diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr106819.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr106819.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr106819.c b/gcc/testsuite/gcc.dg/tree-ssa/pr106819.c new file mode 100644 index 0000000..1272d4b --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr106819.c @@ -0,0 +1,24 @@ +// { dg-do compile } +// { dg-options "-O2 -fdump-tree-evrp-details" } + +static int isNaN(double x) +{ + return x != x; +} + +static double opCmpProper(int lhs, double rhs) +{ + return lhs < rhs ? -1.0 + : lhs > rhs ? 1.0 + : lhs == rhs ? 0.0 + : __builtin_nan(""); +} + +int main() +{ + if (!isNaN(opCmpProper(41, __builtin_nan("")))) + __builtin_abort(); + return 0; +} + +// { dg-final {scan-tree-dump-not "Folds to: 0.0" "evrp" } } |