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(parent: fe14a33) | patch
[ARM] Don't generate clrex for pre-v7 targets.
authorAhmed Bougacha <ahmed.bougacha@gmail.com>
Sat, 26 Sep 2015 00:14:02 +0000 (00:14 +0000)
committerAhmed Bougacha <ahmed.bougacha@gmail.com>
Sat, 26 Sep 2015 00:14:02 +0000 (00:14 +0000)
commit8e43417d2f59387b31b5aa0b291d53d8681c0752
tree62d68ab74b7d857e4bb2ec75184a865d35b67713tree | snapshot
parentfe14a332e4dfe559ea7dab9862579e455ef8b940commit | diff
[ARM] Don't generate clrex for pre-v7 targets.

Since r248294, we emit clrex, but it doesn't exist on v6.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248640 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMISelLowering.cpp diff | blob | history
test/CodeGen/ARM/atomic-cmpxchg.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors