[PATCH] D39696: [MIRPrinter] Use %subreg.xxx syntax for subregister index operands

[Bjorn Pettersson via Phabricator via llvm-commits]

bjope created this revision.
Herald added subscribers: javed.absar, nhaehnle.

Print %subreg.<subregidxname> instead of just the subregister
index when printing immediate operands corresponding to subreg
indices in INSERT_SUBREG, EXTRACT_SUBREG, SUBREG_TO_REG and
REG_SEQUENCE.


https://reviews.llvm.org/D39696

Files:
  include/llvm/CodeGen/MachineInstr.h
  lib/CodeGen/MIRPrinter.cpp
  test/CodeGen/AArch64/GlobalISel/select-insert-extract.mir
  test/CodeGen/AArch64/GlobalISel/select-int-ext.mir
  test/CodeGen/AMDGPU/GlobalISel/inst-select-load-smrd.mir
  test/CodeGen/AMDGPU/detect-dead-lanes.mir
  test/CodeGen/AMDGPU/opt-sgpr-to-vgpr-copy.mir
  test/CodeGen/MIR/X86/subregister-index-operands.mir
  test/CodeGen/X86/GlobalISel/select-cmp.mir
  test/CodeGen/X86/GlobalISel/select-copy.mir
  test/CodeGen/X86/GlobalISel/select-ext-x86-64.mir
  test/CodeGen/X86/GlobalISel/select-ext.mir
  test/CodeGen/X86/GlobalISel/select-intrinsic-x86-flags-read-u32.mir

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