[llvm-branch-commits] [llvm] release/18.x: [Mips] Fix missing sign extension in expansion of sub-word atomic max (#77072) (PR #84566)

[via llvm-branch-commits]

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@@ -2001,8 +2225,6 @@ define i16 @test_umax_16(ptr nocapture %ptr, i16 signext %val) {
 ; MIPSELR6-NEXT:  $BB6_1: # %entry
 ; MIPSELR6-NEXT:    # =>This Inner Loop Header: Depth=1
 ; MIPSELR6-NEXT:    ll $2, 0($6)
-; MIPSELR6-NEXT:    and $2, $2, $8
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yingopq wrote:

@topperc I have submit pr: https://github.com/llvm/llvm-project/pull/85902, please help review, thanks again.

https://github.com/llvm/llvm-project/pull/84566