[llvm] [AMDGPU] Remove definition of hi16 for scalar registers (PR #197467)

[Igor Wodiany via llvm-commits]

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@@ -40,8 +40,7 @@ TEST_F(AMDGPUTestBase, TestWave64DwarfRegMapping) {
         }
 
         // Verify that subregisters have no dwarf encoding.
-        for (MCRegister LLSubReg :
-             {AMDGPU::VGPR1_LO16, AMDGPU::AGPR1_HI16, AMDGPU::SGPR1_HI16}) {
+        for (MCRegister LLSubReg : {AMDGPU::VGPR1_LO16}) {
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IgWod wrote:

Done, I've kept VGPR_LO16 as well.

https://github.com/llvm/llvm-project/pull/197467