-(* L1 Compiler
+(* L3 Compiler
* Top Level Environment
* Author: Kaustuv Chaudhuri <kaustuv+@cs.cmu.edu>
* Modified: Alex Vaynberg <alv@andrew.cmu.edu>
fun newline () = TextIO.output (TextIO.stdErr, "\n")
exception EXIT
+
+ val alloptimizations =
+ [ConstantFold.optimizer,
+ StupidFunctionElim.optimizer,
+ FeckfulnessAnalysis.optimizer,
+ ConstantFold.optimizer,
+ LabelCoalescing.optimizer,
+ Peephole.optimizer]
+
+ val uniqopts =
+ foldr
+ (fn (opt : Optimizer.optimization, l) =>
+ if (List.exists (fn (x : Optimizer.optimization) => (#shortname opt) = (#shortname x)) l)
+ then l
+ else opt :: l)
+ []
+ alloptimizations
- (* see flag explanations below *)
- val flag_verbose = Flag.flag "verbose"
- val flag_ast = Flag.flag "ast"
- val flag_ir = Flag.flag "ir"
- val flag_assem = Flag.flag "assem"
-
- fun reset_flags () =
- List.app Flag.unset [flag_verbose, flag_ast,
- flag_ir, flag_assem];
+ val enabledopts = ref alloptimizations
val options = [{short = "v", long=["verbose"],
- desc=G.NoArg (fn () => Flag.set flag_verbose),
- help="verbose messages"},
- {short = "", long=["dump-ast"],
- desc=G.NoArg (fn () => Flag.set flag_ast),
- help="pretty print the AST"},
- {short = "", long=["dump-ir"],
- desc=G.NoArg (fn () => Flag.set flag_ir),
- help="pretty print the IR"},
- {short = "", long=["dump-assem"],
- desc=G.NoArg (fn () => Flag.set flag_assem),
- help="pretty print the assembly before register allocaction"}
- ]
+ desc=G.NoArg (fn () => Flag.set Flags.verbose),
+ help="verbose messages"},
+ {short = "a", long=["dump-ast"],
+ desc=G.NoArg (fn () => Flag.set Flags.ast),
+ help="pretty print the AST"},
+ {short = "i", long=["dump-ir"],
+ desc=G.NoArg (fn () => Flag.set Flags.ir),
+ help="pretty print the IR"},
+ {short = "l", long=["dump-liveness"],
+ desc=G.NoArg (fn () => Flag.set Flags.liveness),
+ help="pretty print the liveness results"},
+ {short = "s", long=["dump-assem"],
+ desc=G.NoArg (fn () => Flag.set Flags.assem),
+ help="pretty print the assembly before register allocaction"},
+ {short = "c", long=["dump-color"],
+ desc=G.NoArg (fn () => Flag.set Flags.color),
+ help="pretty print the allocated regs"},
+ {short = "", long=["safe"],
+ desc=G.NoArg (fn () => Flag.set Flags.safe),
+ help="enable memory-safety"},
+ {short = "", long=["unsafe"],
+ desc=G.NoArg (fn () => Flag.unset Flags.safe),
+ help="disable memory-safety"},
+ {short = "", long = ["disable-all"],
+ desc=G.NoArg (fn () => enabledopts := nil),
+ help="disable all optimizations"}
+ ] @
+ map
+ (fn (opt : Optimizer.optimization) =>
+ { short = "", long=["disable-" ^ (#shortname opt)],
+ desc = G.NoArg (* This is nasty. *)
+ (fn () => enabledopts := List.filter (fn x => (#shortname x) <> (#shortname opt)) (!enabledopts)),
+ help = "disable optimization: " ^ (#description opt) })
+ uniqopts
fun stem s =
let
- val (prefix, suffix) =
- Substring.splitr (fn c => c <> #".") (Substring.full s)
+ val (prefix, suffix) =
+ Substring.splitr (fn c => c <> #".") (Substring.full s)
in
- if Substring.isEmpty prefix (* no "." in string s *)
- then s (* return whole string *)
- else Substring.string (Substring.trimr 1 prefix)
+ if Substring.isEmpty prefix (* no "." in string s *)
+ then s (* return whole string *)
+ else Substring.string (Substring.trimr 1 prefix)
end
-
- fun main (name, args) =
+
+ fun processir externs (Tree.FUNCTION (id, ir)) =
let
- val header = "Usage: compile [OPTION...] SOURCEFILE\nwhere OPTION is"
- val usageinfo = G.usageInfo {header = header, options = options}
- fun errfn msg = (say (msg ^ "\n" ^ usageinfo) ; raise EXIT)
-
- val _ = Temp.reset (); (* reset temp variable counter *)
- val _ = reset_flags (); (* return all flags to default value *)
-
- val _ = if List.length args = 0 then
- (say usageinfo; raise EXIT)
- else ()
-
- val (opts, files) =
- G.getOpt {argOrder = G.Permute,
- options = options,
- errFn = errfn}
- args
-
- val source =
- case files
- of [] => errfn "Error: no input file"
- | [filename] => filename
- | _ => errfn "Error: more than one input file"
-
- val _ = Flag.guard flag_verbose say ("Parsing... " ^ source)
- val ast = Parse.parse source
- val _ = Flag.guard flag_ast
- (fn () => say (Ast.Print.pp_program ast)) ()
-
- val _ = Flag.guard flag_verbose say "Checking..."
