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[AArch64] Set i32 ISD::MULHU/S to Expand instead of Legal.
authorCraig Topper <craig.topper@gmail.com>
Tue, 26 May 2020 06:59:00 +0000 (23:59 -0700)
committerCraig Topper <craig.topper@gmail.com>
Tue, 26 May 2020 07:41:09 +0000 (00:41 -0700)
commit80cc43b420a8ab8648f44fbb554b483a2998712d
treea5233b1624ca1d847b4db46b58f03f1354154470tree | snapshot
parent1f72d5880e332dfbd36c22388d2b72bd2bd70411commit | diff
[AArch64] Set i32 ISD::MULHU/S to Expand instead of Legal.

Looks like there are no isel patterns for these. A DAG combine
turns it into i64 multiply and a shift which hides this.

Extracted from D80485
llvm/lib/Target/AArch64/AArch64ISelLowering.cpp diff | blob | history
Domain: System / Toolchain;