[AArch64] Remove incorrect zero element insert-bitcast patterns
authorDavid Green <david.green@arm.com>
Tue, 27 Sep 2022 16:08:17 +0000 (17:08 +0100)
committerDavid Green <david.green@arm.com>
Tue, 27 Sep 2022 16:08:17 +0000 (17:08 +0100)
commit401481daac909131762a68f177ba612b507c6e85
tree5d6f818f7bdb17ab2fa022f5f48843f0ec157d80
parentf50a7c7a26e074231cc9a60a3fcaef7520ceb67f
[AArch64] Remove incorrect zero element insert-bitcast patterns

These two patterns are not working as intended, as shown in D134022.
They need to insert the value into the new register, not override it.
llvm/lib/Target/AArch64/AArch64InstrInfo.td
llvm/test/CodeGen/AArch64/neon-insextbitcast.ll