How did you made the spaghetti stack using LLVM ?
On Fri, Aug 28, 2009 at 12:04 AM, Erick Tryzelaar <[email protected]>wrote:
> I've just committed a [LLVM](http://llvm.org) code generator for `flxc`.
>
> :::felix
> #!build/debug/bin/flxc -I build/debug/lib --import nugram.flxh --import
> flx.flxh
> >>> type int = "int";
> ... BOUND SYM: type int<3> = "int";
> >>> fun add : int*int -> int = "%add";
> ... BOUND SYM: fun add<4>: int<3>^2 -> int<3> = "%add";
> >>> fun foo (a:int, b:int, c:int) = { val d = a + b; return d + 1; }
> ... BOUND SYM: fun foo<5>(val a<8>: int<3>,val b<9>: int<3>,val
> c<10>: int<3>): int<3>{
> ... d<7> := (add<4> (a<8>, b<9>));
> ... return (add<4> (d<7>, 1));}
> >>> val x = 1;
> ... BOUND SYM: val x<11>: int<3>;
> ... BOUND EXE: x<11> := 1;
> >>> val y = 2;
> ... BOUND SYM: val y<12>: int<3>;
> ... BOUND EXE: y<12> := 2;
> >>> val z = foo (x, y, 3);
> ... BOUND SYM: val z<13>: int<3>;
> ... BOUND EXE: z<13> := (foo<5> (x<11>, y<12>, 3));
> >>> ^D
>
> And here's what it generates:
>
> :::llvm
> define void @__init__() {
> entry:
> %z = alloca i32 ; <i32*> [#uses=1]
> %y = alloca i32 ; <i32*> [#uses=1]
> %x = alloca i32 ; <i32*> [#uses=1]
> store i32 1, i32* %x
> store i32 2, i32* %y
> %foo = call i32 @foo(i32 1, i32 2, i32 3) ; <i32> [#uses=1]
> store i32 %foo, i32* %z
> ret void
> }
>
> define i32 @foo(i32 %a, i32 %b, i32 %c) {
> entry:
> %d = alloca i32 ; <i32*> [#uses=1]
> %add = add i32 %a, %b ; <i32> [#uses=2]
> store i32 %add, i32* %d
> %add1 = add i32 %add, 1 ; <i32> [#uses=1]
> ret i32 %add1
> }
>
> Of course it doesn't actually execute the commands yet, but the output's so
> pretty!
>
>
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