Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/ipa/devirt-c-5.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* Verify that ipa-cp correctly detects the dynamic type of an object under construction when doing devirtualization. */ /* { dg-do run } */ /* { dg-options "-O3 -fno-early-inlining -fno-inline" } */ extern "C" void abort (void); class B; class A { public: int data; A(); A(B *b); virtual int foo (int i); }; class B : public A { public: virtual int foo (int i); }; class C : public A { public: virtual int foo (int i); }; int A::foo (int i) { return i + 1; } int B::foo (int i) { return i + 2; } int C::foo (int i) { return i + 3; } static int middleman (class A *obj, int i) { return obj->foo (i); } int __attribute__ ((noinline,noclone)) get_input(void) { return 1; } A::A () { } A::A (B *b) { if (middleman (b, get_input ()) != 3) abort (); } static void bah () { B b; A a(&b); } int main (int argc, char *argv[]) { int i; for (i = 0; i < 10; i++) bah (); return 0; }