| // RUN: %clang_cc1 -fexperimental-new-constant-interpreter %s -verify |
| // RUN: %clang_cc1 -fexperimental-new-constant-interpreter %s -S -emit-llvm -o - | FileCheck %s |
| // RUN: %clang_cc1 -verify=ref %s -Wno-constant-evaluated |
| // RUN: %clang_cc1 -verify=ref %s -Wno-constant-evaluated %s -S -emit-llvm -o - | FileCheck %s |
| |
| // expected-no-diagnostics |
| // ref-no-diagnostics |
| |
| using size_t = decltype(sizeof(int)); |
| |
| namespace std { |
| inline constexpr bool is_constant_evaluated() noexcept { |
| return __builtin_is_constant_evaluated(); |
| } |
| } // namespace std |
| |
| constexpr bool b = std::is_constant_evaluated(); |
| static_assert(b, ""); |
| static_assert(std::is_constant_evaluated() , ""); |
| |
| |
| bool is_this_constant() { |
| return __builtin_is_constant_evaluated(); // CHECK: ret i1 false |
| } |
| |
| constexpr bool assume() { |
| __builtin_assume(true); |
| __builtin_assume(false); |
| return true; |
| } |
| static_assert(assume(), ""); |