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* [gcc(refs/users/pheeck/heads/sccp)] updating OCCURS_IN_ABNORMAL_PHI
@ 2022-09-07 12:59 Filip Kastl
0 siblings, 0 replies; 2+ messages in thread
From: Filip Kastl @ 2022-09-07 12:59 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:4f05f070963fb2e48f3e1f6c708a9e87a775d313
commit 4f05f070963fb2e48f3e1f6c708a9e87a775d313
Author: Filip Kastl <filip.kastl@gmail.com>
Date: Wed Sep 7 14:59:06 2022 +0200
updating OCCURS_IN_ABNORMAL_PHI
Diff:
---
gcc/sccp.cc | 28 +++++++++++++++++++---------
1 file changed, 19 insertions(+), 9 deletions(-)
diff --git a/gcc/sccp.cc b/gcc/sccp.cc
index fd7f01db6b3..86f84b56878 100644
--- a/gcc/sccp.cc
+++ b/gcc/sccp.cc
@@ -295,23 +295,26 @@ tarjan_compute_sccs (auto_vec<gphi *> &phis)
}
static void
-replace_scc_by_value (vec<gphi *> scc, tree v)
+replace_scc_by_value (vec<gphi *> scc, tree replace_by)
{
// DEBUG
+ /*
if (scc.length () >= 3)
{
std::cerr << "Replacing scc of size " << scc.length () << std::endl;
}
+ */
for (gphi *phi : scc)
{
- tree ssa_name = gimple_get_lhs (phi);
+ tree get_replaced = gimple_get_lhs (phi);
// DEBUG
- unsigned vnum_get_replaced = SSA_NAME_VERSION (ssa_name);
- if (TREE_CODE (v) == SSA_NAME)
+ /*
+ unsigned vnum_get_replaced = SSA_NAME_VERSION (get_replaced);
+ if (TREE_CODE (replace_by) == SSA_NAME)
{
- unsigned vnum_replaced_by = SSA_NAME_VERSION (v);
+ unsigned vnum_replaced_by = SSA_NAME_VERSION (replace_by);
std::cerr << "Replacing " << vnum_get_replaced << " by " <<
vnum_replaced_by << std::endl;
}
@@ -320,15 +323,20 @@ replace_scc_by_value (vec<gphi *> scc, tree v)
std::cerr << "Replacing " << vnum_get_replaced << " by something"
<< " that isn't an SSA name" << std::endl;
}
+ */
+
+ if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (get_replaced)
+ && TREE_CODE (replace_by) == SSA_NAME)
+ SSA_NAME_OCCURS_IN_ABNORMAL_PHI (replace_by) = 1;
- /* Replace each occurence of phi by value v. */
+ /* Replace each occurence of PHI by value replace_by. */
use_operand_p use_p;
imm_use_iterator iter;
gimple *use_stmt;
- FOR_EACH_IMM_USE_STMT (use_stmt, iter, ssa_name)
+ FOR_EACH_IMM_USE_STMT (use_stmt, iter, get_replaced)
{
FOR_EACH_IMM_USE_ON_STMT (use_p, iter)
- SET_USE (use_p, v);
+ SET_USE (use_p, replace_by);
update_stmt (use_stmt);
}
}
@@ -353,8 +361,10 @@ remove_zero_uses_phis ()
remove_phi_node (&pi, true);
// DEBUG
+ /*
unsigned version = SSA_NAME_VERSION (ssa_name);
std::cerr << "Removed " << version << std::endl;
+ */
}
else
gsi_next (&pi);
@@ -480,7 +490,7 @@ public:
unsigned
pass_sccp::execute (function *)
{
- debug_phis (); // DEBUG
+ //debug_phis (); // DEBUG
init_sccp ();
auto_vec<gphi *> phis = get_all_phis ();
^ permalink raw reply [flat|nested] 2+ messages in thread
* [gcc(refs/users/pheeck/heads/sccp)] updating OCCURS_IN_ABNORMAL_PHI
