[llvm] [CodeGen] Combine two loops in SlotIndexes.cpp file (PR #127631)

[via llvm-commits]

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@@ -1145,18 +1158,31 @@ entry:
 }
 
 define arm_aapcs_vfpcc <8 x half> @shuffle3_f16(<8 x half> %src) {
-; CHECK-LABEL: shuffle3_f16:
-; CHECK:       @ %bb.0: @ %entry
-; CHECK-NEXT:    vmovx.f16 s5, s3
-; CHECK-NEXT:    vmovx.f16 s6, s1
-; CHECK-NEXT:    vmovx.f16 s4, s0
-; CHECK-NEXT:    vins.f16 s1, s0
-; CHECK-NEXT:    vins.f16 s6, s4
-; CHECK-NEXT:    vins.f16 s5, s3
-; CHECK-NEXT:    vmov.f32 s4, s2
-; CHECK-NEXT:    vmov.f32 s7, s1
-; CHECK-NEXT:    vmov q0, q1
-; CHECK-NEXT:    bx lr
+; CHECK-LV-LABEL: shuffle3_f16:
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Rifet-c wrote:

So, @arsenm, do you want me to investigate the output change further or is this explanation good enough?

https://github.com/llvm/llvm-project/pull/127631