diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/fold-convround-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/fold-convround-1.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fold-convround-1.c b/gcc/testsuite/gcc.dg/fold-convround-1.c new file mode 100644 index 00000000000..86612aa81b3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/fold-convround-1.c @@ -0,0 +1,30 @@ +/* PR middle-end/28473. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-original" } */ + +extern double round(double); +extern double floor(double); +extern double ceil(double); + +unsigned long long test1(double x) +{ + return (unsigned long long) round(x); +} + +unsigned long long test2(double x) +{ + return (unsigned long long) floor(x); +} +unsigned long long test3(double x) +{ + return (unsigned long long) ceil(x); +} + +/* { dg-final { scan-tree-dump-times "__builtin_lround" 0 "original" } } */ +/* { dg-final { scan-tree-dump-times "__builtin_llround" 0 "original" } } */ +/* { dg-final { scan-tree-dump-times "__builtin_lfloor" 0 "original" } } */ +/* { dg-final { scan-tree-dump-times "__builtin_llfloor" 0 "original" } } */ +/* { dg-final { scan-tree-dump-times "__builtin_lceil" 0 "original" } } */ +/* { dg-final { scan-tree-dump-times "__builtin_llceil" 0 "original" } } */ +/* { dg-final { cleanup-tree-dump "original" } } */ + |