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cf73f136c5
Even if we don't actually use the value of the second argument, we have to evaluate it for side-effects. --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk>
35 lines
579 B
C++
35 lines
579 B
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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// expected-no-diagnostics
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constexpr int test_clzg_0() {
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int x = 0;
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(void)__builtin_clzg(0U, ++x);
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return x;
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}
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static_assert(test_clzg_0() == 1);
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constexpr int test_clzg_1() {
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int x = 0;
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(void)__builtin_clzg(1U, ++x);
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return x;
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}
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static_assert(test_clzg_1() == 1);
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constexpr int test_ctzg_0() {
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int x = 0;
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(void)__builtin_ctzg(0U, ++x);
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return x;
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}
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static_assert(test_ctzg_0() == 1);
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constexpr int test_ctzg_1() {
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int x = 0;
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(void)__builtin_ctzg(1U, ++x);
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return x;
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}
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static_assert(test_ctzg_1() == 1);
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