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authorAlbert Magyar2020-04-10 12:59:17 -0700
committerAlbert Magyar2020-04-13 13:02:34 -0700
commit8cb5aa96983210942336beb05a17ae1cade8b11a (patch)
tree1947e7deec6ad3b20254a61a56261b4a49463dda /src/main/scala/firrtl/passes/Resolves.scala
parent319e2fcff501ac0e8c34625b35b154c5f6c0c4c3 (diff)
Split Resolves into separate files
* Remove unused imports
Diffstat (limited to 'src/main/scala/firrtl/passes/Resolves.scala')
-rw-r--r--src/main/scala/firrtl/passes/Resolves.scala155
1 files changed, 0 insertions, 155 deletions
diff --git a/src/main/scala/firrtl/passes/Resolves.scala b/src/main/scala/firrtl/passes/Resolves.scala
deleted file mode 100644
index de54a5c1..00000000
--- a/src/main/scala/firrtl/passes/Resolves.scala
+++ /dev/null
@@ -1,155 +0,0 @@
-// See LICENSE for license details.
-
-package firrtl.passes
-
-import firrtl._
-import firrtl.ir._
-import firrtl.Mappers._
-import firrtl.options.{Dependency, PreservesAll}
-import Utils.throwInternalError
-
-
-object ResolveKinds extends Pass with PreservesAll[Transform] {
-
- override val prerequisites = firrtl.stage.Forms.WorkingIR
-
- type KindMap = collection.mutable.LinkedHashMap[String, Kind]
-
- def find_port(kinds: KindMap)(p: Port): Port = {
- kinds(p.name) = PortKind ; p
- }
-
- def find_stmt(kinds: KindMap)(s: Statement):Statement = {
- s match {
- case sx: DefWire => kinds(sx.name) = WireKind
- case sx: DefNode => kinds(sx.name) = NodeKind
- case sx: DefRegister => kinds(sx.name) = RegKind
- case sx: WDefInstance => kinds(sx.name) = InstanceKind
- case sx: DefMemory => kinds(sx.name) = MemKind
- case _ =>
- }
- s map find_stmt(kinds)
- }
-
- def resolve_expr(kinds: KindMap)(e: Expression): Expression = e match {
- case ex: WRef => ex copy (kind = kinds(ex.name))
- case _ => e map resolve_expr(kinds)
- }
-
- def resolve_stmt(kinds: KindMap)(s: Statement): Statement =
- s map resolve_stmt(kinds) map resolve_expr(kinds)
-
- def resolve_kinds(m: DefModule): DefModule = {
- val kinds = new KindMap
- (m map find_port(kinds)
- map find_stmt(kinds)
- map resolve_stmt(kinds))
- }
-
- def run(c: Circuit): Circuit =
- c copy (modules = c.modules map resolve_kinds)
-}
-
-object ResolveFlows extends Pass with PreservesAll[Transform] {
-
- override val prerequisites =
- Seq( Dependency(passes.ResolveKinds),
- Dependency(passes.InferTypes),
- Dependency(passes.Uniquify) ) ++ firrtl.stage.Forms.WorkingIR
-
- def resolve_e(g: Flow)(e: Expression): Expression = e match {
- case ex: WRef => ex copy (flow = g)
- case WSubField(exp, name, tpe, _) => WSubField(
- Utils.field_flip(exp.tpe, name) match {
- case Default => resolve_e(g)(exp)
- case Flip => resolve_e(Utils.swap(g))(exp)
- }, name, tpe, g)
- case WSubIndex(exp, value, tpe, _) =>
- WSubIndex(resolve_e(g)(exp), value, tpe, g)
- case WSubAccess(exp, index, tpe, _) =>
- WSubAccess(resolve_e(g)(exp), resolve_e(SourceFlow)(index), tpe, g)
- case _ => e map resolve_e(g)
- }
-
- def resolve_s(s: Statement): Statement = s match {
- //TODO(azidar): pretty sure don't need to do anything for Attach, but not positive...
