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[FPSAN] Fix crash on incorrect layout for tmem copy#10046

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lezcano merged 2 commits into
triton-lang:mainfrom
pawelszczerbuk:pawel/fpsan_tmem_copy_layout
Apr 16, 2026
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[FPSAN] Fix crash on incorrect layout for tmem copy#10046
lezcano merged 2 commits into
triton-lang:mainfrom
pawelszczerbuk:pawel/fpsan_tmem_copy_layout

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TMEMCopy pattern is using stale tmem encoding. This may cause a crash in the validator if the encodings mismatch.

root and others added 2 commits April 15, 2026 15:17
Compute the local load layout for tmem copy instrumentation in the current rewrite context instead of reusing cached destination scratch metadata from a different warp scope.

Co-authored-by: Codex <noreply@openai.com>
@lezcano lezcano enabled auto-merge (squash) April 16, 2026 06:38
@lezcano lezcano merged commit 746064c into triton-lang:main Apr 16, 2026
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raymondtay pushed a commit to raymondtay/triton that referenced this pull request Apr 18, 2026
TMEMCopy pattern is using stale tmem encoding. This may cause a crash in
the validator if the encodings mismatch.

---------

Co-authored-by: root <root@codex-gb200-0.brix.pawelszczerbuk.svc.cluster.local>
Co-authored-by: Codex <noreply@openai.com>
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3 participants