[PATCH] D11622: [NVPTX] allow register copy between float and int

[Jingyue Wu]

jingyue created this revision.
jingyue added a reviewer: jholewinski.
jingyue added subscribers: bruno, llvm-commits.
Herald added a subscriber: jholewinski.

Fixes PR24303. With Bruno's WIP (D11197) on PeepholeOptimizer, across-class
register copying (e.g. i32 to f32) becomes possible. Enhance
NVPTXInstrInfo::copyPhysReg to handle these cases.

http://reviews.llvm.org/D11622

Files:
  lib/Target/NVPTX/NVPTXInstrInfo.cpp
  test/CodeGen/NVPTX/reg-copy.ll

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