, ConstructVisitor, Named, ParseVal, PassOpt, VisResult, Visitor,
@@ -751,43 +750,6 @@ impl Schedule<'_, '_> {
         Ok(())
     }
 
-    /// Creates a Schedule that represents `if`, mainly relying on `calc_if_recur()`.
-    fn calculate_states_if(
-        &mut self,
-        if_stmt: &ir::If,
-        early_transitions: bool,
-    ) -> CalyxResult<()> {
-        let first_state = (0, ir::Guard::True);
-        // We create an empty first state in case the control program starts with
-        // a branch (if, while).
-        // If the program doesn't branch, then the initial state is merged into
-        // the first group.
-        let prev =
-            self.calc_if_recur(if_stmt, vec![first_state], early_transitions)?;
-        self.add_nxt_transition(prev);
-        Ok(())
-    }
-
-    /// Creates a Schedule that represents `while`, mainly relying on `calc_while_recur()`.
-    fn calculate_states_while(
-        &mut self,
-        while_stmt: &ir::While,
-        early_transitions: bool,
-    ) -> CalyxResult<()> {
-        let first_state = (0, ir::Guard::True);
-        // We create an empty first state in case the control program starts with
-        // a branch (if, while).
-        // If the program doesn't branch, then the initial state is merged into
-        // the first group.
-        let prev = self.calc_while_recur(
-            while_stmt,
-            vec![first_state],
-            early_transitions,
-        )?;
-        self.add_nxt_transition(prev);
-        Ok(())
-    }
-
     /// Given predecessors prev, creates a new "next" state and transitions from
     /// each state in prev to the next state.
     /// In other words, it just adds an "end" state to [Schedule] and the
@@ -924,8 +886,6 @@ impl Schedule<'_, '_> {
 pub struct DynamicFSMAllocation {
     /// Print out the FSM representation to STDOUT
     dump_fsm: bool,
-    /// Output a JSON FSM representation to file if specified
-    dump_fsm_json: Option<OutputFile>,
     /// Enable early transitions
     early_transitions: bool,
     /// Bookkeeping for FSM ids for groups across all FSMs in the program
@@ -941,7 +901,6 @@ impl ConstructVisitor for DynamicFSMAllocation {
 
         Ok(DynamicFSMAllocation {
             dump_fsm: opts[&"dump-fsm"].bool(),
-            dump_fsm_json: opts[&"dump-fsm-json"].not_null_outstream(),
             early_transitions: opts[&"early-transitions"].bool(),
             fsm_groups: HashSet::new(),
         })