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Adding Antigen source to jitutils - #438

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richlander merged 150 commits into
dotnet:mainfrom
dhartglassMSFT:add_antigen_nosquashing
Jun 1, 2026
Merged

Adding Antigen source to jitutils#438
richlander merged 150 commits into
dotnet:mainfrom
dhartglassMSFT:add_antigen_nosquashing

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@dhartglassMSFT

@dhartglassMSFT dhartglassMSFT commented May 29, 2026 •
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  • Imported code using git subtree add ... without a squash
  • After this goes in we'll change fuzzer_setup.py (runtime repo) to instead point here
  • git log graph looks like the following (69d25... and 8fb27a etc are antigen commits, 942ef1... is jitutils)
* 99674a2 Update jitutils README to point to Antigen
*   8b47f27 Add 'src/Antigen/' from commit '69d2547f91a233e6002001e5ca149e8661a4716a'
|\  
| * 69d2547 fix build failure
| * 8fb27ab fix the CompileError for SVE
...
| * 2e497f1 Initial commit
* 942ef19 Change jitdiff parallelism from coreCount * 2 to coreCount (#436)

@kunalspathak
Initial commit
2e497f1
@kunalspathak
Added operators and prototype code
778ed08
@kunalspathak
int x = 1
bcb2e00
@kunalspathak
x = y
7a91e4c
@kunalspathak
x op y
e67a09c
@kunalspathak
Add .editorconfig
9575aca
@kunalspathak
if (cond) { ... } else { ... }
ddf0502
@kunalspathak
x = y /* S:Assign */
e71bf6d
@kunalspathak
for (...) { .. }
be7f632
@kunalspathak
do { .. } while (...)
120098c
@kunalspathak
/* S#xyz: stmt */
7afd12c
@kunalspathak
while (...) { .. }
dcc4898
@kunalspathak
struct X { ... }
083aeff
@kunalspathak
Add FindDiff() in DEBUG
2f0740a 
- Rename BaseMethod to TestMethod
@kunalspathak
Introduce Main()
0b6916a
@kunalspathak
fix compilation errors related to /, %, << and >>
b64ff5e
@kunalspathak
Introduce implicit/explicit conversion experiment
0ef4e93 
- Rename PrimitiveType enums to meaningful
@kunalspathak
Use CoreRun.exe to Verify
1345772
@kunalspathak
wip: Function call
f5c5541
@kunalspathak
Add COMPlus_* variables
fcdfd70
@kunalspathak
Option to pass CoreRun.exe
f8e8e46
@kunalspathak
Method signature
f88efd2
@kunalspathak
(x += y)
2c42e8d
@kunalspathak
initialize out params, return;
0289044
@kunalspathak
adjust weights
47a7964
@kunalspathak
Foo()
09b48cf
@kunalspathak
Ensure all generated methods are called
454c5a6
@kunalspathak
static variables, noinlining leaf method
7994f1a
@kunalspathak
wip:trimmer
625d594
@kunalspathak
working trimmer for statement
0efadd6
kunalspathak and others added 26 commits August 5, 2024 21:11
@kunalspathak
comment compiler error generation code
d8e5538
@kunalspathak
track hitcount
e97e92f
@kunalspathak
Implement Execution engine (dotnet#6)
b5746b6 
* Use Exection Engine to speed up execution

* fix bugs and pass environment variables

* make sure EEProxy is started

* Give credits to Fuzzlyn

* Use Execution Engine for Trimmer

* fix bug
@kunalspathak
revert unintended commit
9f1c2d2
@kunalspathak
Remove MidPointRounding
ff4825b
@kunalspathak
Keep just switches that are verified in CI (dotnet#7)
6b77042 
* Remove all the non-CI switches

* Add all CI switches
@kunalspathak
Add CSE support (dotnet#8)
ab23b2f
@kunalspathak
Save OutputMismatch in same folder
0fcd3bf
@kunalspathak
Make sure proxy is running
6bba212
@kunalspathak
catch exception, but return 0
d2e0c53
@kunalspathak
Out of proc Trimmer (dotnet#9)
7f81f23 
* In-built Trimmer

* Create Utilities project

* minor fixes
@kunalspathak
fix the trimmer.exe path for non-windows
591a146
@kunalspathak
fix trimmer bug
0f25c5e
@kunalspathak
Add option for RunOne
6c22f71
@kunalspathak
update some timeouts
4df63ef
@kunalspathak
Make Trimmer run for every issue when found
3eb01c2
@kunalspathak
Misc changes
8a50d5d
@kunalspathak
Fixed trimmer issue
26c1d67
@kunalspathak
Add SYSLIB5003 assembly for Sve experiemental
481b2a2
@kunalspathak
Make sure Antigen() stays in Trimmer
acc331f
@kunalspathak
Enable SVE
52810f6
@kunalspathak
Set Config.UseSve
3f0546a
@kunalspathak
fix the CompileError for SVE
8fb27ab
@kunalspathak
fix build failure
69d2547
@dhartglassMSFT
Add 'src/Antigen/' from commit '69d2547f91a233e6002001e5ca149e8661a47…
8b47f27 
…16a'

git-subtree-dir: src/Antigen
git-subtree-mainline: 942ef19
git-subtree-split: 69d2547
@dhartglassMSFT
Update jitutils README to point to Antigen
99674a2
AndyAyersMS
AndyAyersMS approved these changes May 29, 2026
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@AndyAyersMS AndyAyersMS left a comment

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Just a cursory review, since we want to import this as is.

@richlander
richlander merged commit 77a9ba7 into dotnet:main Jun 1, 2026
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@am11 am11 mentioned this pull request Jun 4, 2026
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@dhartglassMSFT @AndyAyersMS @richlander @kunalspathak