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91 lines
2.6 KiB
TableGen
91 lines
2.6 KiB
TableGen
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// RUN: not llvm-tblgen %s 2>&1 > %t
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// RUN: FileCheck %s < %t
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def a {
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bits<2> opc = { 0, 1 };
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bits<2> opc2 = { 1, 0 };
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bits<1> opc3 = { 1 };
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bits<2> a = { opc, opc2 }; // error!
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bits<2> b = { opc{0}, opc2{0} };
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bits<2> c = { opc{1}, opc2{1} };
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bits<2> c = { opc3{0}, opc3 };
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}
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// CHECK: def a {
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// CHECK: bits<2> opc = { 0, 1 };
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// CHECK: bits<2> opc2 = { 1, 0 };
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// CHECK: bits<1> opc3 = { 1 };
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// CHECK: bits<2> a;
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// CHECK: bits<2> b = { 1, 0 };
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// CHECK: bits<2> c = { 1, 1 };
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// CHECK: }
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def {
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bits<2> B1 = 0b011; // bitfield is too small, reject
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bits<3> B2 = 0b011; // ok
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bits<2> C1 = 0b111; // bitfield is too small, reject
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bits<3> C2 = 0b111; // ok
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bits<2> D1 = { 0, 0 }; // ok
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bits<2> D2 = { 0b00 }; // ok
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bits<3> D3 = { 0, 0 }; // type mismatch. RHS doesn't have enough bits
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bits<3> D4 = { 0b00 }; // type mismatch. RHS doesn't have enough bits
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bits<1> D5 = { 0 }; // ok
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bits<1> D6 = { 1 }; // ok
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bits<1> D7 = { 3 }; // type mismatch. LHS doesn't have enough bits
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bits<2> D8 = { 0 }; // type mismatch. RHS doesn't have enough bits
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bits<8> E;
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let E{7...0} = {0,0,1,?,?,?,?,?};
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let E{3...0} = 0b0010;
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bits<8> F1 = { 0, 1, 0b1001, 0, 0b0 }; // ok
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bits<7> F2 = { 0, 1, 0b1001, 0, 0b0 }; // LHS doesn't have enough bits
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bits<9> F3 = { 0, 1, 0b1001, 0, 0b0 }; // RHS doesn't have enough bits
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bits<8> G1 = { 0, { 1, 0b1001, 0 }, 0b0 }; // ok
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bits<8> G2 = { 0, { 1, 0b1001 }, 0, 0b0 }; // ok
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bits<8> G3 = { 0, 1, { 0b1001 }, 0, 0b0 }; // ok
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bits<16> H;
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let H{15...0} = { { 0b11001100 }, 0b00110011 };
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bits<16> I = { G1, G2 };
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// Make sure we can initialise ints with bits<> values.
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int J = H;
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int K = { 0, 1 };
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bits<2> L;
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let L{0} = 1;
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let L{1} = !eq(L{0}, 0);
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}
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// CHECK: def {{.*}} {
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// CHECK: bits<2> B1;
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// CHECK: bits<3> B2 = { 0, 1, 1 };
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// CHECK: bits<2> C1;
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// CHECK: bits<3> C2 = { 1, 1, 1 };
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// CHECK: bits<2> D1 = { 0, 0 };
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// CHECK: bits<2> D2 = { 0, 0 };
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// CHECK: bits<3> D3;
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// CHECK: bits<3> D4;
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// CHECK: bits<1> D5 = { 0 };
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// CHECK: bits<1> D6 = { 1 };
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// CHECK: bits<1> D7 = { !cast<bit>(3) };
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// CHECK: bits<2> D8;
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// CHECK: bits<8> E = { 0, 0, 1, ?, 0, 0, 1, 0 };
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// CHECK: bits<8> F1 = { 0, 1, 1, 0, 0, 1, 0, 0 };
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// CHECK: bits<7> F2;
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// CHECK: bits<9> F3;
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// CHECK: bits<8> G1 = { 0, 1, 1, 0, 0, 1, 0, 0 };
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// CHECK: bits<8> G2 = { 0, 1, 1, 0, 0, 1, 0, 0 };
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// CHECK: bits<8> G3 = { 0, 1, 1, 0, 0, 1, 0, 0 };
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// CHECK: bits<16> H = { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1 };
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// CHECK: bits<16> I = { 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0 };
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// CHECK: int J = 52275;
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// CHECK: int K = 1;
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// CHECK: bits<2> L = { 0, 1 };
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// CHECK: }
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