[PATCH] D55292: [mips][mc] Emit R_{MICRO}MIPS_JALR when expanding jal to jalr

[Vladimir Stefanovic via Phabricator via llvm-commits]

vstefanovic created this revision.
vstefanovic added a reviewer: atanasyan.
Herald added subscribers: jrtc27, arichardson, sdardis.

When replacing jal with jalr, also emit '.reloc R_MIPS_JALR' (R_MICROMIPS_JALR
for micromips).
The linker might then be able to turn jalr into a direct call.
Add '-mips-jalr-reloc' to enable/disable this feature (default is true).


Repository:
  rL LLVM

https://reviews.llvm.org/D55292

Files:
  lib/Target/Mips/AsmParser/MipsAsmParser.cpp
  test/MC/Mips/expansion-jal-sym-pic.s

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