[llvm] [VPlan] Extend licm to hoist replicate loads (PR #179506)

[Andrei Elovikov via llvm-commits]

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@@ -196,30 +196,30 @@ define i32 @test_chained_first_order_recurrences_4(ptr %base, i64 %x) {
 ; CHECK-NEXT:  Successor(s): scalar.ph, vector.ph
 ; CHECK-EMPTY:
 ; CHECK-NEXT:  vector.ph:
-; CHECK-NEXT:    EMIT vp<[[VP3:%[0-9]+]]> = shl ir<%x>, ir<1>
 ; CHECK-NEXT:  Successor(s): vector loop
 ; CHECK-EMPTY:
 ; CHECK-NEXT:  <x1> vector loop: {
 ; CHECK-NEXT:    vector.body:
-; CHECK-NEXT:      EMIT vp<[[VP4:%[0-9]+]]> = CANONICAL-INDUCTION ir<0>, vp<%index.next>
-; CHECK-NEXT:      FIRST-ORDER-RECURRENCE-PHI ir<%for.x> = phi ir<0>, vp<[[VP3]]>
+; CHECK-NEXT:      EMIT vp<[[VP3:%[0-9]+]]> = CANONICAL-INDUCTION ir<0>, vp<%index.next>
+; CHECK-NEXT:      FIRST-ORDER-RECURRENCE-PHI ir<%for.x> = phi ir<0>, vp<[[VP5:%[0-9]+]]>
 ; CHECK-NEXT:      FIRST-ORDER-RECURRENCE-PHI ir<%for.y> = phi ir<0>, ir<%for.x.prev>
-; CHECK-NEXT:      vp<[[VP5:%[0-9]+]]> = SCALAR-STEPS vp<[[VP4]]>, ir<1>, vp<[[VP0]]>
-; CHECK-NEXT:      CLONE ir<%gep> = getelementptr ir<%base>, vp<[[VP5]]>
-; CHECK-NEXT:      EMIT vp<[[VP6:%[0-9]+]]> = first-order splice ir<%for.x>, vp<[[VP3]]>
+; CHECK-NEXT:      vp<[[VP4:%[0-9]+]]> = SCALAR-STEPS vp<[[VP3]]>, ir<1>, vp<[[VP0]]>
+; CHECK-NEXT:      CLONE ir<%gep> = getelementptr ir<%base>, vp<[[VP4]]>
+; CHECK-NEXT:      EMIT vp<[[VP5]]> = shl ir<%x>, ir<1>
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eas wrote:

This seems to be a regression.

https://github.com/llvm/llvm-project/pull/179506