forked from libre-chip/fayalite
add test for connect_any with nested enums with different-sized variant bodies
simplify_enums is currently broken in that case
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SHA256:B1iRVvUJkvd7upMIiMqn6OyxvD2SgJkAH3ZnUOj6z+c
1 changed files with 130 additions and 0 deletions
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@ -3234,3 +3234,133 @@ circuit check_formal:
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"#,
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};
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}
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#[hdl]
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pub enum OneOfThree<A, B, C> {
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A(A),
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B(B),
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C(C),
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}
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#[hdl_module(outline_generated)]
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pub fn check_enum_connect_any() {
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#[hdl]
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let index: UInt<2> = m.input();
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#[hdl]
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let i0: OneOfThree<UInt<0>, HdlOption<SInt<0>>, Bool> = m.input();
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#[hdl]
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let i1: OneOfThree<UInt<1>, HdlOption<SInt<1>>, Bool> = m.input();
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#[hdl]
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let i2: OneOfThree<UInt<2>, HdlOption<SInt<2>>, Bool> = m.input();
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#[hdl]
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let i3: OneOfThree<UInt<3>, HdlOption<SInt<3>>, Bool> = m.input();
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#[hdl]
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let o0: OneOfThree<UInt<0>, HdlOption<SInt<0>>, Bool> = m.output();
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#[hdl]
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let o1: OneOfThree<UInt<1>, HdlOption<SInt<1>>, Bool> = m.output();
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#[hdl]
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let o2: OneOfThree<UInt<2>, HdlOption<SInt<2>>, Bool> = m.output();
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#[hdl]
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let o3: OneOfThree<UInt<3>, HdlOption<SInt<3>>, Bool> = m.output();
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#[hdl]
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if index.cmp_eq(0u8) {
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connect_any(o0, i0);
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connect_any(o1, i1);
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connect_any(o2, i2);
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connect_any(o3, i3);
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} else if index.cmp_eq(1u8) {
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connect_any(o0, i1);
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connect_any(o1, i2);
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connect_any(o2, i3);
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connect_any(o3, i0);
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} else if index.cmp_eq(2u8) {
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connect_any(o0, i2);
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connect_any(o1, i3);
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connect_any(o2, i0);
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connect_any(o3, i1);
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} else {
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connect_any(o0, i3);
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connect_any(o1, i0);
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connect_any(o2, i1);
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connect_any(o3, i2);
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}
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}
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#[cfg(todo)]
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#[test]
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fn test_enum_connect_any() {
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let _n = SourceLocation::normalize_files_for_tests();
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let m = check_enum_connect_any();
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dbg!(m);
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#[rustfmt::skip] // work around https://github.com/rust-lang/rustfmt/issues/6161
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assert_export_firrtl! {
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m =>
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"/test/check_enum_connect_any.fir": r"FIRRTL version 3.2.0
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circuit check_enum_connect_any:
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type Ty0 = {|HdlNone, HdlSome: SInt<0>|}
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type Ty1 = {|A: UInt<0>, B: Ty0, C: UInt<1>|}
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type Ty2 = {|HdlNone, HdlSome: SInt<1>|}
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type Ty3 = {|A: UInt<1>, B: Ty2, C: UInt<1>|}
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type Ty4 = {|HdlNone, HdlSome: SInt<2>|}
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type Ty5 = {|A: UInt<2>, B: Ty4, C: UInt<1>|}
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type Ty6 = {|HdlNone, HdlSome: SInt<3>|}
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type Ty7 = {|A: UInt<3>, B: Ty6, C: UInt<1>|}
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module check_enum_connect_any: @[module-XXXXXXXXXX.rs 1:1]
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input index: UInt<2> @[module-XXXXXXXXXX.rs 2:1]
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input i0: Ty1 @[module-XXXXXXXXXX.rs 3:1]
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input i1: Ty3 @[module-XXXXXXXXXX.rs 4:1]
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input i2: Ty5 @[module-XXXXXXXXXX.rs 5:1]
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input i3: Ty7 @[module-XXXXXXXXXX.rs 6:1]
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output o0: Ty1 @[module-XXXXXXXXXX.rs 7:1]
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output o1: Ty3 @[module-XXXXXXXXXX.rs 8:1]
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output o2: Ty5 @[module-XXXXXXXXXX.rs 9:1]
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output o3: Ty7 @[module-XXXXXXXXXX.rs 10:1]
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when eq(index, UInt<8>(0h0)): @[module-XXXXXXXXXX.rs 11:1]
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connect o0, i0 @[module-XXXXXXXXXX.rs 12:1]
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connect o1, i1 @[module-XXXXXXXXXX.rs 13:1]
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connect o2, i2 @[module-XXXXXXXXXX.rs 14:1]
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connect o3, i3 @[module-XXXXXXXXXX.rs 15:1]
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else when eq(index, UInt<8>(0h1)): @[module-XXXXXXXXXX.rs 16:1]
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connect o0, i1 @[module-XXXXXXXXXX.rs 17:1]
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connect o1, i2 @[module-XXXXXXXXXX.rs 18:1]
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connect o2, i3 @[module-XXXXXXXXXX.rs 19:1]
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connect o3, i0 @[module-XXXXXXXXXX.rs 20:1]
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else when eq(index, UInt<8>(0h2)): @[module-XXXXXXXXXX.rs 21:1]
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connect o0, i2 @[module-XXXXXXXXXX.rs 22:1]
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connect o1, i3 @[module-XXXXXXXXXX.rs 23:1]
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connect o2, i0 @[module-XXXXXXXXXX.rs 24:1]
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connect o3, i1 @[module-XXXXXXXXXX.rs 25:1]
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else:
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connect o0, i3 @[module-XXXXXXXXXX.rs 26:1]
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connect o1, i0 @[module-XXXXXXXXXX.rs 27:1]
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connect o2, i1 @[module-XXXXXXXXXX.rs 28:1]
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connect o3, i2 @[module-XXXXXXXXXX.rs 29:1]
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",
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};
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// FIXME: simplify_enums is broken when connecting enums that contain
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// UInt/SInt where their widths don't match. it should recurse into the
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// enum bodies so it can properly sign/zero-extend or truncate the
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// contained UInt/SInt fields.
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let orig_m = m.canonical().intern();
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let m = simplify_enums(orig_m, SimplifyEnumsKind::SimplifyToEnumsWithNoBody).unwrap();
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dbg!(m);
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#[rustfmt::skip] // work around https://github.com/rust-lang/rustfmt/issues/6161
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assert_export_firrtl! {
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m =>
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"/test/check_enum_connect_any.fir": r"TODO",
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};
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let m = simplify_enums(orig_m, SimplifyEnumsKind::ReplaceWithBundleOfUInts).unwrap();
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dbg!(m);
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#[rustfmt::skip] // work around https://github.com/rust-lang/rustfmt/issues/6161
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assert_export_firrtl! {
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m =>
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"/test/check_enum_connect_any.fir": r"TODO",
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};
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let m = simplify_enums(orig_m, SimplifyEnumsKind::ReplaceWithUInt).unwrap();
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dbg!(m);
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#[rustfmt::skip] // work around https://github.com/rust-lang/rustfmt/issues/6161
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assert_export_firrtl! {
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m =>
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"/test/check_enum_connect_any.fir": r"TODO",
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};
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}
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