diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-46.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-46.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-46.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-46.c new file mode 100644 index 00000000000..b97d6f87fab --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-46.c @@ -0,0 +1,19 @@ +/* APPLE LOCAL file lno */ +/* { dg-do compile } */ +/* { dg-options "-O1 -floop-test -fdump-tree-lptest-details" } */ + +int +foo (int i, + int precision) +{ + i = precision - i - 1; + + /* At this point the analyzer is confused by the initialisation of "i". + It keeps the initial condition under a symbolic form: "i_1". */ + + while (--i); +} + +/* i -> {i_1, +, -1}_1 */ + +/* FIXME. */ |