[PATCH] D13511: [mips] Use correct frame register for DWARF info when dynamically realigning the stack.

[Vasileios Kalintiris via llvm-commits]

vkalintiris created this revision.
vkalintiris added a reviewer: dsanders.
vkalintiris added a subscriber: llvm-commits.

This patch overrides TargetFrameLowering::getFrameIndexReference() in order to
specify the correct register when the function needs dynamic stack realignment.
The values returned from this function are used in order to create DW_AT_locations
for DWARF info. These locations would use the wrong registers as it's been
reported in PR25028.

http://reviews.llvm.org/D13511

Files:
  lib/Target/Mips/MipsSEFrameLowering.cpp
  lib/Target/Mips/MipsSEFrameLowering.h
  test/CodeGen/Mips/dynamic-stack-realignment-dwarf.ll

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