forked from OSchip/llvm-project
46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
|
// RUN: %clang_cc1 -std=c++1z -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s
|
||
|
|
|
||
|
|
template<int> struct A {};
|
||
|
|
template<int ...N> void foldr(A<(N + ...)>);
|
||
|
|
template<int ...N> void foldl(A<(... + N)>);
|
||
|
|
template<int ...N> void foldr1(A<(N + ... + 1)>);
|
||
|
|
template<int ...N> void foldl1(A<(1 + ... + N)>);
|
||
|
|
void use() {
|
||
|
|
foldr<1, 2, 3>({});
|
||
|
|
foldl<1, 2, 3>({});
|
||
|
|
foldr1<1, 2, 3>({});
|
||
|
|
foldl1<1, 2, 3>({});
|
||
|
|
// CHECK-DAG: @_Z5foldrIJLi1ELi2ELi3EEEv1AIXfrplT_EE(
|
||
|
|
// CHECK-DAG: @_Z5foldlIJLi1ELi2ELi3EEEv1AIXflplT_EE(
|
||
|
|
// CHECK-DAG: @_Z6foldr1IJLi1ELi2ELi3EEEv1AIXfxplT_Li1EEE(
|
||
|
|
// CHECK-DAG: @_Z6foldl1IJLi1ELi2ELi3EEEv1AIXfxplLi1ET_EE(
|
||
|
|
}
|
||
|
|
|
||
|
|
template<int ...N> using Foldr = A<(N + ...)>;
|
||
|
|
template<int ...N> using Foldl = A<(... + N)>;
|
||
|
|
template<int ...N> using Foldr1 = A<(N + ... + 1)>;
|
||
|
|
template<int ...N> using Foldl1 = A<(1 + ... + N)>;
|
||
|
|
|
||
|
|
template<int ...A> struct Partial {
|
||
|
|
template<int ...B> void foldr(Foldr<A..., B..., A..., B...>);
|
||
|
|
template<int ...B> void foldl(Foldr<A..., B..., A..., B...>);
|
||
|
|
template<int ...B> void foldr1(Foldr1<A..., B..., A..., B...>);
|
||
|
|
template<int ...B> void foldl1(Foldl1<A..., B..., A..., B...>);
|
||
|
|
};
|
||
|
|
void use(Partial<1, 2> p) {
|
||
|
|
p.foldr<3, 4>({});
|
||
|
|
p.foldl<3, 4>({});
|
||
|
|
p.foldr1<3, 4>({});
|
||
|
|
p.foldl1<3, 4>({});
|
||
|
|
// CHECK-DAG: @_ZN7PartialIJLi1ELi2EEE5foldrIJLi3ELi4EEEEv1AIXplLi1EplLi2EfxplT_plLi1EplLi2EfrplT_EE(
|
||
|
|
// CHECK-DAG: @_ZN7PartialIJLi1ELi2EEE5foldlIJLi3ELi4EEEEv1AIXplLi1EplLi2EfxplT_plLi1EplLi2EfrplT_EE(
|
||
|
|
// CHECK-DAG: @_ZN7PartialIJLi1ELi2EEE6foldr1IJLi3ELi4EEEEv1AIXplLi1EplLi2EfxplT_plLi1EplLi2EfxplT_Li1EEE(
|
||
|
|
// CHECK-DAG: @_ZN7PartialIJLi1ELi2EEE6foldl1IJLi3ELi4EEEEv1AIXfxplplplfxplplplLi1ELi1ELi2ET_Li1ELi2ET_EE(
|
||
|
|
}
|
||
|
|
|
||
|
|
extern int n;
|
||
|
|
template<int ...N> void f() {
|
||
|
|
(n = ... = N);
|
||
|
|
}
|
||
|
|
template void f<>();
|