Remove unused ShouldFoldAtomicFences flag.
authorTim Northover <Tim.Northover@arm.com>
Sat, 20 Apr 2013 12:32:43 +0000 (12:32 +0000)
committerTim Northover <Tim.Northover@arm.com>
Sat, 20 Apr 2013 12:32:43 +0000 (12:32 +0000)
commit8b71994fde0f0fcdf7a8260dc773fb7376b1231f
treed1f2a8fb857f69681fa26a311e1709a581cf6825
parent6265d5c91a18b2fb6499eb581c488315880c044d
Remove unused ShouldFoldAtomicFences flag.

I think it's almost impossible to fold atomic fences profitably under
LLVM/C++11 semantics. As a result, this is now unused and just
cluttering up the target interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179940 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Target/TargetLowering.h
lib/CodeGen/TargetLoweringBase.cpp
lib/Target/AArch64/AArch64ISelLowering.cpp
lib/Target/ARM/ARMISelLowering.cpp
lib/Target/X86/X86ISelLowering.cpp