[turbofan] Added --csa-trap-on-node option that helps debugging graph verification issues.

[turbofan] Added --csa-trap-on-node option that helps debugging graph verification issues.

The error reported by the graph verifier looks like:

#
# Fatal error in ../src/compiler/machine-graph-verifier.cc, line 638
# TypeError: node #54:ChangeInt32ToInt64 uses node #53:ChangeUint32ToUint64 which doesn't have an int32-compatible representation.
#
# Specify option --csa-trap-on-node=test,54 for debugging.
#

BUG=

Review-Url: https://codereview.chromium.org/2574353002
Cr-Commit-Position: refs/heads/master@{#41721}
Committed: https://chromium.googlesource.com/v8/v8/+/1805315470418fe869801e891b7e51d791459c49

[Igor Sheludko, 2016-12-14 19:18:40]

Description was changed from

==========
[turbofan] Added --csa-trap-on-node option that helps debugging graph
verification issues.

BUG=
==========

to

==========
[turbofan] Added --csa-trap-on-node option that helps debugging graph
verification issues.

The error reported by the graph verifier looks like:

#
# Fatal error in ../src/compiler/machine-graph-verifier.cc, line 638
# TypeError: node #54:ChangeInt32ToInt64 uses node #53:ChangeUint32ToUint64
which doesn't have an int32-compatible representation.
#
# Specify option --csa-trap-on-node=test,54 for debugging.
#

BUG=
==========

[Igor Sheludko, 2016-12-14 19:28:08]

The CQ bit was checked by ishell@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-14 19:28:16]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Igor Sheludko, 2016-12-14 19:28:35]

ishell@chromium.org changed reviewers:
+ epertoso@chromium.org

[Igor Sheludko, 2016-12-14 19:28:36]

PTAL

[commit-bot: I haz the power, 2016-12-14 19:58:05]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-12-14 19:58:06]

Dry run: This issue passed the CQ dry run.

[epertoso, 2016-12-15 13:30:25]

lgtm

[Igor Sheludko, 2016-12-15 13:30:49]

The CQ bit was checked by ishell@chromium.org

[commit-bot: I haz the power, 2016-12-15 13:30:59]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-12-15 13:32:28]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481808649530550, "parent_rev":
"7bd61b601cc3aa637c378813f010f25e1c2f9145", "commit_rev":
"1805315470418fe869801e891b7e51d791459c49"}

[commit-bot: I haz the power, 2016-12-15 13:32:31]

Description was changed from

==========
[turbofan] Added --csa-trap-on-node option that helps debugging graph
verification issues.

The error reported by the graph verifier looks like:

#
# Fatal error in ../src/compiler/machine-graph-verifier.cc, line 638
# TypeError: node #54:ChangeInt32ToInt64 uses node #53:ChangeUint32ToUint64
which doesn't have an int32-compatible representation.
#
# Specify option --csa-trap-on-node=test,54 for debugging.
#

BUG=
==========

to

==========
[turbofan] Added --csa-trap-on-node option that helps debugging graph
verification issues.

The error reported by the graph verifier looks like:

#
# Fatal error in ../src/compiler/machine-graph-verifier.cc, line 638
# TypeError: node #54:ChangeInt32ToInt64 uses node #53:ChangeUint32ToUint64
which doesn't have an int32-compatible representation.
#
# Specify option --csa-trap-on-node=test,54 for debugging.
#

BUG=

Review-Url: https://codereview.chromium.org/2574353002
Cr-Commit-Position: refs/heads/master@{#41721}
Committed:
https://chromium.googlesource.com/v8/v8/+/1805315470418fe869801e891b7e51d7914...
==========

[commit-bot: I haz the power, 2016-12-15 13:32:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/1805315470418fe869801e891b7e51d7914...