[PATCH] [ARM] Fix offset calculation in ARMBaseRegisterInfo::needsFrameBaseReg

[John Brawn]

The input offset to needsFrameBaseReg is a negative value below the top of the stack frame, but when converting to a positive offset from the bottom of the stack frame this value was negated, causing the final offset to be too large by twice the input offset's magnitude. Fix that by not negating the offset.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D8316

Files:
  lib/Target/ARM/ARMBaseRegisterInfo.cpp
  test/CodeGen/ARM/ssp-data-layout.ll
  test/CodeGen/Thumb/stack-access.ll

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D8316.21920.patch
Type: text/x-patch
Size: 5011 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20150313/2cb3cd60/attachment.bin>