Enable runtime async via compiler intrinsics - #20235

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majocha wants to merge 103 commits into

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majocha:runtime-async-intrinsic

Commits on Aug 8, 2026

docs
majocha
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15fff46
feature
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0cc2108
tests
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719d00f
surface area
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f9bb483
rns
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dfe4109
merge main
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b06dd3d
translations
majocha
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e4eb267
add pr numbers
majocha
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38578d4
Restore F# 11.0 feature registrations dropped when adding RuntimeAsync; add Language preview release notes

majocha
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Copilot
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caaad4d
surface area
majocha
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48d1691

Commits on Aug 13, 2026

Merge branch 'main' into runtime-async-intrinsic
majocha
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eb32d05

Commits on Aug 18, 2026

test: runtime-async edge-case suite (runtime behavior + emitted IL)

T-Gro
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Copilot
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1961943
Make composed runtime-async exhibits self-prove the async impl flag

T-Gro
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Copilot
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31889ba

Commits on Aug 20, 2026

Merge branch 'main' into runtime-async-intrinsic
majocha
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d29dc42
Merge branch 'main' into runtime-async-intrinsic
majocha
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ca0ca40
restrict to net10, rename to __runtimeAsyncReturn
majocha
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6f8cadc

Commits on Aug 21, 2026

ns surfacearea
majocha
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d5bd674
Merge branch 'runtime-async-edge-tests' of https://github.com/T-Gro/fsharp into runtime-async-intrinsic
majocha
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19117fe
adjust edge case tests to name change and net10 FSharp.Core
majocha
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5154fa9
rewrite runtime async exception handling blocks during optimization
majocha
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b645d98
fix surface area
majocha
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d50c33c
Merge branch 'main' into runtime-async-intrinsic
majocha
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b9f9ef9

Commits on Aug 22, 2026

surf
majocha
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27944e7
do not emit .tail in runtime async methods
majocha
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1d6f3b8
error on AsyncHelpers use outside of async method
majocha
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7738664
add non-preservable-value diagnostics
majocha
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6f2338d

Commits on Aug 23, 2026

make it work in debug
majocha
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25e87ba
fix regressed
majocha
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34060f9

Commits on Aug 24, 2026

fix diag codes
majocha
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a88067d
Merge branch 'main' into runtime-async-intrinsic
majocha
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434723c
Merge branch 'main' into runtime-async-intrinsic
majocha
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13be6c9
refactor and fix non preservables analysis
majocha
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f0eb291
Merge branch 'main' into runtime-async-intrinsic
majocha
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4a46435
refactor
majocha
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bbdab2b

Commits on Aug 25, 2026

Merge branch 'main' into runtime-async-intrinsic
majocha
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13040a9

Commits on Aug 26, 2026

handle the rest of supported types
majocha
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54e5f81
Merge branch 'runtime-async-intrinsic' of https://github.com/majocha/fsharp into runtime-async-intrinsic
majocha
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48eb5c3
add to surface area
majocha
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74f02b6
use active pattern
majocha
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096b2c1
simplify
majocha
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3cd6164
simplify
majocha
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cf3187b
update to supporting ildasm version
majocha
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398ad53
handle local mutables
majocha
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e1a6a5c
Revert "update to supporting ildasm version"
majocha
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3a0b2b9
Merge branch 'main' into runtime-async-intrinsic
majocha
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31aff2e
Merge branch 'main' into runtime-async-intrinsic
majocha
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a9b9311
Merge branch 'main' into runtime-async-intrinsic
majocha
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039e88b
add some IAsyncEnumerable tests
majocha
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8ca1f2e
test basic AsyncLocal propagation
majocha
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51705d9

Commits on Aug 27, 2026

Merge branch 'main' into runtime-async-intrinsic
majocha
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eb3b18c

Commits on Aug 28, 2026

format fixture and some cleanup
majocha
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d6f1bad

Commits on Aug 30, 2026

Merge branch 'main' into runtime-async-intrinsic
majocha
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9f2989c
Refactor runtime async optimizer helpers
majocha
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8880d1e

Commits on Sep 1, 2026

Merge branch 'main' into runtime-async-intrinsic
majocha
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a97213c
Fix runtime async fragment fusion
majocha
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b14385a
Synchronize runtime async documentation
majocha
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3ca8b3d
Merge branch 'main' into runtime-async-intrinsic
majocha
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73002de
fix merge
majocha
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e999079
add sample asyncSeq builder
majocha
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f32ef09
Fix runtime async lambda fragment fusion

majocha
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Copilot
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5fd7474

Commits on Sep 2, 2026

Fix no-opt runtime async recursive inlining

majocha
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Copilot
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925558c
Refactor runtime async boundary analysis
majocha
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0584823
Add runtime async module signatures
majocha
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93066e7
Merge branch 'main' into runtime-async-intrinsic
majocha
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2aafc4b
reenable more ported tests
majocha
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bf4fdf9
reduce diff
majocha
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ef91fb3
refactor
majocha
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2ce231a
format
majocha
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65454ab
update doc
majocha
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bc8e74c

Commits on Sep 3, 2026

cleanup
majocha
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6f58b8f
improve debug stepping
majocha
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52deaff

Commits on Sep 7, 2026

merge main
majocha
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e33dabe
Merge branch 'main' into runtime-async-intrinsic
majocha
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d2d7555

Commits on Sep 8, 2026

icrease pool size brcause for debug runs
majocha
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97bfa0e
add failing code to test fixture
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24e3f3f
disalow runtime async fragments in ComputeSplitToMethodCondition
majocha
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c0d0299

Commits on Sep 9, 2026

Commits on Sep 10, 2026

Merge branch 'main' into runtime-async-intrinsic
majocha
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382ae42
Merge branch 'main' into runtime-async-intrinsic
majocha
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8c9cc48

Commits on Sep 11, 2026

review: add failing test cases
majocha
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6fa01aa
update debug surface area
majocha
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004f393
address review
majocha
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0f4e602
Merge branch 'main' into runtime-async-intrinsic
majocha
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808d9e6

Commits on Sep 13, 2026

cleanup test RuntimeTaskBuilder
majocha
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d2ab578
update test baselines
majocha
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9899f00

Commits on Sep 14, 2026

cleanup
majocha
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b004333
Synchronize Debug Core surface baseline

perf-bundle
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Copilot
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7ec8207
Prototype direct runtime-async sequences

perf-bundle
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Copilot
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a819910
Avoid forcing no-inlining on runtime async methods
majocha
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ecb965d
Merge branch 'main' into runtime-async-intrinsic
majocha
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d9bec0f

Commits on Sep 15, 2026

Prevent cross-assembly inlining of runtime async methods
majocha
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45f19a8
Remove redundant runtime async compiler attribute
majocha
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4dd3acc
Remove avoidable runtime-async sequence overhead

perf-bundle
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Copilot
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9aa1db3
Merge branch 'main' into runtime-async-intrinsic
majocha
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87fccf8
merge built-in asyncSeq
majocha
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2392cfd
add review-based test cases
majocha
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86d9b9c
fix reraise in eh rewrite
majocha
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8ba10fc
Gate piped runtime async intrinsics
majocha
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4ee7f96
Fix runtime async gating without optimization
majocha
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8315f6e