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* [gcc(refs/users/aoliva/heads/testme)] ssa-loop-niter: skip caching of null operands
@ 2022-12-23  5:27 Alexandre Oliva
  0 siblings, 0 replies; 4+ messages in thread
From: Alexandre Oliva @ 2022-12-23  5:27 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:e4f1923faff9f88fa62df2baa500a5b6f4ca53c7

commit e4f1923faff9f88fa62df2baa500a5b6f4ca53c7
Author: Alexandre Oliva <oliva@gnu.org>
Date:   Thu Dec 22 21:28:52 2022 -0300

    ssa-loop-niter: skip caching of null operands

Diff:
---
 gcc/tree-ssa-loop-niter.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/tree-ssa-loop-niter.cc b/gcc/tree-ssa-loop-niter.cc
index fece876099c..17645648326 100644
--- a/gcc/tree-ssa-loop-niter.cc
+++ b/gcc/tree-ssa-loop-niter.cc
@@ -2325,6 +2325,8 @@ expand_simple_operations (tree expr, tree stop, hash_map<tree, tree> &cache)
       for (i = 0; i < n; i++)
 	{
 	  e = TREE_OPERAND (expr, i);
+	  if (!e)
+	    continue;
 	  /* SCEV analysis feeds us with a proper expression
 	     graph matching the SSA graph.  Avoid turning it
 	     into a tree here, thus handle tree sharing

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [gcc(refs/users/aoliva/heads/testme)] ssa-loop-niter: skip caching of null operands
@ 2022-12-28  5:23 Alexandre Oliva
  0 siblings, 0 replies; 4+ messages in thread
From: Alexandre Oliva @ 2022-12-28  5:23 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:ab80e53a5b1f989514ba04e389f2a7498b13a595

commit ab80e53a5b1f989514ba04e389f2a7498b13a595
Author: Alexandre Oliva <oliva@adacore.com>
Date:   Wed Dec 28 02:21:34 2022 -0300

    ssa-loop-niter: skip caching of null operands
    
    When a TREE_OPERAND is NULL, do not cache it.
    
    
    for  gcc/ChangeLog
    
            * tree-ssa-loop-niter.cc (expand_simple_operands): Refrain
            from caching NULL TREE_OPERANDs.

Diff:
---
 gcc/tree-ssa-loop-niter.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/tree-ssa-loop-niter.cc b/gcc/tree-ssa-loop-niter.cc
index fece876099c..17645648326 100644
--- a/gcc/tree-ssa-loop-niter.cc
+++ b/gcc/tree-ssa-loop-niter.cc
@@ -2325,6 +2325,8 @@ expand_simple_operations (tree expr, tree stop, hash_map<tree, tree> &cache)
       for (i = 0; i < n; i++)
 	{
 	  e = TREE_OPERAND (expr, i);
+	  if (!e)
+	    continue;
 	  /* SCEV analysis feeds us with a proper expression
 	     graph matching the SSA graph.  Avoid turning it
 	     into a tree here, thus handle tree sharing

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [gcc(refs/users/aoliva/heads/testme)] ssa-loop-niter: skip caching of null operands
@ 2022-12-23  7:31 Alexandre Oliva
  0 siblings, 0 replies; 4+ messages in thread
From: Alexandre Oliva @ 2022-12-23  7:31 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:2c28594c0fb2a9cf1abff7d279aa1d40bbf3c006

commit 2c28594c0fb2a9cf1abff7d279aa1d40bbf3c006
Author: Alexandre Oliva <oliva@gnu.org>
Date:   Thu Dec 22 21:28:52 2022 -0300

    ssa-loop-niter: skip caching of null operands

Diff:
---
 gcc/tree-ssa-loop-niter.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/tree-ssa-loop-niter.cc b/gcc/tree-ssa-loop-niter.cc
index fece876099c..17645648326 100644
--- a/gcc/tree-ssa-loop-niter.cc
+++ b/gcc/tree-ssa-loop-niter.cc
@@ -2325,6 +2325,8 @@ expand_simple_operations (tree expr, tree stop, hash_map<tree, tree> &cache)
       for (i = 0; i < n; i++)
 	{
 	  e = TREE_OPERAND (expr, i);
+	  if (!e)
+	    continue;
 	  /* SCEV analysis feeds us with a proper expression
 	     graph matching the SSA graph.  Avoid turning it
 	     into a tree here, thus handle tree sharing

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [gcc(refs/users/aoliva/heads/testme)] ssa-loop-niter: skip caching of null operands
@ 2022-12-23  0:58 Alexandre Oliva
  0 siblings, 0 replies; 4+ messages in thread
From: Alexandre Oliva @ 2022-12-23  0:58 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:ec1ebb00d52fc27b0217a86c391ec84716a5488a

commit ec1ebb00d52fc27b0217a86c391ec84716a5488a
Author: Alexandre Oliva <oliva@gnu.org>
Date:   Thu Dec 22 21:28:52 2022 -0300

    ssa-loop-niter: skip caching of null operands

Diff:
---
 gcc/tree-ssa-loop-niter.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/tree-ssa-loop-niter.cc b/gcc/tree-ssa-loop-niter.cc
index fece876099c..17645648326 100644
--- a/gcc/tree-ssa-loop-niter.cc
+++ b/gcc/tree-ssa-loop-niter.cc
@@ -2325,6 +2325,8 @@ expand_simple_operations (tree expr, tree stop, hash_map<tree, tree> &cache)
       for (i = 0; i < n; i++)
 	{
 	  e = TREE_OPERAND (expr, i);
+	  if (!e)
+	    continue;
 	  /* SCEV analysis feeds us with a proper expression
 	     graph matching the SSA graph.  Avoid turning it
 	     into a tree here, thus handle tree sharing

^ permalink raw reply	[flat|nested] 4+ messages in thread

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