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(parent: b493bd9) | patch
JIT: Handle promoted struct liveness updates in forward sub (#81789)
authorJakob Botsch Nielsen <Jakob.botsch.nielsen@gmail.com>
Wed, 8 Feb 2023 20:54:47 +0000 (21:54 +0100)
committerGitHub <noreply@github.com>
Wed, 8 Feb 2023 20:54:47 +0000 (21:54 +0100)
commita16133614cb1f7227bca2264cade9294c26d55f4
tree1813c0afe43e4b5f47d2097a8b7576aab618b757tree | snapshot
parentb493bd939bbf2440493f4d69ba3b20a166c1ea99commit | diff
JIT: Handle promoted struct liveness updates in forward sub (#81789)

This logic needed to be updated together with 7131ef9, without the
update we have a correctness bug.

The new correct and more precise unmarking also allows us to remove a
case from fgMakeOutgoingStructArgCopy. The case is covered by the
last-use optimization one now (specifically it was only happening for
some undone promotion cases).
src/coreclr/jit/forwardsub.cpp diff | blob | history
src/coreclr/jit/gentree.h diff | blob | history
src/coreclr/jit/morph.cpp diff | blob | history
Domain: Dotnet / Core;