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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [alias-20.c] - Blame information for rev 437

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Line No. Rev Author Line
1 298 jeremybenn 
/* { dg-do compile } */
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/* { dg-options "-O -fstrict-aliasing -fdump-tree-optimized" } */
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struct S { float f; int i; };
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struct R { int x; int i; };
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/* Strict-aliasing rules say that int and float do not alias.  */
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int bar(struct S *s, int *i)
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{
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  *i = 0;
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  s->f = 1.0;
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  return *i;
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}
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/* Strict-aliasing rules say that S and R do not alias.  */
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int foo(struct S *s, struct R *r)
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{
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  r->i = 0;
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  s->i = 1;
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  return r->i;
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}
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/* { dg-final { scan-tree-dump-times "return 0;" 2 "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */

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