Skip to content

Navigation Menu

Appearance settings

View all features
- BY COMPANY SIZE
  Enterprises
  Small and medium teams
  Startups
  Nonprofits
- BY USE CASE
  App Modernization
  DevSecOps
  DevOps
  CI/CD
  View all use cases
- BY INDUSTRY
  Healthcare
  Financial services
  Manufacturing
  Government
  View all industries
View all solutions
- EXPLORE BY TOPIC
  AI
  Software Development
  DevOps
  Security
  View all topics
- EXPLORE BY TYPE
  Customer stories
  Events & webinars
  Ebooks & reports
  Business insights
  GitHub Skills
- SUPPORT & SERVICES
  Documentation
  Customer support
  Community forum
  Trust center
  Partners
View all resources
- COMMUNITY
  GitHub SponsorsFund open source developers
- PROGRAMS
  Security Lab
  Maintainer Community
  Accelerator
  GitHub Stars
  Archive Program
- REPOSITORIES
  Topics
  Trending
  Collections
- ENTERPRISE SOLUTIONS
  Enterprise platformAI-powered developer platform
- AVAILABLE ADD-ONS
  GitHub Advanced SecurityEnterprise-grade security features
  Copilot for BusinessEnterprise-grade AI features
  Premium SupportEnterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

github / codeql Public

Notifications You must be signed in to change notification settings
Fork 2k
Star 9.5k

Code
Issues 977
Pull requests 391
Discussions
Actions
Projects
Models
Security and quality
Insights

Additional navigation options

Code
Issues
Pull requests
Discussions
Actions
Projects
Models
Security and quality
Insights

C#: Replace SSA classes with shared code.#21762

Merged

aschackmull merged 30 commits intogithub:maingithub/codeql:mainfrom

aschackmull:csharp/ssa2aschackmull/ql:csharp/ssa2Copy head branch name to clipboard

May 4, 2026

Conversation Commits30 (30)Checks Files changed

Merged

C#: Replace SSA classes with shared code.#21762
aschackmull merged 30 commits intogithub:mainfrom
aschackmull:csharp/ssa2

Commits

Commits on Apr 30, 2026

C#: Rename SsaImpl input.
aschackmull
committed
C#: Instantiate shared SSA wrappers.
aschackmull
committed
C#: Simplify library instantiations.
aschackmull
committed
C#: Remove references to getAFirstReadAtNode.
aschackmull
committed
C#: Deprecate member predicates Definition.getAFirstRead and getAFirstReadAtNode.
aschackmull
committed
C#: Deprecate member predicate Definition.getAReadAtNode.
aschackmull
committed
C#: Replace most uses of Ssa::Definition with SsaDefinition.
aschackmull
committed
C#: Delete test for Definition.getElement.
aschackmull
committed
C#: Move isLiveOutRefParameterDefinition to top-level.
aschackmull
committed
C#: Deprecate Definition.getEnclosingCallable.
aschackmull
committed
C#: Replace Ssa::ExplicitDefinition with SsaExplicitWrite.
aschackmull
committed
C#: Remove SSA location overrides.
aschackmull
committed
C#: Replace Ssa::ImplicitParameterDefinition with SsaParameterInit.
aschackmull
committed
C#: Replace Ssa::PhiNode with SsaPhiDefinition.
aschackmull
committed
C#: Replace Ssa::UncertainDefinition with SsaUncertainWrite.
aschackmull
committed
C#: Deprecate Ssa::ImplicitEntryDefinition.
aschackmull
committed
C#: Deprecate Ssa::ImplicitDefinition.
aschackmull
committed
C#: Deprecate Ssa::Definition in favour of SsaDefinition.
aschackmull
committed
C#: Deprecate some SSA internals.
aschackmull
committed
C#: Reinstate toString for SSA data flow nodes.
aschackmull
committed
C#: Exclude entry definitions from qualifier definitions.
aschackmull
committed
C#: Drop caching for deprecated predicates.
aschackmull
committed

Commits on May 1, 2026

C#: Deprecate ParameterDefinition in favour of SsaParameterInit.
aschackmull
committed
C#: Delete ParameterDefaultDefinition.
aschackmull
committed
C#: Fix toString for capture definitions.
aschackmull
committed
C#: Accept test changes.
aschackmull
committed
C#: Accept test changes for out/ref SSA location changes.
aschackmull
committed
C#: Add change note.
aschackmull
committed

Commits on May 4, 2026

Update csharp/ql/lib/semmle/code/csharp/dataflow/internal/SsaImpl.qll

hvitved
and
Copilot
authored
C#: Address some review comments.
aschackmull
committed

Footer

© 2026 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Community
Docs
Contact

You can’t perform that action at this time.