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3200 Commits

Author SHA1 Message Date
Mathias Vorreiter Pedersen
d9753b0ca5 C++/C#: Accept test output after adding sanity check to Instruction.qll 2020-02-21 15:09:53 +01:00
Mathias Vorreiter Pedersen
780010d8f9 C++/C#: Sync identical files 2020-02-20 22:15:06 +01:00
Mathias Vorreiter Pedersen
6c08783158 C++: Accept output 2020-02-20 22:13:37 +01:00
Mathias Vorreiter Pedersen
4545ad0f93 C++: Add sanity check to Instruction.qll 2020-02-20 22:09:02 +01:00
Mathias Vorreiter Pedersen
76e5bd59df C++: Change edge to DefaultEdge 2020-02-20 22:08:16 +01:00
Mathias Vorreiter Pedersen
c5f38eecfe C++: Fix IR generation and accept output 2020-02-20 15:37:02 +01:00
Mathias Vorreiter Pedersen
051d574ffd C++: Add switch testcases demonstrating incorrect IR 2020-02-20 15:31:44 +01:00
Robert Marsh
de66841263 Merge pull request #2873 from geoffw0/fixasttest2 
C++: Fix another test that should be working on the AST dataflow.
 2020-02-19 14:13:44 -08:00
Robert Marsh
82f2540dde Merge pull request #2871 from geoffw0/fixasttest 
C++: Fix a test that should be working on the AST dataflow.
 2020-02-19 10:55:13 -08:00
Jonas Jensen
1d2d8729b8 Merge pull request #2839 from MathiasVP/sync-ir-valuenumbering-internals 
C++/C#: Fix sync config file for value numbering sharing
 2020-02-19 16:57:16 +01:00
Geoffrey White
c014ca6ed7 C++: Rename some tests for clarity / less emphasis on the AST. 2020-02-19 14:33:57 +00:00
Geoffrey White
3e49e12126 C++ Repair GlobalValueNumbering (AST) test. 2020-02-19 14:28:46 +00:00
Geoffrey White
df29143b7e C++: Fix a test that should be working on the AST dataflow. 2020-02-19 13:02:24 +00:00
Mathias Vorreiter Pedersen
59a19679ea C++/C#: Sync identical files after merge 2020-02-19 11:06:00 +01:00
Mathias Vorreiter Pedersen
bbcc1e1c37 Merge branch 'master' into sync-ir-valuenumbering-internals 2020-02-19 10:43:48 +01:00
Mathias Vorreiter Pedersen
3a05a82c1d C++: Accept output 2020-02-19 10:35:03 +01:00
Mathias Vorreiter Pedersen
246ef694f6 Merge branch 'master' into gvn-use-impl 2020-02-19 10:29:46 +01:00
Mathias Vorreiter Pedersen
cc4c780573 Merge pull request #2860 from jbj/isInCycle-neighbors 
C++: Manual magic for `isInCycle`
 2020-02-18 17:41:19 +01:00
Robert Marsh
aaf6926c34 Merge pull request #2851 from jbj/ir-enable-only 
C++: Use IR for security.TaintTracking and GVN
 2020-02-18 11:37:34 -05:00
Mathias Vorreiter Pedersen
4cad5549ee C++: Directly import AST GVN module in tests 2020-02-18 12:21:14 +01:00
Jonas Jensen
0d239e8bd2 C++: Manual magic for isInCycle 
The `isInCycle` predicate would take a long time on Wireshark with 6GB
RAM, sometimes OOMing in the fastTC HOP. Analyzing wireshark with 6GB is
important because that's the standard configuration on our Jenkins
workers. With this commit, I can analyze Wireshark with 6GB on my
laptop.

