[llvm] [VPlan] Make canonical IV part of the region (PR #156262)

[via llvm-commits]

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@@ -19,7 +19,7 @@
 
 define i32 @reduction(ptr %a, i64 %n, i32 %start) {
 ; IF-EVL: VPlan 'Initial VPlan for VF={1},UF>=1'
-; IF-EVL-NOT: CURRENT-ITERATION-PHI
+; IF-EVL-NOT: EXPLICIT-VECTOR-LENGTH-BASED-IV-PHI
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ayalz wrote:

??

https://github.com/llvm/llvm-project/pull/156262