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5d5c0624d0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141294 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.4 KiB
TableGen
46 lines
1.4 KiB
TableGen
// RUN: llvm-tblgen %s | FileCheck %s
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// XFAIL: vg_leak
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// Support for an `!if' operator as part of a `let' statement.
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// CHECK: class C
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// CHECK-NEXT: bits<16> n = { ?, ?, ?, ?, ?, ?, ?, !if({ C:x{2} }, 0, 1), !if({ C:x{2} }, 1, 1), !if({ C:x{2} }, 0, 0), !if({ C:x{1} }, C:y{3}, 0), !if({ C:x{1} }, C:y{2}, 1), !if({ C:x{0} }, C:y{3}, C:z), !if({ C:x{0} }, C:y{2}, C:y{2}), !if({ C:x{0} }, C:y{1}, C:y{1}), !if({ C:x{0} }, C:y{0}, C:y{0}) };
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class C<bits<3> x, bits<4> y, bit z> {
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bits<16> n;
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let n{8-6} = !if(x{2}, 0b010, 0b110);
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let n{5-4} = !if(x{1}, y{3-2}, {0, 1});
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let n{3-0} = !if(x{0}, y{3-0}, {z, y{2}, y{1}, y{0}});
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}
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// CHECK: def One
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// CHECK-NEXT: list<int> first = [1, 2, 3];
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// CHECK-NEXT: list<int> rest = [1, 2, 3];
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// CHECK: def OneB
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// CHECK-NEXT: list<int> vals = [1, 2, 3];
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// CHECK: def Two
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// CHECK-NEXT: list<int> first = [1, 2, 3];
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// CHECK-NEXT: list<int> rest = [4, 5, 6];
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// CHECK: def TwoB
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// CHECK-NEXT: list<int> vals = [4, 5, 6];
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class A<list<list<int>> vals> {
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list<int> first = vals[0];
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list<int> rest = !if(!empty(!tail(vals)), vals[0], vals[1]);
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}
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def One : A<[[1,2,3]]>;
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def Two : A<[[1,2,3], [4,5,6]]>;
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class B<list<int> v> {
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list<int> vals = v;
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}
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class BB<list<list<int>> vals> : B<!if(!empty(!tail(vals)), vals[0], vals[1])>;
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class BBB<list<list<int>> vals> : BB<vals>;
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def OneB : BBB<[[1,2,3]]>;
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def TwoB : BBB<[[1,2,3],[4,5,6]]>;
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