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34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
// RUN: %clang_cc1 -fexperimental-new-constant-interpreter %s -Wno-constant-evaluated -verify -fms-extensions
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// RUN: %clang_cc1 -fexperimental-new-constant-interpreter %s -Wno-constant-evaluated -fms-extensions -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -verify=ref %s -Wno-constant-evaluated -fms-extensions
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// RUN: %clang_cc1 -verify=ref %s -Wno-constant-evaluated %s -fms-extensions -emit-llvm -o - | FileCheck %s
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// expected-no-diagnostics
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// ref-no-diagnostics
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using size_t = decltype(sizeof(int));
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namespace std {
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inline constexpr bool is_constant_evaluated() noexcept {
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return __builtin_is_constant_evaluated();
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}
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} // namespace std
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constexpr bool b = std::is_constant_evaluated();
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static_assert(b, "");
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static_assert(std::is_constant_evaluated() , "");
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bool is_this_constant() {
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return __builtin_is_constant_evaluated(); // CHECK: ret i1 false
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}
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constexpr bool assume() {
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__builtin_assume(true);
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__builtin_assume(false);
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__assume(1);
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__assume(false);
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return true;
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}
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static_assert(assume(), "");
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