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

[Joe Nash 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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Sisyph wrote:

It looks like in gfx11, we have moved the tests with opsel from gfx11_asm_vop3.s to gfx11_asm_opsel.s. That seems ok to me. In gfx12 though, we still have the op_sel tests in gfx12_asm_vop3.s. So perhaps this test file is not needed?

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