llvm/test/MC/AMDGPU/gfx12_asm_sopk_alias.s - llvm-project - Git at Google

 // RUN: llvm-mc -triple=amdgcn -show-encoding -mcpu=gfx1200 %s | FileCheck --check-prefix=GFX12 %s

 s_addk_i32 s0, 0x1234
 // GFX12: s_addk_co_i32 s0, 0x1234                ; encoding: [0x34,0x12,0x80,0xb7]
	// RUN: llvm-mc -triple=amdgcn -show-encoding -mcpu=gfx1200 %s \| FileCheck --check-prefix=GFX12 %s

	s_addk_i32 s0, 0x1234
	// GFX12: s_addk_co_i32 s0, 0x1234 ; encoding: [0x34,0x12,0x80,0xb7]