[llvm] [LV] Invalidate SCEV values in the scalar loop after loop vectorization (PR #69886)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,35 @@
+; RUN: opt -passes="require<scalar-evolution>,print<scalar-evolution>,loop-vectorize" --verify-scev --verify-scev-strict -S < %s | FileCheck %s
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
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fhahn wrote:

Does this test require the x86 target? If so, it needs to be moved to the `X86` sub-directory. But it is probably sufficient to pass something like `-force-vector-width=4 -force-vector-interleave=1`  to force vectorization without target triple.

https://github.com/llvm/llvm-project/pull/69886