diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr20470.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr20470.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c b/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c new file mode 100644 index 000000000..b0d7492de --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-fdump-tree-gimple" } */ + +/* PR tree-optimization/20470: + Missing fold to abs(x) when x == MINUS_EXPR. */ +#define abs(x) ((x) >= 0 ? (x) : -(x)) + +int i,j,k; +void f1() +{ + i = abs(j-k); +} + +/* { dg-final { scan-tree-dump-times "ABS_EXPR" 1 "gimple" } } */ +/* { dg-final { cleanup-tree-dump "gimple" } } */ |