87 lines
5.7 KiB
C
87 lines
5.7 KiB
C
// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -verify -std=c11 %s
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// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -pedantic -verify=pedantic-expected -std=c11 %s
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// RUN: %clang_cc1 -verify=ref -std=c11 %s
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// RUN: %clang_cc1 -pedantic -verify=pedantic-ref -std=c11 %s
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typedef __INTPTR_TYPE__ intptr_t;
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typedef __PTRDIFF_TYPE__ ptrdiff_t;
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_Static_assert(1, "");
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_Static_assert(0 != 1, "");
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_Static_assert(1.0 == 1.0, ""); // pedantic-ref-warning {{not an integer constant expression}} \
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// pedantic-expected-warning {{not an integer constant expression}}
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_Static_assert(1 && 1.0, ""); // pedantic-ref-warning {{not an integer constant expression}} \
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// pedantic-expected-warning {{not an integer constant expression}}
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_Static_assert( (5 > 4) + (3 > 2) == 2, "");
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_Static_assert(!!1.0, ""); // pedantic-ref-warning {{not an integer constant expression}} \
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// pedantic-expected-warning {{not an integer constant expression}}
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_Static_assert(!!1, "");
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int a = (1 == 1 ? 5 : 3);
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_Static_assert(a == 5, ""); // ref-error {{not an integral constant expression}} \
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// pedantic-ref-error {{not an integral constant expression}} \
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// expected-error {{not an integral constant expression}} \
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// pedantic-expected-error {{not an integral constant expression}}
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const int b = 3;
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_Static_assert(b == 3, ""); // pedantic-ref-warning {{not an integer constant expression}} \
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// pedantic-expected-warning {{not an integer constant expression}}
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/// FIXME: The new interpreter is missing the "initializer of 'c' unknown" diagnostics.
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const int c; // ref-note {{declared here}} \
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// pedantic-ref-note {{declared here}}
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_Static_assert(c == 0, ""); // ref-error {{not an integral constant expression}} \
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// ref-note {{initializer of 'c' is unknown}} \
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// pedantic-ref-error {{not an integral constant expression}} \
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// pedantic-ref-note {{initializer of 'c' is unknown}} \
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// expected-error {{not an integral constant expression}} \
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// pedantic-expected-error {{not an integral constant expression}}
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_Static_assert(&c != 0, ""); // ref-warning {{always true}} \
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// pedantic-ref-warning {{always true}} \
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// pedantic-ref-warning {{is a GNU extension}} \
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// expected-warning {{always true}} \
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// pedantic-expected-warning {{always true}} \
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// pedantic-expected-warning {{is a GNU extension}}
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_Static_assert(&a != 0, ""); // ref-warning {{always true}} \
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// pedantic-ref-warning {{always true}} \
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// pedantic-ref-warning {{is a GNU extension}} \
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// expected-warning {{always true}} \
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// pedantic-expected-warning {{always true}} \
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// pedantic-expected-warning {{is a GNU extension}}
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_Static_assert((&c + 1) != 0, ""); // pedantic-ref-warning {{is a GNU extension}} \
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// pedantic-expected-warning {{is a GNU extension}}
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_Static_assert((&a + 100) != 0, ""); // pedantic-ref-warning {{is a GNU extension}} \
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// pedantic-ref-note {{100 of non-array}} \
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// pedantic-expected-note {{100 of non-array}} \
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// pedantic-expected-warning {{is a GNU extension}}
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_Static_assert((&a - 100) != 0, ""); // pedantic-ref-warning {{is a GNU extension}} \
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// pedantic-expected-warning {{is a GNU extension}} \
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// pedantic-ref-note {{-100 of non-array}} \
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// pedantic-expected-note {{-100 of non-array}}
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/// extern variable of a composite type.
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/// FIXME: The 'cast from void*' note is missing in the new interpreter.
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extern struct Test50S Test50;
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_Static_assert(&Test50 != (void*)0, ""); // ref-warning {{always true}} \
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// pedantic-ref-warning {{always true}} \
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// pedantic-ref-warning {{is a GNU extension}} \
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// pedantic-ref-note {{cast from 'void *' is not allowed}} \
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// expected-warning {{always true}} \
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// pedantic-expected-warning {{always true}} \
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// pedantic-expected-warning {{is a GNU extension}}
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struct y {int x,y;};
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int a2[(intptr_t)&((struct y*)0)->y]; // expected-warning {{folded to constant array}} \
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// pedantic-expected-warning {{folded to constant array}} \
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// ref-warning {{folded to constant array}} \
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// pedantic-ref-warning {{folded to constant array}}
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const struct y *yy = (struct y*)0;
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const intptr_t L = (intptr_t)(&(yy->y)); // expected-error {{not a compile-time constant}} \
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// pedantic-expected-error {{not a compile-time constant}} \
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// ref-error {{not a compile-time constant}} \
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// pedantic-ref-error {{not a compile-time constant}}
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const ptrdiff_t m = &m + 137 - &m;
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_Static_assert(m == 137, ""); // pedantic-ref-warning {{GNU extension}} \
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// pedantic-expected-warning {{GNU extension}}
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