| 1 | include "Clight/Cexec.ma". |
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| 2 | include "common/Animation.ma". |
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| 3 | |
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| 4 | definition myprog := mk_program clight_fundef ((list init_data) × type) |
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| 5 | [〈ident_of_nat 0 (* main *), CL_Internal ( |
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| 6 | mk_function (Tint I32 Signed ) [] [〈ident_of_nat 1, (Tint I8 Unsigned )〉 ; 〈ident_of_nat 2, (Tint I8 Unsigned )〉 ; 〈ident_of_nat 3, (Tint I8 Unsigned )〉 ; 〈ident_of_nat 4, (Tint I8 Unsigned )〉 ; 〈ident_of_nat 5, (Tint I8 Unsigned )〉 ] |
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| 7 | (Ssequence |
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| 8 | (Sassign (Expr (Evar (ident_of_nat 1)) (Tint I8 Unsigned )) |
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| 9 | (Expr (Ecast (Tint I8 Unsigned ) |
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| 10 | (Expr (Econst_int I32 (repr ? 1)) (Tint I32 Signed ))) |
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| 11 | (Tint I8 Unsigned ))) |
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| 12 | (Ssequence |
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| 13 | (Sassign (Expr (Evar (ident_of_nat 2)) (Tint I8 Unsigned )) |
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| 14 | (Expr (Ecast (Tint I8 Unsigned ) |
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| 15 | (Expr (Econst_int I32 (repr ? 2)) (Tint I32 Signed ))) |
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| 16 | (Tint I8 Unsigned ))) |
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| 17 | (Ssequence |
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| 18 | (Sassign (Expr (Evar (ident_of_nat 3)) (Tint I8 Unsigned )) |
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| 19 | (Expr (Ecast (Tint I8 Unsigned ) |
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| 20 | (Expr (Econst_int I32 (repr ? 3)) (Tint I32 Signed ))) |
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| 21 | (Tint I8 Unsigned ))) |
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| 22 | (Ssequence |
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| 23 | (Sassign (Expr (Evar (ident_of_nat 4)) (Tint I8 Unsigned )) |
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| 24 | (Expr (Ecast (Tint I8 Unsigned ) |
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| 25 | (Expr (Ebinop Oadd |
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| 26 | (Expr (Ecast (Tint I32 Signed ) |
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| 27 | (Expr (Evar (ident_of_nat 1)) (Tint I8 Unsigned ))) |
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| 28 | (Tint I32 Signed )) |
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| 29 | (Expr (Ecast (Tint I32 Signed ) |
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| 30 | (Expr (Evar (ident_of_nat 2)) (Tint I8 Unsigned ))) |
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| 31 | (Tint I32 Signed ))) (Tint I32 Signed ))) |
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| 32 | (Tint I8 Unsigned ))) |
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| 33 | (Ssequence |
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| 34 | (Sassign (Expr (Evar (ident_of_nat 5)) (Tint I8 Unsigned )) |
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| 35 | (Expr (Ecast (Tint I8 Unsigned ) |
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| 36 | (Expr (Ebinop Oadd |
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| 37 | (Expr (Ebinop Oadd |
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| 38 | (Expr (Ecast (Tint I32 Signed ) |
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| 39 | (Expr (Evar (ident_of_nat 1)) (Tint I8 Unsigned ))) |
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| 40 | (Tint I32 Signed )) |
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| 41 | (Expr (Ecast (Tint I32 Signed ) |
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| 42 | (Expr (Evar (ident_of_nat 2)) (Tint I8 Unsigned ))) |
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| 43 | (Tint I32 Signed ))) (Tint I32 Signed )) |
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| 44 | (Expr (Ecast (Tint I32 Signed ) |
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| 45 | (Expr (Evar (ident_of_nat 3)) (Tint I8 Unsigned ))) |
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| 46 | (Tint I32 Signed ))) (Tint I32 Signed ))) |
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| 47 | (Tint I8 Unsigned ))) |
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| 48 | (Sreturn (Some expr (Expr (Ebinop Oeq |
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| 49 | (Expr (Ecast (Tint I32 Signed ) |
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| 50 | (Expr (Evar (ident_of_nat 5)) |
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| 51 | (Tint I8 Unsigned ))) (Tint I32 Signed )) |
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| 52 | (Expr (Ebinop Oadd |
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| 53 | (Expr (Ecast (Tint I32 Signed ) |
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| 54 | (Expr (Evar (ident_of_nat 4)) |
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| 55 | (Tint I8 Unsigned ))) (Tint I32 Signed )) |
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| 56 | (Expr (Ecast (Tint I32 Signed ) |
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| 57 | (Expr (Evar (ident_of_nat 3)) |
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| 58 | (Tint I8 Unsigned ))) (Tint I32 Signed ))) |
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| 59 | (Tint I32 Signed ))) (Tint I32 Signed ))))))))) |
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| 60 | |
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| 61 | |
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| 62 | |
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| 63 | )〉] |
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| 64 | (ident_of_nat 0) |
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| 65 | [] |
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| 66 | . |
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| 67 | |
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| 68 | example exec: finishes_with (repr I32 1) ? (exec_up_to clight_fullexec myprog 1000 [EVint I32 (repr I32 0)]). |
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| 69 | normalize (* you can examine the result here *) |
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| 70 | @refl |
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| 71 | qed. |
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| 72 | |
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| 73 | include "Clight/SimplifyCasts.ma". |
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| 74 | |
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| 75 | example simplified: result ? (simplify_program myprog). |
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| 76 | normalize |
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| 77 | % |
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| 78 | qed. |
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| 79 | |
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| 80 | example exec_s: finishes_with (repr I32 1) ? (exec_up_to clight_fullexec (simplify_program myprog) 1000 [EVint I32 (repr I32 0)]). |
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| 81 | normalize (* you can examine the result here *) |
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| 82 | @refl |
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| 83 | qed. |
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| 84 | |
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