[llvm] [InstCombine] Simplify phi using KnownBits of condition (PR #134712)

[David Green via llvm-commits]

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@@ -7,10 +7,6 @@ target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
 target triple = "aarch64--linux-gnu"
 
 ; CHECK-COST-LABEL: sadd
-; CHECK-COST: Found an estimated cost of 6 for VF 1 For instruction:   %1 = tail call i16 @llvm.sadd.sat.i16(i16 %0, i16 %offset)
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davemgreen wrote:

Why are these removed?

https://github.com/llvm/llvm-project/pull/134712