commit	aef1dfc690adc6478efcd059bdbb65d0195082b8	[log] [tgz]
author	Daniel Sanders <daniel_l_sanders@apple.com>	Thu Nov 30 20:11:42 2017 +0000
committer	Daniel Sanders <daniel_l_sanders@apple.com>	Thu Nov 30 20:11:42 2017 +0000
tree	93e7e991529cc394ef6593a962e1217705fd88e1
parent	d78d65c2a4eed16b273c214d24f5d5f55ce31d52 [diff]

[aarch64][globalisel] Legalize G_ATOMIC_CMPXCHG_WITH_SUCCESS and G_ATOMICRMW_*

G_ATOMICRMW_* is generally legal on AArch64. The exception is G_ATOMICRMW_NAND.

G_ATOMIC_CMPXCHG_WITH_SUCCESS needs to be lowered to G_ATOMIC_CMPXCHG with an
external comparison.

Note that IRTranslator doesn't generate these instructions yet.

llvm-svn: 319466

llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h[diff]
llvm/include/llvm/CodeGen/TargetOpcodes.def[diff]
llvm/include/llvm/Target/GenericOpcodes.td[diff]
llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp[diff]
llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp[diff]
llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp[diff]
llvm/test/CodeGen/AArch64/GlobalISel/legalize-cmpxchg-with-success.mir[Added - diff]

7 files changed

tree: 93e7e991529cc394ef6593a962e1217705fd88e1

clang/
clang-tools-extra/
compiler-rt/
debuginfo-tests/
libclc/
libcxx/
libcxxabi/
libunwind/
lld/
lldb/
llgo/
llvm/
openmp/
parallel-libs/
polly/
README.md

README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.