Make fib be more real

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@413 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2001-09-01 01:47:52 +00:00
parent f2a6477aee
commit 98af669fb9

View File

@ -1,13 +1,7 @@
;; TODO:
;; [ ] Get rid out outside class & begin stuff
;; [ ] Allow global const pool to be expanded continually
;; [ ] Support global variable declaration & definition
;; [ ] Support function definition: %fib = prototype ulong (ulong)
;; [x] Support Type definition
implementation
declare int "atoi"(sbyte *)
ulong "fib"(ulong %n)
begin
setlt ulong %n, 2 ; {bool}:0
@ -26,18 +20,17 @@ RecurseCase:
end
ulong "main"(int %argc, sbyte ** %argv)
;; %n2 = int 1
begin
seteq int %argc, 2 ; {bool}:0
br bool %0, label %HasArg, label %Continue
HasArg:
; %n1 = atoi(argv[1])
;;; %n1 = add int 1, 1
%n1 = add int 1, 1
br label %Continue
Continue:
;;; %n = phi int %n1, %n2
%N = add ulong 1, 1 ;; TODO: CAST
%n = phi int [%n1, %HasArg], [1, %0]
%N = cast int %n to ulong
%F = call ulong(ulong) %fib(ulong %N)
ret ulong %F
end