102 lines
2 KiB
TableGen
102 lines
2 KiB
TableGen
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// RUN: llvm-tblgen --no-warn-on-unused-template-args %s | FileCheck %s
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// XFAIL: vg_leak
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class A;
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def a0 : A;
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class A_check<string name>{
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int exists = !exists<A>(name);
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}
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def a0_exists : A_check<"a0">;
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def a1_missing : A_check<"a1">;
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// Subclasses are allowed.
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class B;
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class SubOfB : B;
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class B_check<string name> {
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int exists = !exists<B>(name);
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}
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def sub : SubOfB;
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def sub_exists : B_check<"sub">;
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def a0_is_not_sub_of_B : B_check<"a0">;
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// Self-references are allowed.
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class Self_check<string name> {
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int exists = !exists<Self_check>(name);
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}
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def self_reference : Self_check<"self_reference">; // Self-reference
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// There is no record called `current` in current context though we will define it below.
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def current_missing : Self_check<"current">;
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def current : Self_check<"current">;
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// Check that conditional definitions dependent on the resolution of an
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// exists clause work as expected.
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// Reminder: a0 exists, a1 does not.
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class C {
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int exists = 1;
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}
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if !exists<A>("a0") then
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def if_exists : C;
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if !exists<A>("a1") then
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def if_no_exists: C;
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foreach e = ["a0", "a1"] in {
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if !exists<A>(e) then
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def for_exists_ # e: C;
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}
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multiclass mc {
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foreach e = ["a0", "a1"] in {
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if !exists<A>(e) then
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def _ # e: C;
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}
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}
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defm multiclass_exists : mc<>;
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// CHECK: def a0_exists {
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// CHECK: int exists = 1;
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// CHECK: }
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// CHECK: def a0_is_not_sub_of_B {
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// CHECK: int exists = 0;
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// CHECK: }
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// CHECK: def a1_missing {
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// CHECK: int exists = 0;
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// CHECK: }
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// CHECK: def current {
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// CHECK: int exists = 1;
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// CHECK: }
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// `current` doesn't exist because we define it below `current_missing`.
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// CHECK: def current_missing {
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// CHECK: int exists = 0;
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// CHECK: }
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// CHECK: def for_exists_a0 {
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// CHECK: int exists = 1;
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// CHECK: }
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// CHECK: def if_exists {
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// CHECK: int exists = 1;
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// CHECK: }
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// CHECK: def multiclass_exists_a0 {
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// CHECK: int exists = 1;
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// CHECK: }
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// CHECK: def self_reference {
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// CHECK: int exists = 1;
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// CHECK: }
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// CHECK: def sub_exists {
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// CHECK: int exists = 1;
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// CHECK: }
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