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Differential D137487 Diff 492072 clang/test/AST/Interp/builtins.cpp

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clang/test/AST/Interp/builtins.cpp

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// 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
}