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(parent: 33afea5) | patch
[ARM] Prevent large integer VQDMULH pattern crashes
authorDavid Green <david.green@arm.com>
Sat, 18 Sep 2021 17:47:02 +0000 (18:47 +0100)
committerDavid Green <david.green@arm.com>
Sat, 18 Sep 2021 17:47:02 +0000 (18:47 +0100)
commitcb5e3f79592416cc5c1413655eddc641b1dae920
treea2dc39133e979cc52b66cf1e40aa035376e9fe7atree | snapshot
parent33afea548892b2e7f0f7636ab17367da59f42c4acommit | diff
[ARM] Prevent large integer VQDMULH pattern crashes

Put a limit on the size of constant integers we test when looking for
VQDMULH, to prevent it from crashing from values more than 64bits.
llvm/lib/Target/ARM/ARMISelLowering.cpp diff | blob | history
llvm/test/CodeGen/Thumb2/mve-vqdmulh.ll diff | blob | history
Domain: System / Toolchain;