[llvm] [AMDGPU][True16][MC] VOP3 profile in True16 format (PR #109031)

[Brox Chen via llvm-commits]

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+// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize32,+real-true16 -show-encoding %s | FileCheck --check-prefixes=GFX12 %s
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broxigarchen wrote:

Should I move remove op_sel from gfx12_asm_vop3.s just like in gfx11?

https://github.com/llvm/llvm-project/pull/109031