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* [gcc(refs/users/pheeck/heads/sccp)] add check for operands that aren't SSA names
@ 2022-09-02 11:26 Filip Kastl
0 siblings, 0 replies; 2+ messages in thread
From: Filip Kastl @ 2022-09-02 11:26 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:d971e7347969e6ad1956fac4fafc5dc59ecdd4e4
commit d971e7347969e6ad1956fac4fafc5dc59ecdd4e4
Author: Filip Kastl <filip.kastl@gmail.com>
Date: Fri Sep 2 13:25:56 2022 +0200
add check for operands that aren't SSA names
Diff:
---
gcc/sccp.cc | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/gcc/sccp.cc b/gcc/sccp.cc
index 529307dbe27..8b57e3a4a3c 100644
--- a/gcc/sccp.cc
+++ b/gcc/sccp.cc
@@ -217,8 +217,11 @@ tarjan_compute_sccs (vec<gphi *> phis)
unsigned j;
for (j = 0; j < gimple_phi_num_args (phi); j++)
{
- tree op_ssa = gimple_phi_arg_def (phi, j);
- gimple *op_stmt = SSA_NAME_DEF_STMT (op_ssa);
+ tree op_var = gimple_phi_arg_def (phi, j);
+ if (TREE_CODE (op_var) != SSA_NAME)
+ continue; /* Skip arguments that aren't SSA names. */
+
+ gimple *op_stmt = SSA_NAME_DEF_STMT (op_var);
/* Skip any operand that isn't a vertex we're using. */
if (!tarjan_is_using (op_stmt))
@@ -254,9 +257,12 @@ tarjan_compute_sccs (vec<gphi *> phis)
unsigned j;
for (j = 0; j < gimple_phi_num_args (phi); j++)
{
- tree op_ssa = gimple_phi_arg_def (phi, j); // TODO Same code
+ tree op_var = gimple_phi_arg_def (phi, j); // TODO Same code
// twice (iterator?)
- gimple *op_stmt = SSA_NAME_DEF_STMT (op_ssa);
+ if (TREE_CODE (op_var) != SSA_NAME)
+ continue; /* Skip arguments that aren't SSA names. */
+
+ gimple *op_stmt = SSA_NAME_DEF_STMT (op_var);
/* Skip any operand that isn't a vertex we're using. */
if (!tarjan_is_using (op_stmt))
@@ -342,6 +348,9 @@ process_scc (vec<gphi *> scc)
for (i = 0; i < gimple_phi_num_args (phi); i++)
{
tree op = gimple_phi_arg_def (phi, i);
+ if (TREE_CODE (op) != SSA_NAME)
+ continue; /* Skip arguments that aren't SSA names. */
+
gimple *op_stmt = SSA_NAME_DEF_STMT (op);
// Check if operand is a phi from scc (TODO Efficiency)
^ permalink raw reply [flat|nested] 2+ messages in thread
* [gcc(refs/users/pheeck/heads/sccp)] add check for operands that aren't SSA names
@ 2023-02-15 10:13 Filip Kastl
0 siblings, 0 replies; 2+ messages in thread
From: Filip Kastl @ 2023-02-15 10:13 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:0d47194f8a5735a457a78830935d266353dfa1fe
commit 0d47194f8a5735a457a78830935d266353dfa1fe
Author: Filip Kastl <filip.kastl@gmail.com>
Date: Fri Sep 2 13:25:56 2022 +0200
add check for operands that aren't SSA names
Diff:
---
gcc/sccp.cc | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/gcc/sccp.cc b/gcc/sccp.cc
index 529307dbe27..8b57e3a4a3c 100644
--- a/gcc/sccp.cc
+++ b/gcc/sccp.cc
@@ -217,8 +217,11 @@ tarjan_compute_sccs (vec<gphi *> phis)
unsigned j;
for (j = 0; j < gimple_phi_num_args (phi); j++)
{
- tree op_ssa = gimple_phi_arg_def (phi, j);
- gimple *op_stmt = SSA_NAME_DEF_STMT (op_ssa);
+ tree op_var = gimple_phi_arg_def (phi, j);
+ if (TREE_CODE (op_var) != SSA_NAME)
+ continue; /* Skip arguments that aren't SSA names. */
+
+ gimple *op_stmt = SSA_NAME_DEF_STMT (op_var);
/* Skip any operand that isn't a vertex we're using. */
if (!tarjan_is_using (op_stmt))
@@ -254,9 +257,12 @@ tarjan_compute_sccs (vec<gphi *> phis)
unsigned j;
for (j = 0; j < gimple_phi_num_args (phi); j++)
{
- tree op_ssa = gimple_phi_arg_def (phi, j); // TODO Same code
+ tree op_var = gimple_phi_arg_def (phi, j); // TODO Same code
// twice (iterator?)
- gimple *op_stmt = SSA_NAME_DEF_STMT (op_ssa);
+ if (TREE_CODE (op_var) != SSA_NAME)
+ continue; /* Skip arguments that aren't SSA names. */
+
+ gimple *op_stmt = SSA_NAME_DEF_STMT (op_var);
/* Skip any operand that isn't a vertex we're using. */
if (!tarjan_is_using (op_stmt))
@@ -342,6 +348,9 @@ process_scc (vec<gphi *> scc)
for (i = 0; i < gimple_phi_num_args (phi); i++)
{
tree op = gimple_phi_arg_def (phi, i);
+ if (TREE_CODE (op) != SSA_NAME)
+ continue; /* Skip arguments that aren't SSA names. */
+
gimple *op_stmt = SSA_NAME_DEF_STMT (op);
// Check if operand is a phi from scc (TODO Efficiency)
^ permalink raw reply [flat|nested] 2+ messages in thread
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