Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/ipa/devirt-18.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
children |
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/* We shall devirtualize to unreachable. No anonymous type method should surivve reachability. */ /* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-ssa" } */ namespace { class B { public: virtual int foo(void) { return 0; } }; class A : public B { public: virtual int foo(void) { return 1; } }; } class B *b; int main() { if (0) { class A a; a.foo(); class B b; b.foo(); } return b->foo(); } /* { dg-final { scan-tree-dump-not "A::foo" "ssa"} } */ /* { dg-final { scan-tree-dump-not "B::foo" "ssa"} } */ /* { dg-final { scan-tree-dump "builtin_unreachable" "ssa"} } */