- case IsInvalid(info, expr) =>
- IsInvalid(info, resolve_e(SinkFlow)(expr))
- case Connect(info, loc, expr) =>
- Connect(info, resolve_e(SinkFlow)(loc), resolve_e(SourceFlow)(expr))
- case PartialConnect(info, loc, expr) =>
- PartialConnect(info, resolve_e(SinkFlow)(loc), resolve_e(SourceFlow)(expr))
- case sx => sx map resolve_e(SourceFlow) map resolve_s
- }
-
- def resolve_flow(m: DefModule): DefModule = m map resolve_s
-
- def run(c: Circuit): Circuit =
- c copy (modules = c.modules map resolve_flow)
-}
-
-object CInferMDir extends Pass with PreservesAll[Transform] {
-
- override val prerequisites = firrtl.stage.Forms.ChirrtlForm :+ Dependency(CInferTypes)
-
- type MPortDirMap = collection.mutable.LinkedHashMap[String, MPortDir]
-
- def infer_mdir_e(mports: MPortDirMap, dir: MPortDir)(e: Expression): Expression = e match {
- case e: Reference =>
- mports get e.name match {
- case None =>
- case Some(p) => mports(e.name) = (p, dir) match {
- case (MInfer, MInfer) => throwInternalError(s"infer_mdir_e: shouldn't be here - $p, $dir")
- case (MInfer, MWrite) => MWrite
- case (MInfer, MRead) => MRead
- case (MInfer, MReadWrite) => MReadWrite
- case (MWrite, MInfer) => throwInternalError(s"infer_mdir_e: shouldn't be here - $p, $dir")
- case (MWrite, MWrite) => MWrite
- case (MWrite, MRead) => MReadWrite
- case (MWrite, MReadWrite) => MReadWrite
- case (MRead, MInfer) => throwInternalError(s"infer_mdir_e: shouldn't be here - $p, $dir")
- case (MRead, MWrite) => MReadWrite
- case (MRead, MRead) => MRead
- case (MRead, MReadWrite) => MReadWrite
- case (MReadWrite, MInfer) => throwInternalError(s"infer_mdir_e: shouldn't be here - $p, $dir")
- case (MReadWrite, MWrite) => MReadWrite
- case (MReadWrite, MRead) => MReadWrite
- case (MReadWrite, MReadWrite) => MReadWrite
- }
- }
- e
- case e: SubAccess =>
- infer_mdir_e(mports, dir)(e.expr)
- infer_mdir_e(mports, MRead)(e.index) // index can't be a write port
- e
- case e => e map infer_mdir_e(mports, dir)
- }
-
- def infer_mdir_s(mports: MPortDirMap)(s: Statement): Statement = s match {
- case sx: CDefMPort =>
- mports(sx.name) = sx.direction
- sx map infer_mdir_e(mports, MRead)
- case sx: Connect =>
- infer_mdir_e(mports, MRead)(sx.expr)
- infer_mdir_e(mports, MWrite)(sx.loc)
- sx
- case sx: PartialConnect =>
- infer_mdir_e(mports, MRead)(sx.expr)
- infer_mdir_e(mports, MWrite)(sx.loc)
- sx
- case sx => sx map infer_mdir_s(mports) map infer_mdir_e(mports, MRead)
- }
-
- def set_mdir_s(mports: MPortDirMap)(s: Statement): Statement = s match {
- case sx: CDefMPort => sx copy (direction = mports(sx.name))
- case sx => sx map set_mdir_s(mports)
- }
-
- def infer_mdir(m: DefModule): DefModule = {
- val mports = new MPortDirMap
- m map infer_mdir_s(mports) map set_mdir_s(mports)
- }
-
- def run(c: Circuit): Circuit =
- c copy (modules = c.modules map infer_mdir)
-}