[llvm] [VPlan] Sink single-scalar VPI to replicate regions (PR #208906)

[Luke Lau via llvm-commits]

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@@ -7,7 +7,6 @@ define void @loop_invariant_as_cast(ptr addrspace(1) %in) {
 ; CHECK-NEXT:  [[ENTRY:.*:]]
 ; CHECK-NEXT:    br label %[[VECTOR_PH:.*]]
 ; CHECK:       [[VECTOR_PH]]:
-; CHECK-NEXT:    [[TMP4:%.*]] = addrspacecast ptr addrspace(1) [[IN]] to ptr
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lukel97 wrote:

This is sinking from the preheader, which isn't profitable either

https://github.com/llvm/llvm-project/pull/208906