diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-16.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-16.C | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-16.C b/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-16.C new file mode 100644 index 0000000..8556786 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-16.C @@ -0,0 +1,39 @@ +/* We shall devirtualize to unreachable. No anonymous type method should surivve + reachability. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-ipa-whole-program" } */ +namespace { +class B { +public: + virtual int foo(void) +{ + return 0; +} +}; +class A : public B { +public: + virtual int foo(void) +{ + return 1; +} +}; +} +class B *b; +main() +{ + int c; + if (c) + { + class A a; + a.foo(); + class B b; + b.foo(); + } + return b->foo(); +} + +/* { dg-final { scan-ipa-dump "Devirtualizing" "whole-program"} } */ +/* { dg-final { scan-ipa-dump "builtin_unreachable" "whole-program"} } */ +/* { dg-final { scan-ipa-dump-not "A::foo" "whole-program"} } */ +/* { dg-final { scan-ipa-dump-not "A::foo" "whole-program"} } */ +/* { dg-final { cleanup-ipa-dump "whole-program" } } */ |