diff options
| -rw-r--r-- | gcc/params.opt | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr68217.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c | 42 |
3 files changed, 44 insertions, 2 deletions
diff --git a/gcc/params.opt b/gcc/params.opt index 3001566..a34fee1 100644 --- a/gcc/params.opt +++ b/gcc/params.opt @@ -1166,7 +1166,7 @@ Common Joined UInteger Var(param_vect_induction_float) Init(1) IntegerRage(0, 1) Enable loop vectorization of floating point inductions. -param=vrp1-mode= -Common Joined Var(param_vrp1_mode) Enum(vrp_mode) Init(VRP_MODE_VRP) Param Optimization +Common Joined Var(param_vrp1_mode) Enum(vrp_mode) Init(VRP_MODE_RANGER) Param Optimization --param=vrp1-mode=[vrp|ranger] Specifies the mode VRP1 should operate in. -param=vrp2-mode= diff --git a/gcc/testsuite/gcc.dg/pr68217.c b/gcc/testsuite/gcc.dg/pr68217.c index eb4f15e..60c8010 100644 --- a/gcc/testsuite/gcc.dg/pr68217.c +++ b/gcc/testsuite/gcc.dg/pr68217.c @@ -10,4 +10,4 @@ int foo (void) return 0; } -/* { dg-final { scan-tree-dump "\\\[-INF, 0\\\]" "vrp1" } } */ +/* { dg-final { scan-tree-dump "\\\[-INF, -INF\\\]\\\[0, 0\\\]" "vrp1" } } */ diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c new file mode 100644 index 0000000..cdc5740 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c @@ -0,0 +1,42 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-vrp1-alias -fdump-tree-vrp2-alias" } */ + +void dead (unsigned n); +void alive (unsigned n); + +void func (unsigned n, unsigned m) +{ + if (n == 0) + __builtin_unreachable(); + if (n == 1) + __builtin_unreachable(); + if (n & 0x1) + __builtin_unreachable(); + if (n == 2) + __builtin_unreachable(); + if (n == 3) + __builtin_unreachable(); + if (n & 0x2) + __builtin_unreachable(); + if (n == 4) + __builtin_unreachable(); + if (n == 5) + __builtin_unreachable(); + if (n & 0x4) + __builtin_unreachable(); + if (n == 6) + __builtin_unreachable(); + if (n == 7) + __builtin_unreachable(); + if (n <8) + dead (n); + if (n != m) + __builtin_unreachable(); + alive (n); + alive (m); +} + +/* { dg-final { scan-tree-dump-not "dead" "vrp1" } } */ +/* { dg-final { scan-tree-dump-times "builtin_unreachable" 1 "vrp1" } } */ +/* { dg-final { scan-tree-dump-not "builtin_unreachable" "vrp2" } } */ +/* { dg-final { scan-tree-dump-times "fff8" 4 "vrp2" } } */ |