[llvm] [InstCombine] Fold `fcmp pred sqrt(X), 0.0 -> fcmp pred2 X, 0.0` (PR #101626)

[Matt Arsenault via llvm-commits]

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@@ -2117,3 +2117,175 @@ define <8 x i1> @fcmp_ogt_fsub_const_vec_denormal_preserve-sign(<8 x float> %x,
   %cmp = fcmp ogt <8 x float> %fs, zeroinitializer
   ret <8 x i1> %cmp
 }
+
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arsenm wrote:

Should still test with -0 , canonical or not 

https://github.com/llvm/llvm-project/pull/101626