diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-25.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-25.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-25.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-25.c new file mode 100644 index 00000000000..5c535707cca --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-25.c @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */ + + +int bar (void); + +int foo () +{ + int c = 7; + + /* This exercises the initial condition propagator: + Interval Copy Constant Propagation (ICCP). */ + if (bar ()) + c = 2; + else + c += 3; + + while (c) + { + c += 5; + } +} + +/* + c -> {[2, 10], +, 5}_1 +*/ + +/* FIXME. */ |