Re: [PATCH] SSA ALIAS: Apply LEN_MASK_{LOAD, STORE} into SSA alias analysis

[Jeff Law via Gcc-patches]

On 6/23/23 07:56, juzhe.zh...@rivai.ai wrote:
From: Ju-Zhe Zhong <juzhe.zh...@rivai.ai>

gcc/ChangeLog:

         * tree-ssa-alias.cc (ref_maybe_used_by_call_p_1): Apply 
LEN_MASK_{LOAD,STORE}

---
  gcc/tree-ssa-alias.cc | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/gcc/tree-ssa-alias.cc b/gcc/tree-ssa-alias.cc
index e1bc04b82ba..92dc1bb9987 100644
--- a/gcc/tree-ssa-alias.cc
+++ b/gcc/tree-ssa-alias.cc
@@ -2815,11 +2815,13 @@ ref_maybe_used_by_call_p_1 (gcall *call, ao_ref *ref, 
bool tbaa_p)
        case IFN_SCATTER_STORE:
        case IFN_MASK_SCATTER_STORE:
        case IFN_LEN_STORE:
+      case IFN_LEN_MASK_STORE:
        return false;
        case IFN_MASK_STORE_LANES:
        goto process_args;
        case IFN_MASK_LOAD:
        case IFN_LEN_LOAD:
+      case IFN_LEN_MASK_LOAD:
        case IFN_MASK_LOAD_LANES:
        {
          ao_ref rhs_ref;
Don't you need to adjust how you compute the size for the LEN_MASK_LOAD 
case?

jeff