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46 lines
1.7 KiB
46 lines
1.7 KiB
4 months ago
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// RUN: %clang_cc1 -std=c++1z -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s
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template<int> struct A {};
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template<int ...N> void foldr(A<(N + ...)>);
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template<int ...N> void foldl(A<(... + N)>);
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template<int ...N> void foldr1(A<(N + ... + 1)>);
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template<int ...N> void foldl1(A<(1 + ... + N)>);
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void use() {
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foldr<1, 2, 3>({});
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foldl<1, 2, 3>({});
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foldr1<1, 2, 3>({});
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foldl1<1, 2, 3>({});
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// CHECK-DAG: @_Z5foldrIJLi1ELi2ELi3EEEv1AIXfrplT_EE(
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// CHECK-DAG: @_Z5foldlIJLi1ELi2ELi3EEEv1AIXflplT_EE(
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// CHECK-DAG: @_Z6foldr1IJLi1ELi2ELi3EEEv1AIXfRplT_Li1EEE(
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// CHECK-DAG: @_Z6foldl1IJLi1ELi2ELi3EEEv1AIXfLplLi1ET_EE(
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}
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template<int ...N> using Foldr = A<(N + ...)>;
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template<int ...N> using Foldl = A<(... + N)>;
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template<int ...N> using Foldr1 = A<(N + ... + 1)>;
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template<int ...N> using Foldl1 = A<(1 + ... + N)>;
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template<int ...A> struct Partial {
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template<int ...B> void foldr(Foldr<A..., B..., A..., B...>);
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template<int ...B> void foldl(Foldl<A..., B..., A..., B...>);
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template<int ...B> void foldr1(Foldr1<A..., B..., A..., B...>);
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template<int ...B> void foldl1(Foldl1<A..., B..., A..., B...>);
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};
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void use(Partial<1, 2> p) {
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p.foldr<3, 4>({});
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p.foldl<3, 4>({});
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p.foldr1<3, 4>({});
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p.foldl1<3, 4>({});
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// CHECK-DAG: @_ZN7PartialIJLi1ELi2EEE5foldrIJLi3ELi4EEEEv1AIXplLi1EplLi2EfRplT_plLi1EplLi2EfrplT_EE(
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// CHECK-DAG: @_ZN7PartialIJLi1ELi2EEE5foldlIJLi3ELi4EEEEv1AIXfLplplplfLplplLi1ELi2ET_Li1ELi2ET_EE
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// CHECK-DAG: @_ZN7PartialIJLi1ELi2EEE6foldr1IJLi3ELi4EEEEv1AIXplLi1EplLi2EfRplT_plLi1EplLi2EfRplT_Li1EEE(
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// CHECK-DAG: @_ZN7PartialIJLi1ELi2EEE6foldl1IJLi3ELi4EEEEv1AIXfLplplplfLplplplLi1ELi1ELi2ET_Li1ELi2ET_EE(
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}
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extern int n;
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template<int ...N> void f() {
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(n = ... = N);
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}
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template void f<>();
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