1 // RUN: llvm-tblgen %s | FileCheck %s 2 // XFAIL: vg_leak 3 4 // Support for an `!if' operator as part of a `let' statement. 5 // CHECK: class C 6 // 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} }, 2, 6){2}, !if({ C:x{2} }, 2, 6){1}, !if({ C:x{2} }, 2, 6){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} }; 7 class C<bits<3> x, bits<4> y, bit z> { 8 bits<16> n; 9 10 let n{11} = !if(y{3}, 1, 11 !if(y{2}, x{0}, 12 !if(y{1}, x{1}, 13 !if(y{0}, x{2}, ?)))); 14 let n{10-9}= !if(x{2}, y{3-2}, 15 !if(x{1}, y{2-1}, 16 !if(x{0}, y{1-0}, ?))); 17 let n{8-6} = !if(x{2}, 0b010, 0b110); 18 let n{5-4} = !if(x{1}, y{3-2}, {0, 1}); 19 let n{3-0} = !if(x{0}, y{3-0}, {z, y{2}, y{1}, y{0}}); 20 } 21 22 def C1 : C<{1, 0, 1}, {0, 1, 0, 1}, 0>; 23 def C2 : C<{0, 1, 0}, {1, 0, 1, 0}, 1>; 24 def C3 : C<{0, 0, 0}, {1, 0, 1, 0}, 0>; 25 def C4 : C<{0, 0, 0}, {0, 0, 0, 0}, 0>; 26 27 // CHECK: def C1 28 // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 }; 29 // CHECK: def C2 30 // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0 }; 31 // CHECK: def C3 32 // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, 1, ?, ?, 1, 1, 0, 0, 1, 0, 0, 1, 0 }; 33 // CHECK: def C4 34 // CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, ?, ?, ?, 1, 1, 0, 0, 1, 0, 0, 0, 0 }; 35 36 class S<int s> { 37 bits<2> val = !if(!eq(s, 8), {0, 0}, 38 !if(!eq(s, 16), 0b01, 39 !if(!eq(s, 32), 2, 40 !if(!eq(s, 64), {1, 1}, ?)))); 41 } 42 43 def D8 : S<8>; 44 def D16 : S<16>; 45 def D32 : S<32>; 46 def D64 : S<64>; 47 def D128: S<128>; 48 // CHECK: def D128 49 // CHECK-NEXT: bits<2> val = { ?, ? }; 50 // CHECK: def D16 51 // CHECK-NEXT: bits<2> val = { 0, 1 }; 52 // CHECK: def D32 53 // CHECK-NEXT: bits<2> val = { 1, 0 }; 54 // CHECK: def D64 55 // CHECK-NEXT: bits<2> val = { 1, 1 }; 56 // CHECK: def D8 57 // CHECK-NEXT: bits<2> val = { 0, 0 }; 58 59 // CHECK: def One 60 // CHECK-NEXT: list<int> first = [1, 2, 3]; 61 // CHECK-NEXT: list<int> rest = [1, 2, 3]; 62 63 // CHECK: def OneB 64 // CHECK-NEXT: list<int> vals = [1, 2, 3]; 65 66 // CHECK: def Two 67 // CHECK-NEXT: list<int> first = [1, 2, 3]; 68 // CHECK-NEXT: list<int> rest = [4, 5, 6]; 69 70 // CHECK: def TwoB 71 // CHECK-NEXT: list<int> vals = [4, 5, 6]; 72 73 class A<list<list<int>> vals> { 74 list<int> first = vals[0]; 75 list<int> rest = !if(!empty(!tail(vals)), vals[0], vals[1]); 76 } 77 78 def One : A<[[1,2,3]]>; 79 def Two : A<[[1,2,3], [4,5,6]]>; 80 81 class B<list<int> v> { 82 list<int> vals = v; 83 } 84 85 class BB<list<list<int>> vals> : B<!if(!empty(!tail(vals)), vals[0], vals[1])>; 86 class BBB<list<list<int>> vals> : BB<vals>; 87 88 def OneB : BBB<[[1,2,3]]>; 89 def TwoB : BBB<[[1,2,3],[4,5,6]]>; 90