- val _ = TypeChecker.typecheck ast
-
- val _ = Flag.guard flag_verbose say "Translating..."
- val ir = Trans.translate ast
- val _ = Flag.guard flag_ir (fn () => say (Tree.Print.pp_program ir)) ()
-
- val _ = Flag.guard flag_verbose say "Generating proto-x86_64 code..."
- val assem = Codegen.codegen ir
- val _ = Flag.guard flag_assem
- (fn () => List.app (TextIO.print o x86.prettyprint) assem) ()
-
- val _ = Flag.guard flag_verbose say "Analyzing liveness..."
- val liveness = Liveness.liveness assem;
+ val name = "_l5_" ^ (Symbol.name id)
- val _ = Flag.guard flag_verbose say "Graphing..."
- val igraph = Igraph.gengraph liveness;
+ fun realname s = if (List.exists (fn n => s = n) externs)
+ then s
+ else "_l5_" ^ s
+
+ val _ = Flag.guard Flags.verbose say ("Processing function: " ^ name)
+
+ val _ = Flag.guard Flags.verbose say " Generating proto-x86_64 code..."
+ val assem = Codegen.codegen ir
+ val _ = Flag.guard Flags.assem
+ (fn () => List.app (TextIO.print o (x86.print)) assem) ()
+
+ val _ = Flag.guard Flags.verbose say " Optimizing pre-liveness..."
+ val assem = Optimizer.optimize_preliveness (!enabledopts) assem
- val _ = Flag.guard flag_verbose say "Ordering..."
- val order = ColorOrder.colororder igraph;
+ val _ = Flag.guard Flags.verbose say " Analyzing liveness..."
+ val (preds, liveness) = Liveness.liveness assem;
+ val _ = Flag.guard Flags.liveness
+ (fn () => List.app
+ (fn (asm, liv) =>
+ TextIO.print (
+ let
+ val xpp = x86.print asm
+ val xpp = String.extract (xpp, 0, SOME (size xpp - 1))
+ val spaces = implode (List.tabulate (40 - size xpp, fn _ => #" ")) handle size => ""
+ val lpp = Liveness.prettyprint liv
+ val lpp = String.extract (lpp, 0, SOME (size lpp - 1))
+ val spaces2 = implode (List.tabulate (40 - size lpp, fn _ => #" ")) handle size => ""
+ in
+ xpp ^ spaces ^ lpp ^ spaces2 ^ "\n"
+ end))
+ (ListPair.zip (assem, Liveness.listify liveness))) ()
+
+ val _ = Flag.guard Flags.verbose say " Graphing..."
+ val (igraph,temps) = Igraph.gengraph (preds, liveness)
+
+ val _ = Flag.guard Flags.verbose say " Ordering..."
+ val order = ColorOrder.colororder (igraph,temps)
- val _ = Flag.guard flag_verbose say "Coloring..."
- val colors = Colorizer.colorize order igraph;
-
- val _ = Flag.guard flag_verbose say "Solidifying x86_64 code..."
- val x86 = Solidify.solidify colors assem;
+ val _ = Flag.guard Flags.verbose say " Coloring..."
+ val colors = Colorizer.colorize order igraph
+ val _ = Flag.guard Flags.color
+ (fn () => List.app (TextIO.print o
+ (fn (t, i) =>
+ (Temp.name t) ^ " => " ^ (
+ if (i <= x86.regtonum x86.R13D)
+ then (x86.pp_oper (x86.REG (x86.numtoreg i), Temp.Long))
+ else
+ "spill[" ^ Int.toString (i - x86.regtonum x86.R13D) ^ "]")
+ ^ "--"^ Int.toString i ^ "\n"))
+ colors) ()
+
+ val _ = Flag.guard Flags.verbose say " Solidifying x86_64 code..."
+ val x86 = Solidify.solidify colors assem
+
+ val _ = Flag.guard Flags.verbose say " Optimizing final assembly..."
+ val x86p = Optimizer.optimize_final (!enabledopts) x86
+
+ val _ = Flag.guard Flags.verbose say " Stringifying..."
