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(parent: 4925653) | patch
[X86][x32] Save callee-save register used as base pointer for x32 ABI
authorDerek Schuff <dschuff@google.com>
Fri, 2 Mar 2018 17:46:39 +0000 (17:46 +0000)
committerDerek Schuff <dschuff@google.com>
Fri, 2 Mar 2018 17:46:39 +0000 (17:46 +0000)
commit57feeed3076137da48c43010130eddbb8e81cb54
tree964b051cb0612658345e22886c5c5e03680bf9d4tree | snapshot
parent4925653555942acbafbb936ccf81cc6e5b384868commit | diff
[X86][x32] Save callee-save register used as base pointer for x32 ABI

For the x32 ABI, since the base pointer register (EBX) is a callee save register
it should be saved before use.

This fixes https://bugs.llvm.org/show_bug.cgi?id=36011

Differential Revision: https://reviews.llvm.org/D42358

Patch by Pratik Bhatu

llvm-svn: 326593
llvm/lib/Target/X86/X86FrameLowering.cpp diff | blob | history
llvm/test/CodeGen/X86/x86-64-baseptr.ll diff | blob | history
Domain: System / Toolchain;