[PATCH] D86393: [GISel] Add combines for unary FP instrs with constant operand

[Michael Kitzan via Phabricator via llvm-commits]

mkitzan updated this revision to Diff 290001.
mkitzan added a comment.

- Added `LLT` helper function to get float semantic from scalar `LLT` (IEEE fp semantics only at the moment)
- Updated `constantFoldFpUnary` to use the new helper function
- Rebased / fixed merge conflicts


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D86393/new/

https://reviews.llvm.org/D86393

Files:
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/include/llvm/CodeGen/LowLevelType.h
  llvm/include/llvm/Target/GlobalISel/Combine.td
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/lib/CodeGen/LowLevelType.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/combine-fabs.mir
  llvm/test/CodeGen/AArch64/GlobalISel/combine-flog2.mir
  llvm/test/CodeGen/AArch64/GlobalISel/combine-fneg.mir
  llvm/test/CodeGen/AArch64/GlobalISel/combine-fptrunc.mir
  llvm/test/CodeGen/AArch64/GlobalISel/combine-fsqrt.mir

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