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eb6b08591df1a3aa743de690c434f5880faff243
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13896 Commits

Author SHA1 Message Date
Mathias Vorreiter Pedersen
eb6b08591d Update cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
 2025-11-24 15:01:09 +00:00
Mathias Vorreiter Pedersen
2e53370716 Update cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
 2025-11-24 15:01:00 +00:00
Mathias Vorreiter Pedersen
0487e0622a C++: Accept test changes from tests that use getAQlClass. 2025-11-24 14:04:35 +00:00
Mathias Vorreiter Pedersen
ecb80cb4fc C++: Represent field content using a column that is shared by all template instantiations. 2025-11-24 12:29:49 +00:00
Mathias Vorreiter Pedersen
6c4def13b4 C++: Add change note. 2025-11-19 17:24:30 +00:00
Mathias Vorreiter Pedersen
4c09e554fc Merge branch 'main' into union-content-field-content-common-base-class 2025-11-19 17:17:45 +00:00
Jeroen Ketema
fe3f90e041 C++: Make getExpandedArgument more robust 
This make the predicate give back sensible results on (upgraded) databases
where we do not have expanded arguments, and avoid having to write case
distinctions in places where we would want to use `getExpandedArgument`.
 2025-11-19 12:49:54 +01:00
Jeroen Ketema
e235e0473a C++: Fix getAnExpandedArgument 
The fix was accidentially lost when rebasing the branch that introduced this
predicate.
 2025-11-19 12:49:02 +01:00
Mathias Vorreiter Pedersen
9bfe847fda C++: Fix awful joins on bochs: 
```
Evaluated relational algebra for predicate DataFlowPrivate::storeStepImpl/4#b2c79f9a@13be12rc with tuple counts:
           9   ~0%    {3} r1 = JOIN `FlowSummaryImpl::Private::Steps::summaryStoreStep/3#5c2d4899` WITH DataFlowUtil::TFlowSummaryNode#40da8361 ON FIRST 1 OUTPUT Lhs.2, Lhs.1, Rhs.1
           9   ~0%    {4}    | JOIN WITH DataFlowUtil::TFlowSummaryNode#40da8361 ON FIRST 1 OUTPUT Lhs.2, Lhs.1, Rhs.1, _
           9  ~12%    {4}    | REWRITE WITH Out.3 := true

     1853420   ~0%    {3} r2 = SCAN `DataFlowPrivate::nodeHasInstruction/3#f469bb06` OUTPUT In.1, In.0, In.2
      100282   ~0%    {3}    | JOIN WITH `Instruction::StoreInstruction.getDestinationAddressOperand/0#dispred#596a4aba` ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2
      127910   ~0%    {6}    | JOIN WITH `DataFlowPrivate::numberOfLoadsFromOperand/4#7e555666_1023#join_rhs` ON FIRST 1 OUTPUT _, Lhs.1, Rhs.1, Rhs.3, Lhs.2, Rhs.2
      127910   ~0%    {4}    | REWRITE WITH Tmp.0 := 1, Out.0 := (Tmp.0 + In.4 + In.5) KEEPING 4
  4178182721   ~1%    {4}    | JOIN WITH `DataFlowUtil::FieldContent.getIndirectionIndex/0#dispred#cc69866f_10#join_rhs` ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2, Lhs.3
  4290552803   ~0%    {5}    | JOIN WITH `DataFlowUtil::FieldContent.getAField/0#dispred#ba1c91e5` ON FIRST 1 OUTPUT Lhs.2, Lhs.1, Lhs.3, Lhs.0, Rhs.1
  3033745816   ~5%    {7}    | JOIN WITH DataFlowUtil::PostFieldUpdateNode#b86f3a84_1023#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2, Lhs.3, Lhs.4, Rhs.2, Rhs.3
  3033745816   ~3%    {9}    | JOIN WITH DataFlowUtil::TPostUpdateNodeImpl#f5e76b7a_21#join_rhs ON FIRST 1 OUTPUT Lhs.1, Lhs.2, Lhs.3, Lhs.4, Lhs.0, Lhs.5, Lhs.6, Rhs.1, _
                      {8}    | REWRITE WITH Tmp.8 := 1, TEST InOut.7 = Tmp.8 KEEPING 8
  1516872908   ~0%    {7}    | SCAN OUTPUT In.4, In.5, In.6, In.0, In.1, In.2, In.3
  2409090286   ~1%    {6}    | JOIN WITH DataFlowUtil::PostFieldUpdateNode#b86f3a84_0231#join_rhs ON FIRST 3 OUTPUT Rhs.3, Lhs.6, Lhs.3, Lhs.4, Lhs.5, Lhs.0
       66016  ~45%    {4}    | JOIN WITH `DataFlowUtil::FieldAddress.getField/0#dispred#bdd01c1a` ON FIRST 2 OUTPUT Lhs.2, Lhs.4, Lhs.5, Lhs.3

       66025  ~45%    {4} r3 = r1 UNION r2
                      return r3
```
 2025-11-19 10:08:09 +00:00
Mathias Vorreiter Pedersen
4279a970fa C++: Remove unnecessary cast. 2025-11-18 20:03:24 +00:00
Mathias Vorreiter Pedersen
a27ac9d59d C++: Updated expected after Copilot change. 2025-11-18 20:03:10 +00:00
Mathias Vorreiter Pedersen
6b136e3a53 Update cpp/ql/test/library-tests/types/sizeof/sizeof.ql 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
 2025-11-18 20:00:32 +00:00
Mathias Vorreiter Pedersen
d4a8dbb5f3 C++: Slightly modify a test so that we can see the effect of this change. 2025-11-18 19:52:30 +00:00