The `getNonPhiOperandDef` predicate on Wireshark is 34M tuples, while
`getDefIfHasNeighbors` is 11M tuples, and the TC of
`getDefIfHasNeighbors` is 23M tuples (487 MB).
 2020-02-18 08:33:43 +01:00
semmle-qlci
ecad925101 Merge pull request #2631 from hvitved/dataflow/generalize-flow-summaries 
Approved by aschackmull
 2020-02-17 18:22:46 +00:00
Tom Hvitved
0e7838aca5 Data flow: Sync files 2020-02-17 15:08:26 +01:00
Tom Hvitved
28307399f8 Data flow: Sync files 2020-02-17 10:45:35 +01:00
Jonas Jensen
0aba965a9e C++: Don't mention deprecated class 
The language tests were failing because they don't tolerate mentioning a
deprecated class anywhere.
 2020-02-16 09:43:25 +01:00
Jonas Jensen
a59c0facee C++: Accept test changes for IR libs 
This is for the tests in the ql repo. There are also changed tests in
the internal repo.
 2020-02-15 21:12:20 +01:00
Jonas Jensen
f4ba56f0c0 C++: Use IR for security.TaintTracking and GVN 2020-02-15 21:10:29 +01:00
Jonas Jensen
e95ebb25a5 C++: Ensure tainted_diff.ql keeps using old lib 
Without this, the test will compare the IR to itself after we enable it.
 2020-02-15 21:10:29 +01:00
Jonas Jensen
0628625a76 Merge pull request #2835 from MathiasVP/value-number-perf 
C++: Value number performance fix
 2020-02-15 20:40:53 +01:00
Mathias Vorreiter Pedersen
8cda847dbc C++: Add TLoadTotalOverlapValueNumber to getKind predicate in AST GVN wrapper 2020-02-15 09:37:45 -07:00
Jonas Jensen
49d2f5a60b C++: autoformat 2020-02-15 09:41:27 +01:00
Dave Bartolomeo
867581df91 Merge pull request #2844 from MathiasVP/value-numbering-performance-fix-2 
C++: Ensure that there is just one overlap for an operand in value numbering
 2020-02-14 16:40:03 -07:00
Robert Marsh
7abd289d7d C++: reinclude IRType in total load value numbers 2020-02-14 13:34:29 -08:00
Mathias Vorreiter Pedersen
8b8a8cae5b C++/C#: Sync identical files 2020-02-14 16:11:57 +01:00
Mathias Vorreiter Pedersen
4a7b865dc0 C++: Move overlap fix into SSAConstruction 2020-02-14 16:11:00 +01:00
Mathias Vorreiter Pedersen
121c5e436d C++: Check that there is only one overlap 2020-02-14 11:13:53 +01:00
Jonas Jensen
928bdbacb0 C++: Change import order for stable cache checksum 
Without this fix, running the full LGTM suite would get the IR evaluated
twice. That's because we have multiple IPA types and constructors with
the same name (like `TInstruction` and `MkIRFunction`), and the QL
compiler chooses how to disambiguate those names differently depending
on import order.

I've tested that the IR is only evaluated once now by running the whole
suite on a tiny project (jbj/magicrescue) and looking at the output of

    perl -ne 'print if /^RESULTS IN:/ .. /^\[/ and not /^\[/' runSnapshotQueries-debug.log | sort |uniq -c |sort -n |less
 2020-02-14 10:28:52 +01:00
Robert Marsh
b4ff1216cc C++: sync identical files 2020-02-13 17:02:00 -08:00
Robert Marsh
0f58887396 C++: unique value number for filtered instructions 
Instructions that are removed from the normal value numbering recursion
because they have a duplicated type or AST element get unique value
numbers rather than going unnumbered. This ensures comparisons of value
numbers using `!=` hold for filtered instructions.
 2020-02-13 15:36:42 -08:00
Mathias Vorreiter Pedersen
d4c6f487bc C++/C#: Fix sync config file for value numbering sharing 2020-02-13 22:32:52 +01:00
Mathias Vorreiter Pedersen
ed7888c612 C++: Sync identical files 2020-02-13 21:50:03 +01:00
Mathias Vorreiter Pedersen
57613d5507 C++: Reintroduce the type in TConstantValueNumber to avoid giving constant with different signed-ness the same value number. Instead filter those with more than one type out. 2020-02-13 21:49:40 +01:00
Mathias Vorreiter Pedersen
cb510edcf0 C++: Sync up identical files and restore imports 2020-02-13 18:02:56 +01:00
Mathias Vorreiter Pedersen
04c5f1cbb4 C++: Perf fix for value numbering 2020-02-13 18:02:56 +01:00
Jonas Jensen
24396905a5 WIP: Try to reduce ambiguous value numbers 
This is not enough to get genome/breakdancer working.
 2020-02-13 18:02:56 +01:00
Jonas Jensen
8054cde9fc WIP: Switch on IR 2020-02-13 18:02:56 +01:00
Tom Hvitved
332733a92e Java/C++: Follow-up changes 2020-02-13 16:34:06 +01:00
Tom Hvitved
b5b0c2b8cf Data flow: Sync files 2020-02-13 16:34:06 +01:00
Geoffrey White
4412cea04a Merge pull request #2821 from jbj/ValueNumbering-var-operand 
C++: Fix perf of IR value numbering
 2020-02-13 09:11:34 +00:00
Jonas Jensen
2abe416670 Merge pull request #2799 from MathiasVP/missing-flow-in-crement 
C++: Fix false negatives for postfix crement expressions
 2020-02-12 15:03:48 +01:00