[llvm] [CodeGen] MachineVerifier to check early-clobber constraint (PR #151421)

[Abhay Kanhere via llvm-commits]

AbhayKanhere wrote:

This exposed more test fails someone with AMDGPU knowledge should look into whether this is expected. !
@mbrkusanin @amd-arsuresh @arsenm  ? Who can help me naviagte these AMD GPU tests updates. 

2025-08-04T18:08:20.5815070Z Failed Tests (10):
LLVM :: CodeGen/AMDGPU/GlobalISel/mul-known-bits.i64.ll
LLVM :: CodeGen/AMDGPU/GlobalISel/mul.ll
LLVM :: CodeGen/AMDGPU/GlobalISel/sdiv.i64.ll
LLVM :: CodeGen/AMDGPU/GlobalISel/sdivrem.ll
LLVM :: CodeGen/AMDGPU/GlobalISel/srem.i64.ll
LLVM :: CodeGen/AMDGPU/GlobalISel/udivrem.ll
LLVM :: CodeGen/AMDGPU/div_v2i128.ll
LLVM :: CodeGen/AMDGPU/fptoi.i128.ll
LLVM :: CodeGen/AMDGPU/integer-mad-patterns.ll
LLVM :: CodeGen/AMDGPU/vector-reduce-mul.ll

https://github.com/llvm/llvm-project/pull/151421