[PATCH] D21689: [mips] Optimize materialization of i64 constants

[Simon Dardis via llvm-commits]

sdardis created this revision.
sdardis added a reviewer: dsanders.
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Herald added a reviewer: vkalintiris.
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Avoid MipsAnalyzeImmediate usage if the constant fits in an 32-bit
integer. This allows us to generate the same instructions for the
materialization of the same constants regardless the width of their
type.

Patch by: Vasileios Kalintiris

Contributions by: Simon Dardis

Repository:
  rL LLVM

http://reviews.llvm.org/D21689

Files:
  lib/Target/Mips/MicroMips64r6InstrInfo.td
  lib/Target/Mips/MicroMipsInstrInfo.td
  lib/Target/Mips/Mips64InstrInfo.td
  lib/Target/Mips/MipsInstrInfo.td
  lib/Target/Mips/MipsSEISelDAGToDAG.cpp
  test/CodeGen/Mips/cmov.ll
  test/CodeGen/Mips/fcmp.ll
  test/CodeGen/Mips/llvm-ir/add.ll
  test/CodeGen/Mips/llvm-ir/and.ll
  test/CodeGen/Mips/llvm-ir/lshr.ll
  test/CodeGen/Mips/llvm-ir/ret.ll
  test/CodeGen/Mips/llvm-ir/select-int.ll
  test/CodeGen/Mips/llvm-ir/shl.ll
  test/CodeGen/Mips/mips64imm.ll

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