[PATCH] D109883: [Analysis] Add support for vscale in computeKnownBitsFromOperator

[David Sherwood via Phabricator via llvm-commits]

david-arm updated this revision to Diff 373516.
david-arm added a comment.
Herald added a subscriber: dexonsmith.

- Added new trivial function KnownBits::makeConstant(uint64_t) and changed ValueTracking code to use it.
- Added simple test for a vscale constant.
- Added comments to min == max case.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109883/new/

https://reviews.llvm.org/D109883

Files:
  clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_cntb.c
  clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_cntd.c
  clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_cnth.c
  clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_cntw.c
  clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_len-bfloat.c
  clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_len.c
  llvm/include/llvm/Support/KnownBits.h
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Transforms/InstCombine/icmp-vscale.ll
  llvm/test/Transforms/InstSimplify/vscale.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll

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