+ val x86d = [x86.DIRECTIVE(".globl " ^ name),
+ x86.DIRECTIVE(name ^ ":")]
+ @ x86p
+ val code = Stringify.stringify realname x86d
+ in
+ code
+ end
- val _ = Flag.guard flag_verbose say "Peepholing..."
- val x86p = Peephole.peephole x86;
-
- val _ = Flag.guard flag_verbose say "Stringifying..."
- val x86d = [x86.DIRECTIVE(".file\t\"" ^ source ^ "\""),
- x86.DIRECTIVE(".globl _l1_main"),
- x86.DIRECTIVE("_l1_main:")]
- @ x86p
- @ [x86.DIRECTIVE ".ident\t\"15-411 L1 compiler v2 by czl@ and jwise@\""]
- val code = Stringify.stringify x86d
-
- val afname = stem source ^ ".s"
- val _ = Flag.guard flag_verbose say ("Writing assembly to " ^ afname ^ " ...")
- val _ = SafeIO.withOpenOut afname (fn afstream =>
- TextIO.output (afstream, code))
+ fun main (name, args) =
+ let
+ val header = "Usage: compile [OPTION...] SOURCEFILE\nwhere OPTION is"
+ val usageinfo = G.usageInfo {header = header, options = options}
+ fun errfn msg = (say (msg ^ "\n" ^ usageinfo) ; raise EXIT)
+
+ val _ = Temp.reset (); (* reset temp variable counter *)
+ val _ = Flags.reset (); (* return all flags to default value *)
+
+ val _ = if List.length args = 0 then
+ (say usageinfo; raise EXIT)
+ else ()
+
+ val (opts, files) =
+ G.getOpt {argOrder = G.Permute,
+ options = options,
+ errFn = errfn}
+ args
+
+ val source =
+ case files
+ of [] => errfn "Error: no input file"
+ | [filename] => filename
+ | _ => errfn "Error: more than one input file"
+
+ val _ = Flag.guard Flags.verbose say ("Enabled optimizations: " ^ String.concat (map (fn x => (#shortname x) ^ " ") (!enabledopts)))
+
+ val _ = Flag.guard Flags.verbose say ("Parsing... " ^ source)
+ val ast = Parse.parse source
+ val (_, funcs) = ast
+ val _ = Flag.guard Flags.ast
+ (fn () => say (Ast.Print.pp_program ast)) ()
+
+ val externs = Symbol.mapPartiali
+ (fn (a, b) => case (AstUtils.Function.data b)
+ of Ast.Extern _ => SOME(Symbol.name a)
+ | _ => NONE
+ ) funcs
+
+ val _ = Flag.guard Flags.verbose say "Checking..."
+ val ast = TypeChecker.typecheck ast
+
+ val _ = Flag.guard Flags.verbose say "Translating..."
+ val ir = Trans.translate ast
+ val _ = Flag.guard Flags.ir (fn () => say (TreeUtils.Print.pp_program ir)) ()
+
+ val _ = Flag.guard Flags.verbose say "Optimizing whole-program IR..."
+ val ir = Optimizer.optimize_ir (!enabledopts) ir
+ val _ = Flag.guard Flags.ir (fn () => say (TreeUtils.Print.pp_program ir)) ()
+
+ val output = foldr (fn (func, code) => (processir ("calloc" (* lololololol *) :: (Symbol.elems externs)) func) ^ code)
+ (".file\t\"" ^ source ^ "\"\n.ident\t\"15-411 ASS compiler by czl@ and jwise@\"\n" ^
+ ".ident \"Optimizations enabled: " ^ String.concat (map (fn x => (#shortname x) ^ " ") (!enabledopts)) ^ "\"\n") ir
+
+ val afname = stem source ^ ".s"
+ val _ = Flag.guard Flags.verbose say ("Writing assembly to " ^ afname ^ " ...")
+ val _ = SafeIO.withOpenOut afname (fn afstream =>
+ TextIO.output (afstream, output))
in
- OS.Process.success
+ OS.Process.success
end
handle ErrorMsg.Error => ( say "Compilation failed" ; OS.Process.failure )
- | EXIT => OS.Process.failure
- | ErrorMsg.InternalError s => ( say ("Internal compiler error: "^s^"\n"); OS.Process.failure)
+ | EXIT => OS.Process.failure
+ | ErrorMsg.InternalError s => ( say ("Internal compiler error: "^s^"\n"); OS.Process.failure)
| e => (say ("Unrecognized exception " ^ exnMessage e); OS.Process.failure)
fun test s = main ("", String.tokens Char.isSpace s)
git.joshuawise.com / snipe.git / blobdiff