Florian Hahn 9928b761ce [VPLAN] Minor improvement to testing and debug messages.
1. Use computed VF for stress testing.
2. If the computed VF does not produce vector code (VF smaller than 2), force VF to be 4.
3. Test vectorization of i64 data on AArch64 to make sure we generate VF != 4 (on X86 that was already tested on AVX).

Patch by Francesco Petrogalli <francesco.petrogalli@arm.com>

Differential Revision: https://reviews.llvm.org/D59952

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358056 91177308-0d34-0410-b5e6-96231b3b80d8
2019-04-10 08:17:28 +00:00
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