6afcc4a459
DR692 handles two cases: pack expansion (for class/var template) and function parameter pack. The former needs DR1432 as a fix, and the latter needs DR1395 as a fix. However, DR1432 has not yet made a wording change. so I made a tentative fix for DR1432 with the same spirit as DR1395. Reviewed By: aaron.ballman, erichkeane, #clang-language-wg Differential Revision: https://reviews.llvm.org/D128745
55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fclang-abi-compat=14 -DCLANG_ABI_COMPAT=14 %s -emit-llvm -disable-llvm-passes -o - | FileCheck %s --check-prefix=CHECK-14
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// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -emit-llvm -disable-llvm-passes -o - | FileCheck %s
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#if defined(CLANG_ABI_COMPAT) && CLANG_ABI_COMPAT <= 14
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// CHECK-14: define dso_local void @_ZN24temp_func_order_example31hEi(i32 noundef %i)
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// CHECK-14-NEXT: entry:
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// CHECK-14-NEXT: %i.addr = alloca i32, align 4
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// CHECK-14-NEXT: %r = alloca ptr, align 8
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// CHECK-14-NEXT: store i32 %i, ptr %i.addr, align 4
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// CHECK-14-NEXT: %call = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN24temp_func_order_example31gIiJEEERiPT_DpT0_(ptr noundef %i.addr)
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// CHECK-14-NEXT: store ptr %call, ptr %r, align 8
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// CHECK-14-NEXT: ret void
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namespace temp_func_order_example3 {
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template <typename T, typename... U> int &g(T *, U...);
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template <typename T> void g(T);
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void h(int i) {
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int &r = g(&i);
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}
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}
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#else
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// CHECK: %"struct.temp_deduct_type_example1::A" = type { i8 }
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// CHECK: $_ZN25temp_deduct_type_example31fIiJEEEvPT_DpT0_ = comdat any
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// CHECK: define dso_local void @_ZN25temp_deduct_type_example11fEv()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: %a = alloca %"struct.temp_deduct_type_example1::A", align 1
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// CHECK-NEXT: ret void
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// CHECK: define weak_odr void @_ZN25temp_deduct_type_example31fIiJEEEvPT_DpT0_(ptr noundef %0)
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// CHECK-NEXT: entry:
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// CHECK-NEXT: %.addr = alloca ptr, align 8
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// CHECK-NEXT: store ptr %0, ptr %.addr, align 8
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// CHECK-NEXT: ret void
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namespace temp_deduct_type_example1 {
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template<class T, class... U> struct A;
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template<class T1, class T2, class... U> struct A<T1,T2*,U...> {};
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template<class T1, class T2> struct A<T1,T2>;
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template struct A<int, int*>;
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void f() { A<int, int*> a; }
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}
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namespace temp_deduct_type_example3 {
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template<class T, class... U> void f(T*, U...){}
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template<class T> void f(T){}
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template void f(int*);
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}
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#endif
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