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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [testsuite/] [gcc.dg/] [torture/] [ssa-pta-fn-1.c] - Rev 839
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/* { dg-do run } */ /* { dg-options "-fdump-tree-alias" } */ /* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */ extern void abort (void); int *glob; int dummy; int * __attribute__((noinline,const)) foo_const(int *p) { return p; } int * __attribute__((noinline,pure)) foo_pure(int *p) { return p + dummy; } int * __attribute__((noinline)) foo_normal(int *p) { glob = p; return p; } void test_const(void) { int i; int *p = &i; int *q_const = foo_const(p); *p = 1; *q_const = 2; if (*p != 2) abort (); } void test(void) { int i; int *p = &i; int *q_normal = foo_normal(p); *p = 1; *q_normal = 2; if (*p != 2) abort (); } void test_pure(void) { int i; int *p = &i; int *q_pure = foo_pure(p); *p = 1; *q_pure = 2; if (*p != 2) abort (); } int main() { test_const(); test(); test_pure(); return 0; } /* { dg-final { scan-tree-dump "q_const_., points-to non-local, points-to vars: { i }" "alias" } } */ /* { dg-final { scan-tree-dump "q_pure_., points-to non-local, points-to escaped, points-to vars: { i }" "alias" } } */ /* { dg-final { scan-tree-dump "q_normal_., points-to non-local, points-to escaped, points-to vars: { }" "alias" } } */ /* { dg-final { cleanup-tree-dump "alias" } } */
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