43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
// RUN: %clang_cc1 -verify -Wunused -Wused-but-marked-unused -Wunused-parameter -Wunused -fsyntax-only %s
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static void (*fp0)(void) __attribute__((unused));
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static void __attribute__((unused)) f0(void);
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// On K&R
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int f1() __attribute__((unused));
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int g0 __attribute__((unused));
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int f2() __attribute__((unused(1, 2))); // expected-error {{'unused' attribute takes no arguments}}
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struct Test0_unused {} __attribute__((unused));
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struct Test0_not_unused {};
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typedef int Int_unused __attribute__((unused));
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typedef int Int_not_unused;
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void test0() {
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int x; // expected-warning {{unused variable}}
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Int_not_unused i0; // expected-warning {{unused variable}}
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Int_unused i1; // expected-warning {{'Int_unused' was marked unused but was used}}
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struct Test0_not_unused s0; // expected-warning {{unused variable}}
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struct Test0_unused s1; // expected-warning {{'Test0_unused' was marked unused but was used}}
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}
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int f3(int x) { // expected-warning{{unused parameter 'x'}}
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return 0;
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}
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int f4(int x) {
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return x;
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}
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int f5(int x __attribute__((__unused__))) {
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return 0;
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}
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int f6(int x __attribute__((__unused__))) {
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return x; // expected-warning{{'x' was marked unused but was used}}
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}
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