| // RUN: llvm-tblgen %s | FileCheck %s |
| // XFAIL: vg_leak |
| |
| // Support for an `!if' operator as part of a `let' statement. |
| // CHECK: class C |
| // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, !if({ C:y{3} }, 1, !if({ C:y{2} }, { C:x{0} }, !if({ C:y{1} }, { C:x{1} }, !if({ C:y{0} }, { C:x{2} }, ?)))){0}, !if({ C:x{2} }, { C:y{3}, C:y{2} }, !if({ C:x{1} }, { C:y{2}, C:y{1} }, !if({ C:x{0} }, { C:y{1}, C:y{0} }, ?))){1}, !if({ C:x{2} }, { C:y{3}, C:y{2} }, !if({ C:x{1} }, { C:y{2}, C:y{1} }, !if({ C:x{0} }, { C:y{1}, C:y{0} }, ?))){0}, !if({ C:x{2} }, { 0, 1, 0 }, { 1, 1, 0 }){2}, !if({ C:x{2} }, { 0, 1, 0 }, { 1, 1, 0 }){1}, !if({ C:x{2} }, { 0, 1, 0 }, { 1, 1, 0 }){0}, !if({ C:x{1} }, { C:y{3}, C:y{2} }, { 0, 1 }){1}, !if({ C:x{1} }, { C:y{3}, C:y{2} }, { 0, 1 }){0}, !if({ C:x{0} }, { C:y{3}, C:y{2}, C:y{1}, C:y{0} }, { C:z, C:y{2}, C:y{1}, C:y{0} }){3}, !if({ C:x{0} }, { C:y{3}, C:y{2}, C:y{1}, C:y{0} }, { C:z, C:y{2}, C:y{1}, C:y{0} }){2}, !if({ C:x{0} }, { C:y{3}, C:y{2}, C:y{1}, C:y{0} }, { C:z, C:y{2}, C:y{1}, C:y{0} }){1}, !if({ C:x{0} }, { C:y{3}, C:y{2}, C:y{1}, C:y{0} }, { C:z, C:y{2}, C:y{1}, C:y{0} }){0} }; |
| class C<bits<3> x, bits<4> y, bit z> { |
| bits<16> n; |
| |
| let n{11} = !if(y{3}, 1, |
| !if(y{2}, x{0}, |
| !if(y{1}, x{1}, |
| !if(y{0}, x{2}, ?)))); |
| let n{10-9}= !if(x{2}, y{3-2}, |
| !if(x{1}, y{2-1}, |
| !if(x{0}, y{1-0}, ?))); |
| let n{8-6} = !if(x{2}, 0b010, 0b110); |
| let n{5-4} = !if(x{1}, y{3-2}, {0, 1}); |
| let n{3-0} = !if(x{0}, y{3-0}, {z, y{2}, y{1}, y{0}}); |
| } |
| |
| def C1 : C<{1, 0, 1}, {0, 1, 0, 1}, 0>; |
| def C2 : C<{0, 1, 0}, {1, 0, 1, 0}, 1>; |
| def C3 : C<{0, 0, 0}, {1, 0, 1, 0}, 0>; |
| def C4 : C<{0, 0, 0}, {0, 0, 0, 0}, 0>; |
| |
| // CHECK: def C1 |
| // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 }; |
| // CHECK: def C2 |
| // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0 }; |
| // CHECK: def C3 |
| // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, 1, ?, ?, 1, 1, 0, 0, 1, 0, 0, 1, 0 }; |
| // CHECK: def C4 |
| // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, ?, ?, ?, 1, 1, 0, 0, 1, 0, 0, 0, 0 }; |
| |
| class S<int s> { |
| bits<2> val = !if(!eq(s, 8), {0, 0}, |
| !if(!eq(s, 16), 0b01, |
| !if(!eq(s, 32), 2, |
| !if(!eq(s, 64), {1, 1}, ?)))); |
| } |
| |
| def D8 : S<8>; |
| def D16 : S<16>; |
| def D32 : S<32>; |
| def D64 : S<64>; |
| def D128: S<128>; |
| // CHECK: def D128 |
| // CHECK-NEXT: bits<2> val = { ?, ? }; |
| // CHECK: def D16 |
| // CHECK-NEXT: bits<2> val = { 0, 1 }; |
| // CHECK: def D32 |
| // CHECK-NEXT: bits<2> val = { 1, 0 }; |
| // CHECK: def D64 |
| // CHECK-NEXT: bits<2> val = { 1, 1 }; |
| // CHECK: def D8 |
| // CHECK-NEXT: bits<2> val = { 0, 0 }; |
| |
| // CHECK: def One |
| // CHECK-NEXT: list<int> first = [1, 2, 3]; |
| // CHECK-NEXT: list<int> rest = [1, 2, 3]; |
| |
| // CHECK: def OneB |
| // CHECK-NEXT: list<int> vals = [1, 2, 3]; |
| |
| // CHECK: def Two |
| // CHECK-NEXT: list<int> first = [1, 2, 3]; |
| // CHECK-NEXT: list<int> rest = [4, 5, 6]; |
| |
| // CHECK: def TwoB |
| // CHECK-NEXT: list<int> vals = [4, 5, 6]; |
| |
| class A<list<list<int>> vals> { |
| list<int> first = vals[0]; |
| list<int> rest = !if(!empty(!tail(vals)), vals[0], vals[1]); |
| } |
| |
| def One : A<[[1,2,3]]>; |
| def Two : A<[[1,2,3], [4,5,6]]>; |
| |
| class B<list<int> v> { |
| list<int> vals = v; |
| } |
| |
| class BB<list<list<int>> vals> : B<!if(!empty(!tail(vals)), vals[0], vals[1])>; |
| class BBB<list<list<int>> vals> : BB<vals>; |
| |
| def OneB : BBB<[[1,2,3]]>; |
| def TwoB : BBB<[[1,2,3],[4,5,6]]>; |