[NFC][PPC][AIX] Add stack frame layout diagram to PPCISelLowering.cpp
authorZarko Todorovski <zarko@ca.ibm.com>
Thu, 25 Jun 2020 13:40:44 +0000 (09:40 -0400)
committerZarko Todorovski <zarko@ca.ibm.com>
Thu, 25 Jun 2020 13:41:42 +0000 (09:41 -0400)
commite504a23b634dda6565e0bb58fb8ec6bd09c8d023
tree38a57fe8fdb1408ff7777146ed2142445f3daed0
parentc336f21af50a7d493fc521c624e4cbc1eea2849f
[NFC][PPC][AIX] Add stack frame layout diagram to PPCISelLowering.cpp

Summary:
This NFC patch adds a diagram of the AIX ABI stack frame layout.

Based on https://www.ibm.com/support/knowledgecenter/en/ssw_aix_72/assembler/idalangref_runtime_process.html

Reviewers: sfertile, cebowleratibm, hubert.reinterpretcast, Xiangling_L

Reviewed By: sfertile

Subscribers: wuzish, nemanjai, hiraditya, kbarton, llvm-commits

Tags: #powerpc, #llvm

Differential Revision: https://reviews.llvm.org/D82408
llvm/lib/Target/PowerPC/PPCISelLowering.cpp