Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Make constFold aware of overflows and prevent constant folding on overflows #59

Merged
merged 4 commits into from
Dec 21, 2021
Merged

Make constFold aware of overflows and prevent constant folding on overflows #59

merged 4 commits into from
Dec 21, 2021

Conversation

michael-schwarz
Copy link
Member

@michael-schwarz michael-schwarz commented Dec 20, 2021 •
edited
Loading

This does not apply constant folding to expressions that lead to signed overflows.

That way, programs such as Goblint can reliably warn about such issues, without having to deactivate constant folding by CIL in general.

@michael-schwarz michael-schwarz mentioned this pull request Dec 20, 2021
Merged
2 tasks
@michael-schwarz michael-schwarz merged commit 9b348e9 into develop Dec 21, 2021
@sim642 sim642 deleted the const_fold_ov branch May 30, 2022 07:13
@sim642 sim642 added this to the 2.0.0 milestone Jul 17, 2022
sim642 added a commit to sim642/opam-repository that referenced this pull request Aug 12, 2022
@sim642
[new release] goblint-cil (2.0.0)
a9c997a 
CHANGES:

* Wrap library into `GoblintCil` module (goblint/cil#107).
* Remove all MSVC support (goblint/cil#52, goblint/cil#88).
* Port entire build process from configure/make to dune (goblint/cil#104).
* Add C11 `_Generic` support (goblint/cil#48).
* Add C11 `_Noreturn` support (goblint/cil#58).
* Add C11 `_Static_assert` support (goblint/cil#62).
* Add C11 `_Alignof` support (goblint/cil#66).
* Add C11 `_Alignas` support (goblint/cil#93, goblint/cil#108).
* Add partial C11 `_Atomic` support (goblint/cil#61).
* Add `_Float32`, `_Float64`, `_Float32x` and `_Float64x` type support (goblint/cil#8, goblint/cil#60).
* Add Universal Character Names, `char16_t` and `char32_t` type support (goblint/cil#80).
* Change locations to location spans and add additional expression locations (goblint/cil#51).
* Add synthetic marking for CIL-inserted statement locations (goblint/cil#98).
* Expose list of files from line control directives (goblint/cil#73).
* Add parsed location transformation hook (goblint/cil#89).
* Use Zarith for integer constants (goblint/cil#47, goblint/cil#53).
* Fix constant folding overflows (goblint/cil#59).
* Add option to disable constant branch removal (goblint/cil#103).
* Add standalone expression parsing and checking (goblint/cil#97, goblint/cil#96).
* Improve inline function merging (goblint/cil#72, goblint/cil#85, goblint/cil#84, goblint/cil#86).
* Fix some attribute parsing cases (goblint/cil#71, goblint/cil#75, goblint/cil#76, goblint/cil#77).
* Fix global NaN initializers (goblint/cil#78, goblint/cil#79).
* Fix `cilly` binary installation (goblint/cil#99, goblint/cil#100, goblint/cil#102).
* Remove batteries dependency to support OCaml 5 (goblint/cil#106).
@sim642 sim642 mentioned this pull request Aug 12, 2022
Merged
sim642 added a commit to sim642/opam-repository that referenced this pull request Aug 12, 2022
@sim642
[new release] goblint-cil (2.0.0)
fb70853 
CHANGES:

* Wrap library into `GoblintCil` module (goblint/cil#107).
* Remove all MSVC support (goblint/cil#52, goblint/cil#88).
* Port entire build process from configure/make to dune (goblint/cil#104).
* Add C11 `_Generic` support (goblint/cil#48).
* Add C11 `_Noreturn` support (goblint/cil#58).
* Add C11 `_Static_assert` support (goblint/cil#62).
* Add C11 `_Alignof` support (goblint/cil#66).
* Add C11 `_Alignas` support (goblint/cil#93, goblint/cil#108).
* Add partial C11 `_Atomic` support (goblint/cil#61).
* Add `_Float32`, `_Float64`, `_Float32x` and `_Float64x` type support (goblint/cil#8, goblint/cil#60).
* Add Universal Character Names, `char16_t` and `char32_t` type support (goblint/cil#80).
* Change locations to location spans and add additional expression locations (goblint/cil#51).
* Add synthetic marking for CIL-inserted statement locations (goblint/cil#98).
* Expose list of files from line control directives (goblint/cil#73).
* Add parsed location transformation hook (goblint/cil#89).
* Use Zarith for integer constants (goblint/cil#47, goblint/cil#53).
* Fix constant folding overflows (goblint/cil#59).
* Add option to disable constant branch removal (goblint/cil#103).
* Add standalone expression parsing and checking (goblint/cil#97, goblint/cil#96).
* Improve inline function merging (goblint/cil#72, goblint/cil#85, goblint/cil#84, goblint/cil#86).
* Fix some attribute parsing cases (goblint/cil#71, goblint/cil#75, goblint/cil#76, goblint/cil#77).
* Fix global NaN initializers (goblint/cil#78, goblint/cil#79).
* Fix `cilly` binary installation (goblint/cil#99, goblint/cil#100, goblint/cil#102).
* Remove batteries dependency to support OCaml 5 (goblint/cil#106).
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Reviewers

@sim642 sim642 sim642 approved these changes

Assignees
No one assigned
Labels
enhancement
Projects
None yet
Milestone
2.0.0
Development

Successfully merging this pull request may close these issues.
2 participants
@michael-schwarz @sim642