diff options
| author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2018-01-25 08:49:33 +0000 |
|---|---|---|
| committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2018-01-25 08:49:33 +0000 |
| commit | 8bbc33baa40010c8f5ca1af9b8bfffd67ae654ad (patch) | |
| tree | c5e2748190eff9453ae08b9117c4c546c48cc539 /gcc/testsuite/gcc.dg/fold-even-1.c | |
| parent | 03ac50856c9fc8c96b7a17239ee40a10397750a7 (diff) | |
| download | gcc-tarball-8bbc33baa40010c8f5ca1af9b8bfffd67ae654ad.tar.gz | |
Diffstat (limited to 'gcc/testsuite/gcc.dg/fold-even-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/fold-even-1.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fold-even-1.c b/gcc/testsuite/gcc.dg/fold-even-1.c new file mode 100644 index 0000000000..94711ab149 --- /dev/null +++ b/gcc/testsuite/gcc.dg/fold-even-1.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-original" } */ +int test1(int a) +{ + return !(a & 1); +} + +int test2(int b) +{ + return (b & 1) == 0; +} + +int test3(int c) +{ + return (c & 1) ^ 1; +} + +int test4(int d) +{ + return (d ^ 1) & 1; +} + +int test5(int e) +{ + return ~e & 1; +} + +/* { dg-final { scan-tree-dump-times "\\(a \& 1\\) == 0" 1 "original" } } */ +/* { dg-final { scan-tree-dump-times "\\(b \& 1\\) == 0" 1 "original" } } */ +/* { dg-final { scan-tree-dump-times "\\(c \& 1\\) == 0" 1 "original" } } */ +/* { dg-final { scan-tree-dump-times "\\(d \& 1\\) == 0" 1 "original" } } */ +/* { dg-final { scan-tree-dump-times "\\(e \& 1\\) == 0" 1 "original" } } */ |