diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/max-bitcmp-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/max-bitcmp-1.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/max-bitcmp-1.c b/gcc/testsuite/gcc.dg/tree-ssa/max-bitcmp-1.c new file mode 100644 index 0000000..81b5a27 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/max-bitcmp-1.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-forwprop -fdump-tree-optimized" } */ + +/* PR tree-optimization/95906 */ +/* this should become MAX_EXPR<a,b> */ + +int f2(int a, int b) +{ + int cmp = -(a > b); + return (cmp & a) | (~cmp & b); +} + +/* we should not end up with -_2 */ +/* we should not end up and & nor a `+ -1` */ +/* In optimized we should have a max. */ +/* { dg-final { scan-tree-dump-not " -\[a-zA-Z_\]" "forwprop1" } } */ +/* { dg-final { scan-tree-dump-not " & " "forwprop1" } } */ +/* { dg-final { scan-tree-dump-not " . -1" "forwprop1" } } */ +/* { dg-final { scan-tree-dump-times "MAX_EXPR " 1 "optimized" } } */ |