/* Another test case for over-eager multiple include optimization,
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/* Another test case for over-eager multiple include optimization,
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where the leading "#if !defined" expression is obtained partially,
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where the leading "#if !defined" expression is obtained partially,
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or wholly, from macros. Neil Booth, 30 Sep 2001. */
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or wholly, from macros. Neil Booth, 30 Sep 2001. */
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/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "" } */
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/* { dg-options "" } */
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extern void abort (void);
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extern void abort (void);
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/* Each include file should not be subject to MI optimisation, since
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/* Each include file should not be subject to MI optimisation, since
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macro definitions can change. Each header increments the variable
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macro definitions can change. Each header increments the variable
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VAR if it is defined.
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VAR if it is defined.
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The first set of inclusions gets the headers into CPP's cache, but
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The first set of inclusions gets the headers into CPP's cache, but
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does nothing since VAR is not defined. The second set should each
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does nothing since VAR is not defined. The second set should each
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increment VAR, since none of the initial set should have been
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increment VAR, since none of the initial set should have been
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flagged as optimizable. */
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flagged as optimizable. */
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#define EMPTYL
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#define EMPTYL
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#define EMPTYR
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#define EMPTYR
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#define NOT !
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#define NOT !
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#define DEFINED defined (guard)
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#define DEFINED defined (guard)
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#define NOT_DEFINED ! defined (guard)
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#define NOT_DEFINED ! defined (guard)
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#include "mi6a.h"
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#include "mi6a.h"
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#include "mi6b.h"
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#include "mi6b.h"
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#include "mi6c.h"
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#include "mi6c.h"
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#include "mi6d.h"
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#include "mi6d.h"
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#include "mi6e.h"
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#include "mi6e.h"
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/* Define the macro guard, and redefine the macros to something that
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/* Define the macro guard, and redefine the macros to something that
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forces compilation of the conditional blocks. */
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forces compilation of the conditional blocks. */
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#define guard
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#define guard
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#undef EMPTYL
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#undef EMPTYL
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#define EMPTYL 1 ||
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#define EMPTYL 1 ||
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#undef EMPTYR
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#undef EMPTYR
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#define EMPTYR || 1
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#define EMPTYR || 1
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#undef NOT
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#undef NOT
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#define NOT
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#define NOT
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#undef DEFINED
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#undef DEFINED
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#define DEFINED 0
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#define DEFINED 0
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#undef NOT_DEFINED
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#undef NOT_DEFINED
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#define NOT_DEFINED 1
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#define NOT_DEFINED 1
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#define VAR five
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#define VAR five
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int
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int
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main(void)
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main(void)
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{
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{
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unsigned int five = 0;
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unsigned int five = 0;
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#include "mi6a.h"
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#include "mi6a.h"
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#include "mi6b.h"
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#include "mi6b.h"
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#include "mi6c.h"
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#include "mi6c.h"
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#include "mi6d.h"
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#include "mi6d.h"
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#include "mi6e.h"
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#include "mi6e.h"
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if (five != 5)
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if (five != 5)
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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