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* [gcc r13-4489] tree-optimization/107956 - ICE with NULL call LHS
@ 2022-12-05  8:12 Richard Biener
  0 siblings, 0 replies; only message in thread
From: Richard Biener @ 2022-12-05  8:12 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:5c11d748564c7ce3b096e87ad350fcddd493e45e

commit r13-4489-g5c11d748564c7ce3b096e87ad350fcddd493e45e
Author: Andrew Pinski <pinskia@gmail.com>
Date:   Mon Dec 5 09:09:52 2022 +0100

    tree-optimization/107956 - ICE with NULL call LHS
    
    The following adds a missing check for a NULL call LHS in the
    vector pattern recognizer.
    
            PR tree-optimization/107956
            * tree-vect-patterns.cc (vect_recog_mask_conversion_pattern):
            Check for NULL LHS on masked loads.

Diff:
---
 gcc/tree-vect-patterns.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc
index f6c34bb3263..d9fdb24ee62 100644
--- a/gcc/tree-vect-patterns.cc
+++ b/gcc/tree-vect-patterns.cc
@@ -4964,6 +4964,8 @@ vect_recog_mask_conversion_pattern (vec_info *vinfo,
       else
 	{
 	  lhs = gimple_call_lhs (last_stmt);
+	  if (!lhs)
+	    return NULL;
 	  vectype1 = get_vectype_for_scalar_type (vinfo, TREE_TYPE (lhs));
 	}

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