[all-commits] [llvm/llvm-project] 30ad74: [ARM] Fix crash for gather of pointer costs.

[David Green via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 30ad7426442e6f029419366de8fe56eae529c00c
      https://github.com/llvm/llvm-project/commit/30ad7426442e6f029419366de8fe56eae529c00c
  Author: David Green <david.green at arm.com>
  Date:   2020-10-31 (Sat, 31 Oct 2020)

  Changed paths:
    M llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/ARM/mve-gather-scatter-cost.ll

  Log Message:
  -----------
  [ARM] Fix crash for gather of pointer costs.

If the elt size is unknown due to it being a pointer, a comparison
against 0 will cause an assert. Make sure the elt size is large enough
before comparing and for the moment just return the scalar cost.