[llvm] [AMDGPU] Analyze REG_SEQUENCE To Remove Redundant CMP Instructions (PR #167364)

[Patrick Simmons via llvm-commits]

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@@ -2701,12 +2697,10 @@ define amdgpu_kernel void @srem_v2i64(ptr addrspace(1) %out, ptr addrspace(1) %i
 ; GCN-NEXT:    s_waitcnt vmcnt(0)
 ; GCN-NEXT:    v_readfirstlane_b32 s11, v5
 ; GCN-NEXT:    v_readfirstlane_b32 s10, v4
-; GCN-NEXT:    s_or_b64 s[6:7], s[10:11], s[8:9]
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linuxrocks123 wrote:

Hi @LU-JOHN yes this is broken.

https://github.com/llvm/llvm-project/pull/167364