[PATCH] D32391: [SelectionDAG] Improve support for promotion of <1 x fX> floating point argument types (PR31008

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.

PR31008 demonstrated that we were assuming that only integers require promotion from <1 x iX> types, when in fact float types may require it as well - in this case half floats.

This patch adds support for extension/truncation for both integer and float types.


Repository:
  rL LLVM

https://reviews.llvm.org/D32391

Files:
  include/llvm/CodeGen/SelectionDAG.h
  lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  test/CodeGen/X86/pr31088.ll

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