31 lines
1.4 KiB
C
31 lines
1.4 KiB
C
// RUN: %clang_cc1 -triple i386-mingw32 -fms-extensions -fsyntax-only -verify %s
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// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s
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int nonconst(void);
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int isconst(void) __attribute__((const));
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int ispure(int) __attribute__((pure));
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int foo(int *a, int i) {
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#ifdef _MSC_VER
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__assume(i != 4);
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__assume(++i > 2); //expected-warning {{the argument to '__assume' has side effects that will be discarded}}
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__assume(nonconst() > 2); //expected-warning {{the argument to '__assume' has side effects that will be discarded}}
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__assume(isconst() > 2);
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__assume(ispure(i) > 2);
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__assume(ispure(++i) > 2); //expected-warning {{the argument to '__assume' has side effects that will be discarded}}
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int test = sizeof(struct{char qq[(__assume(i != 5), 7)];});
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#else
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__builtin_assume(i != 4);
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__builtin_assume(++i > 2); //expected-warning {{the argument to '__builtin_assume' has side effects that will be discarded}}
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__builtin_assume(nonconst() > 2); //expected-warning {{the argument to '__builtin_assume' has side effects that will be discarded}}
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__builtin_assume(isconst() > 2);
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__builtin_assume(ispure(i) > 2);
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__builtin_assume(ispure(++i) > 2); //expected-warning {{the argument to '__builtin_assume' has side effects that will be discarded}}
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int test = sizeof(struct{char qq[(__builtin_assume(i != 5), 7)];});
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#endif
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return a[i];
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}
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