[PATCH] D69013: [AArch64] Don't assume __powidf2 is available on Windows.

[Eli Friedman via Phabricator via llvm-commits]

efriedma created this revision.
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We had some code for this for 32-bit ARM, but this doesn't really need to be in target-specific code; generalize it.

Not sure if we also need this for x86; I would guess we do, but I haven't tried.

(I think this started showing up recently because we added an optimization that converts pow to powi.)


Repository:
  rL LLVM

https://reviews.llvm.org/D69013

Files:
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.cpp
  test/CodeGen/AArch64/powi-windows.ll

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