Mathias Vorreiter Pedersen
a5601ce734 C++: Lift 'getTypeOperand' to the superclass. 2025-11-18 19:52:05 +00:00
Mathias Vorreiter Pedersen
7f0fcb0c46 C++: Create a common base class for 'NonUnionContent' and 'UnionContent' called 'FieldContent'. 2025-11-18 18:53:37 +00:00
Mathias Vorreiter Pedersen
7527d88762 C++: Get rid of abstract'ness from these public predicates. We are not supposed to have abstract public stuff. Oops ... 2025-11-18 18:52:20 +00:00
Mathias Vorreiter Pedersen
2af6db6320 C++: Rename 'FieldContent' to 'NonUnionContent'. 2025-11-18 18:51:33 +00:00
Paolo Tranquilli
48ee9dd149 Merge branch 'main' into post-release-prep/codeql-cli-2.23.6 2025-11-18 12:18:09 +01:00
github-actions[bot]
5ee45af3aa Post-release preparation for codeql-cli-2.23.6 2025-11-18 09:53:12 +00:00
Mathias Vorreiter Pedersen
47ac4dd1dc C++: Add 'nomagic' to 'getParameter'. 2025-11-17 19:21:37 +00:00
github-actions[bot]
18fa6799ce Release preparation for version 2.23.6 2025-11-17 16:38:07 +00:00
Jeroen Ketema
1671805598 Merge pull request #20831 from jketema/expanded 
C++: Extract the expanded compiler arguments
 2025-11-17 13:58:24 +01:00
Jeroen Ketema
1df47cc747 C++: Fix QL-for-QL warning 2025-11-17 11:17:57 +01:00
Jeroen Ketema
15393ae621 C++: Add change note 2025-11-17 11:17:56 +01:00
Jeroen Ketema
61b7eb3d5c C++: Update dbscheme stats file 2025-11-17 11:17:55 +01:00
Jeroen Ketema
a8d488fa29 C++: Add upgrade and downgrade scripts 2025-11-17 11:17:54 +01:00
Jeroen Ketema
ee97d6f461 C++: Expose the expanded compilation arguments 2025-11-17 11:17:53 +01:00
Jeroen Ketema
861c236dae C++: Add table for expanded compilation arguments 2025-11-17 11:17:51 +01:00
Simon Friis Vindum
792ac7a772 C++: Fix typo 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
 2025-11-14 12:59:41 +01:00
Simon Friis Vindum
1dd78e2f4b C++: Add change note 2025-11-14 12:26:24 +01:00
Simon Friis Vindum
5da73f3232 C++: Make sure that nrOfBoundsNEPhi is functional 2025-11-14 12:26:23 +01:00
Simon Friis Vindum
74b433ef59 C++: Add range analysis tests 2025-11-14 12:26:22 +01:00
Simon Friis Vindum
69e70d7cbc Reapply "Merge pull request #20645 from paldepind/cpp/range-analysis-measure" 
This reverts commit e7c029ae7d.
 2025-11-14 12:26:21 +01:00
Mathias Vorreiter Pedersen
7b052e2404 Merge branch 'main' into fix-cp-in-external-flow 2025-11-10 10:44:31 +00:00
Mathias Vorreiter Pedersen
29a294f8d0 C++: Bind the columns inside the predicate instead of relying on 'bindingset's. The repeated inlining caused by 'bindiingset's created some #shared predicates with repeated regex matching. 2025-11-10 10:21:12 +00:00
Mathias Vorreiter Pedersen
267a7f5229 Merge pull request #20779 from MathiasVP/fix-bad-magic 
C++: Fix bad magic in `IRGuards`
 2025-11-10 10:05:18 +00:00
Jeroen Ketema
eb3e86480f Merge pull request #20784 from jketema/qual-fail 
C++: Fix named qualifier dataset check error with decltypes
 2025-11-10 10:36:47 +01:00
Jeroen Ketema
0bf415acdf C++: Add upgrade and downgrade scripts 2025-11-10 10:11:05 +01:00
Jeroen Ketema
b660625429 C++: Update dbscheme to address dataset check error 2025-11-10 10:11:04 +01:00
Jeroen Ketema
a3f26fd6bb C++: Update expected test results after QL changes 2025-11-10 10:11:03 +01:00
Jeroen Ketema
f9554e1542 C++: Give proper getNames to more types and fix QLdoc 2025-11-10 10:11:01 +01:00
Mathias Vorreiter Pedersen
dfdc2a6a15 C++: Delete an incorrect comment. 2025-11-08 16:45:45 +00:00
Mathias Vorreiter Pedersen
3d6b3a31ac C++: Also join on the 'namespace'. 2025-11-08 16:45:39 +00:00
Mathias Vorreiter Pedersen
bfe2b7dc44 C++: Use the new predicate to remove a cartesian-like join. 2025-11-08 16:43:43 +00:00
Mathias Vorreiter Pedersen
a922d5099f C++: Factor out some conjuncts from 'interpretElement0' and into a new predicate. 2025-11-08 16:42:16 +00:00
Mathias Vorreiter Pedersen
74b774eec5 Merge pull request #20769 from MathiasVP/add-more-flow-models 
C++: Add a few more models
 2025-11-08 16:39:29 +00:00
github-actions[bot]
10ae374a82 Post-release preparation for codeql-cli-2.23.4 2025-11-07 18:18:09 +00:00
Michael B. Gale
0cbc9358de Revert C++ range analysis change note 2025-11-07 17:39:40 +00:00
Mathias Vorreiter Pedersen
6a2debba96 C++: Fix bad magic. 2025-11-07 17:38:18 +00:00
github-actions[bot]
6342da9503 Release preparation for version 2.23.4 2025-11-07 17:37:29 +00:00