[llvm] [LV] Update LoopVectorizationPlanner::emitInvalidCostRemarks to handle reduction plans (PR #165913)

[Ryan Buchner via llvm-commits]

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@@ -0,0 +1,159 @@
+; RUN: opt < %s -passes=loop-vectorize -S -pass-remarks=loop-vectorize 2>%t
+; RUN: cat %t | FileCheck --check-prefix=CHECK-REMARKS %s
+
+; CHECK-REMARKS: remark: repro.f90:9:5: vectorized loop (vectorization width: vscale x 2, interleaved count: 2)
+
+; ModuleID = 'FIRModule'
+source_filename = "FIRModule"
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32"
+target triple = "aarch64-unknown-linux-gnu"
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bababuck wrote:

Moved to AArch64 folder. Played around with the knobs but couldn't reproduce with the `force` knobs.

https://github.com/llvm/llvm-project/pull/165913