Revert "ARM-Darwin: keep the frame register reserved even if not updated."
authorAlina Sbirlea <asbirlea@google.com>
Fri, 6 Dec 2019 18:37:02 +0000 (10:37 -0800)
committerAlina Sbirlea <asbirlea@google.com>
Fri, 6 Dec 2019 18:59:26 +0000 (10:59 -0800)
commitc7faa6814248cf2443cce856a74247fc70699f98
treefd230c6639250a59bd70bc618c80df39ac4ea9fd
parent7ff0fcb53f6e71bc22d37494fdfa68bbf2d3709b
Revert "ARM-Darwin: keep the frame register reserved even if not updated."

This reverts commit a7d90af1be48234ce583e00fb16e33633d44ae38.

This revision came back as the root-cause for crashes in internal
ARM-IOS apps.
Reproducer in https://bugs.llvm.org/show_bug.cgi?id=44231.
llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp
llvm/test/CodeGen/ARM/r7-fixed-darwin.ll [deleted file]
llvm/test/CodeGen/Thumb/long.ll
llvm/test/CodeGen/Thumb2/2010-03-15-AsmCCClobber.ll