[llvm] [VPlan] Collect FOR PHIs before sinking/hoisting recurrence users (PR #194671)

[Florian Hahn via llvm-commits]

================
@@ -0,0 +1,99 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 6
+; RUN: opt < %s -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -vplan-print-after=printOptimizedVPlan -disable-output 2>&1 | FileCheck %s
----------------
fhahn wrote:

there should be no need for `<`
```suggestion
; RUN: opt %s -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -vplan-print-after=printOptimizedVPlan -disable-output 2>&1 | FileCheck %s
```

https://github.com/llvm/llvm-project/pull/194671