diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr14703.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr14703.C | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr14703.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr14703.C new file mode 100644 index 000000000..58705277e --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr14703.C @@ -0,0 +1,49 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized -fno-ipa-reference" } */ +#include <iostream> + +namespace { +template <unsigned long long L> class fib { + public: + static const unsigned long long value = fib<L - 1>::value + fib<L - 2>::value; +}; + +template <> class fib<0> { + public: + static const unsigned long long value = 1; +}; + +template <> class fib<1> { + public: + static const unsigned long long value = 1; +}; + +template<unsigned long long L> inline unsigned long long fibconst() +{ + return fibconst<L - 1>() + fibconst<L - 2>(); +} + +template <> inline unsigned long long fibconst<0>() +{ + return 1ull; +} + +template <> inline unsigned long long fibconst<1>() +{ + return 1ull; +} + +template <> inline unsigned long long fibconst<2>() +{ + return 2ull; +} + +} + +int main() +{ + ::std::cerr << "fib<90>::value == " << fib<90>::value << "\n"; + ::std::cerr << "fibcst<90>() == " << fibconst<90>() << "\n"; +} +// { dg-final { scan-tree-dump-not "fibconst" "optimized" } } +// { dg-final { cleanup-tree-dump "optimized" } } |