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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [ipa/] [devirt-4.C] - Blame information for rev 801

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Line No. Rev Author Line
1 693 jeremybenn
/* Verify that ipa-co can convert virtual calls to direct ones even
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   when a typecast to an ancestor is involved along the way.  */
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/* { dg-do run } */
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/* { dg-options "-O3 -fno-early-inlining -fno-inline -fdump-ipa-cp -fdump-tree-optimized"  } */
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extern "C" void abort (void);
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class A
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{
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public:
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  int data;
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  virtual int foo (int i);
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};
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class B : public A
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{
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public:
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  virtual int foo (int i);
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};
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class C : public A
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{
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public:
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  virtual int foo (int i);
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};
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int A::foo (int i)
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{
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  return i + 1;
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}
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int B::foo (int i)
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{
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  return i + 2;
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}
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int C::foo (int i)
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{
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  return i + 3;
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}
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int __attribute__ ((noinline,noclone)) get_input(void)
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{
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  return 1;
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}
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static int middleman_1 (class A *obj, int i)
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{
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  return obj->foo (i);
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}
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static int middleman_2 (class B *obj, int i)
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{
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  return middleman_1 (obj, i);
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}
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int main (int argc, char *argv[])
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{
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  class B b;
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  if (middleman_2 (&b, get_input ()) != 3)
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    abort ();
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  return 0;
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}
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/* { dg-final { scan-ipa-dump "Discovered a virtual call to a known target.*B::foo"  "cp"  } } */
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/* { dg-final { scan-tree-dump-times "OBJ_TYPE_REF" 0 "optimized"} } */
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/* { dg-final { cleanup-ipa-dump "cp" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */

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