diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr20702.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr20702.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr20702.c b/gcc/testsuite/gcc.dg/tree-ssa/pr20702.c new file mode 100644 index 000000000..ce62fa3f0 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr20702.c @@ -0,0 +1,31 @@ +/* PR tree-optimization/20702 + VRP did not insert ASSERT_EXPRs into dominator dominator children + of a basic block ending with COND_EXPR unless the children are also + immediate successors of the basic block. */ + +/* { dg-do compile } */ +/* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-vrp1-details" } */ + +extern void bar (int); + +int +foo (int *p, int b) +{ + int a; + + if (b) + bar (123); + else + bar (321); + + a = *p; + if (p == 0) + return 0; + + return a; +} + +/* Target with fno-delete-null-pointer-checks should not fold checks */ +/* { dg-final { scan-tree-dump-times "Folding predicate" 1 "vrp1" { target { ! keeps_null_pointer_checks } } } } */ +/* { dg-final { scan-tree-dump-times "Folding predicate" 0 "vrp1" { target { keeps_null_pointer_checks } } } } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ |