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f255fc2fd593dcd08e21062829384688690b297c
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3375 Commits

Author SHA1 Message Date
Mathias Vorreiter Pedersen
f255fc2fd5 C++: Drive-by join order fix. Before: 
```
Evaluated relational algebra for predicate SsaInternals::getDefImpl/1#1ed4f567@65628fbv with tuple counts:
          4935102  ~5%    {4} r1 = SCAN `SsaInternals::SsaImpl::Definition.definesAt/3#dispred#7eea4c8f` OUTPUT In.2, In.3, In.0, In.1
        104274503  ~1%    {3}    | JOIN WITH `SsaInternals::DefImpl.hasIndexInBlock/2#dispred#30a6c29f_120#join_rhs` ON FIRST 2 OUTPUT Rhs.2, Lhs.3, Lhs.2
          4921319  ~2%    {2}    | JOIN WITH `SsaInternals::DefImpl.getSourceVariable/0#dispred#72437659` ON FIRST 2 OUTPUT Lhs.2, Lhs.0
                          return r1
```
After:
```
Evaluated relational algebra for predicate SsaInternals::SsaImpl::Definition.definesAt/3#dispred#7eea4c8f_1230#join_rhs@b280fb5h with tuple counts:
        4935102  ~3%    {4} r1 = SCAN `SsaInternals::SsaImpl::Definition.definesAt/3#dispred#7eea4c8f` OUTPUT In.1, In.2, In.3, In.0
                        return r1

Evaluated relational algebra for predicate SsaInternals::DefImpl.hasIndexInBlock/3#dispred#31d295aa_1230#join_rhs@2be655s4 with tuple counts:
        5634706  ~1%    {4} r1 = SCAN `SsaInternals::DefImpl.hasIndexInBlock/3#dispred#31d295aa` OUTPUT In.1, In.2, In.3, In.0
                        return r1

Evaluated relational algebra for predicate SsaInternals::getDefImpl/1#1ed4f567@8afa36uu with tuple counts:
        4921319  ~2%    {2} r1 = JOIN `SsaInternals::SsaImpl::Definition.definesAt/3#dispred#7eea4c8f_1230#join_rhs` WITH `SsaInternals::DefImpl.hasIndexInBlock/3#dispred#31d295aa_1230#join_rhs` ON FIRST 3 OUTPUT Lhs.3, Rhs.3
                        return r1
```
 2025-05-13 14:21:28 +01:00
Mathias Vorreiter Pedersen
0836f0b413 C++: Cache and fix join order in 'hasIncompleteSsa'. 2025-05-13 13:41:15 +01:00
Mathias Vorreiter Pedersen
c3c18bdbd2 C++: Add change note. 2025-05-13 11:28:25 +01:00
Mathias Vorreiter Pedersen
9d2eb3d9b8 C++: Filter out instructions with incomplete SSA in range analysis. 2025-05-13 10:54:22 +01:00
Mathias Vorreiter Pedersen
510df38da2 C++: Add an 'hasIncompleteSsa' predicate to check whether a function has correctly modelled SSA information. 2025-05-13 10:54:20 +01:00
Mathias Vorreiter Pedersen
f1b4e05579 C++: Expose 'isBusyDef'. 2025-05-12 19:45:19 +01:00
Mathias Vorreiter Pedersen
e51cb478af C++: Expose 'MemoryLocation0'. 2025-05-12 19:43:19 +01:00
Jeroen Ketema
c7e4853c38 Merge pull request #19269 from jketema/non-second-level-limits 
C++: Do not limit second level scopes to the top-level
 2025-04-30 13:50:36 +02:00
github-actions[bot]
2e0699ab2b Post-release preparation for codeql-cli-2.21.2 2025-04-28 14:03:28 +00:00
github-actions[bot]
625354c46e Release preparation for version 2.21.2 2025-04-28 10:55:22 +00:00
Jeroen Ketema
9396f0ee55 C++: Set defaultFieldFlowBranchLimit to 3 2025-04-25 13:10:42 +02:00
Jeroen Ketema
ac3c3ae13a C++: Do not limit second level scopes to the top-level 2025-04-25 13:10:40 +02:00
Jeroen Ketema
4093afbaab Merge pull request #19290 from jketema/typeof 
C++: Support C23 `typeof` and `typeof_unqual`
 2025-04-24 10:12:46 +02:00
Jeroen Ketema
cad695868d C++: Add change note 2025-04-23 17:51:06 +02:00
Jeroen Ketema
0c313463b4 C++: Update stats file 2025-04-23 16:56:59 +02:00
Jeroen Ketema
a3e0c15c10 C++: Add upgrade and downgrade scripts 2025-04-23 16:56:57 +02:00
Jeroen Ketema
df3282c204 C++: Support C23 typeof and typeof_unqual 2025-04-23 16:56:47 +02:00
Mathias Vorreiter Pedersen
07d8f8dd0d C++: Add an empty model to prevent a warning. 2025-04-23 10:24:17 +01:00
Mathias Vorreiter Pedersen
3fd760c632 C++: Move 'InlineMadTest.qll' out of 'lib/utils/test' and into 'test' since C++ has no external packs depending on MaD testing. 2025-04-20 16:49:02 +01:00
Mathias Vorreiter Pedersen
9cba91c682 C++: Add another entry to 'qlpack' for external models. 2025-04-20 16:48:54 +01:00
Mathias Vorreiter Pedersen
1f43e51be4 C++: Fix ql-for-ql findings. 2025-04-20 16:48:49 +01:00
Mathias Vorreiter Pedersen
09ebd6e87d C++: Instantiate inline expectation test framework to test model generation. 2025-04-20 16:48:45 +01:00
Jeroen Ketema
0bcee84117 C++: Minor textual fixes 2025-04-17 12:33:27 +02:00
idrissrio
15fe2fbba6 C++: update stats file 2025-04-16 20:45:33 +02:00
idrissrio
36a425715c C++: add upgrade and downgrade scripts 2025-04-16 17:07:25 +02:00
idrissrio
d8afd2a786 C++: add change note for designator-based initializations 2025-04-16 16:23:32 +02:00
idrissrio
49183bb82a C++: add predicate to distinguish between array/field designators 2025-04-16 16:19:26 +02:00
Ian Lynagh
bdd3207752 Merge branch 'main' into post-release-prep/codeql-cli-2.21.1 2025-04-16 11:54:23 +01:00
github-actions[bot]
d78736b1bf Post-release preparation for codeql-cli-2.21.1 2025-04-15 16:33:15 +00:00
idrissrio
202040fad4 C++: update stats file 2025-04-15 13:36:24 +02:00
idrissrio
ae07272c44 C++: add upgrade and downgrade scripts 2025-04-15 11:09:31 +02:00
idrissrio
15ba9e0c66 C++: add change note for VLAs 2025-04-15 11:06:19 +02:00
idrissrio
033bade0ab C++: add isVLA() to ArrayType to identify variable-length arrays 2025-04-15 11:03:26 +02:00
github-actions[bot]
b961c5961d Release preparation for version 2.21.1 2025-04-14 09:53:06 +00:00
Mathias Vorreiter Pedersen
deef95d384 Update cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowPrivate.qll 
Co-authored-by: Taus <tausbn@github.com>
 2025-04-11 12:43:59 +01:00
Mathias Vorreiter Pedersen
bfc494c0e1 Update cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowPrivate.qll 
Co-authored-by: Taus <tausbn@github.com>
 2025-04-11 12:43:51 +01:00
Mathias Vorreiter Pedersen
3bb249f580 C++: Ensure we always have 'Position's even if there are no calls in the DB. 2025-04-10 14:28:40 +01:00
Mathias Vorreiter Pedersen
b678112f4d C++: Add a few predicates to 'ReturnKind'. 2025-04-10 14:28:38 +01:00
Mathias Vorreiter Pedersen
960e9900af C++: Move the 'getArgumentIndex' into the abstract 'Position' class. It is implemented in all subclasses anyway. 2025-04-10 14:28:36 +01:00
Mathias Vorreiter Pedersen
94e08e318d C++: Expose a few predicates from 'ExternalFlow'. 2025-04-10 14:18:47 +01:00
Arthur Baars
0e23b86bf5 Merge pull request #19182 from github/post-release-prep/codeql-cli-2.21.0 
Post-release preparation for codeql-cli-2.21.0
 2025-04-01 15:12:29 +02:00
github-actions[bot]
10205cb990 Post-release preparation for codeql-cli-2.21.0 2025-04-01 11:30:43 +00:00
Idriss Riouak
1ebce01c95 Merge pull request #19159 from github/idrissrio/calling-conventions 
C++: Add class representing calling conventions
 2025-04-01 10:31:16 +02:00
idrissrio
d61d9730c8 C++: add change note for calling conventions 2025-04-01 09:53:36 +02:00
github-actions[bot]
84f6564cc0 Release preparation for version 2.21.0 2025-03-31 17:35:15 +00:00
idrissrio
f83f14bab2 C++: add calling convention specifier class 2025-03-31 17:44:56 +02:00
Anders Schack-Mulligen
a6a694dec6 C++: Use DataFlowIntegration in IteratorFlow. 2025-03-31 10:49:43 +02:00
Anders Schack-Mulligen
aaa7e4cf95 C++: Def is only used in defToNode, which doesn't include phi reads nodes. 2025-03-31 10:49:43 +02:00
Anders Schack-Mulligen
133f08784f C++: Eliminate dead code, uncertain is always false. 2025-03-31 10:49:42 +02:00
Anders Schack-Mulligen
5a986f5327 SSA: Remove empty predicates and dead code. 2025-03-28 12:00:38 +01:00