@ 2023-02-15 10:14 Filip Kastl
0 siblings, 0 replies; 2+ messages in thread
From: Filip Kastl @ 2023-02-15 10:14 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:8b2b361630a4a3053ee90210e63bf41c3ff27a0e
commit 8b2b361630a4a3053ee90210e63bf41c3ff27a0e
Author: Filip Kastl <filip.kastl@gmail.com>
Date: Wed Sep 7 14:59:06 2022 +0200
updating OCCURS_IN_ABNORMAL_PHI
Diff:
---
gcc/sccp.cc | 28 +++++++++++++++++++---------
1 file changed, 19 insertions(+), 9 deletions(-)
diff --git a/gcc/sccp.cc b/gcc/sccp.cc
index fd7f01db6b3..86f84b56878 100644
--- a/gcc/sccp.cc
+++ b/gcc/sccp.cc
@@ -295,23 +295,26 @@ tarjan_compute_sccs (auto_vec<gphi *> &phis)
}
static void
-replace_scc_by_value (vec<gphi *> scc, tree v)
+replace_scc_by_value (vec<gphi *> scc, tree replace_by)
{
// DEBUG
+ /*
if (scc.length () >= 3)
{
std::cerr << "Replacing scc of size " << scc.length () << std::endl;
}
+ */
for (gphi *phi : scc)
{
- tree ssa_name = gimple_get_lhs (phi);
+ tree get_replaced = gimple_get_lhs (phi);
// DEBUG
- unsigned vnum_get_replaced = SSA_NAME_VERSION (ssa_name);
- if (TREE_CODE (v) == SSA_NAME)
+ /*
+ unsigned vnum_get_replaced = SSA_NAME_VERSION (get_replaced);
+ if (TREE_CODE (replace_by) == SSA_NAME)
{
- unsigned vnum_replaced_by = SSA_NAME_VERSION (v);
+ unsigned vnum_replaced_by = SSA_NAME_VERSION (replace_by);
std::cerr << "Replacing " << vnum_get_replaced << " by " <<
vnum_replaced_by << std::endl;
}
@@ -320,15 +323,20 @@ replace_scc_by_value (vec<gphi *> scc, tree v)
std::cerr << "Replacing " << vnum_get_replaced << " by something"
<< " that isn't an SSA name" << std::endl;
}
+ */
+
+ if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (get_replaced)
+ && TREE_CODE (replace_by) == SSA_NAME)
+ SSA_NAME_OCCURS_IN_ABNORMAL_PHI (replace_by) = 1;
- /* Replace each occurence of phi by value v. */
+ /* Replace each occurence of PHI by value replace_by. */
use_operand_p use_p;
imm_use_iterator iter;
gimple *use_stmt;
- FOR_EACH_IMM_USE_STMT (use_stmt, iter, ssa_name)
+ FOR_EACH_IMM_USE_STMT (use_stmt, iter, get_replaced)
{
FOR_EACH_IMM_USE_ON_STMT (use_p, iter)
- SET_USE (use_p, v);
+ SET_USE (use_p, replace_by);
update_stmt (use_stmt);
}
}
@@ -353,8 +361,10 @@ remove_zero_uses_phis ()
remove_phi_node (&pi, true);
// DEBUG
+ /*
unsigned version = SSA_NAME_VERSION (ssa_name);
std::cerr << "Removed " << version << std::endl;
+ */
}
else
gsi_next (&pi);
@@ -480,7 +490,7 @@ public:
unsigned
pass_sccp::execute (function *)
{
- debug_phis (); // DEBUG
+ //debug_phis (); // DEBUG
init_sccp ();
auto_vec<gphi *> phis = get_all_phis ();
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-09-07 12:59 [gcc(refs/users/pheeck/heads/sccp)] updating OCCURS_IN_ABNORMAL_PHI Filip Kastl
2023-02-15 10:14 Filip Kastl
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