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author | Tim Northover <Tim.Northover@arm.com> | 2013-04-20 12:32:43 +0000 |
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committer | Tim Northover <Tim.Northover@arm.com> | 2013-04-20 12:32:43 +0000 |
commit | 8b71994fde0f0fcdf7a8260dc773fb7376b1231f (patch) | |
tree | d1f2a8fb857f69681fa26a311e1709a581cf6825 /lib/Target/AArch64/AArch64ISelLowering.cpp | |
parent | 6265d5c91a18b2fb6499eb581c488315880c044d (diff) | |
download | llvm-8b71994fde0f0fcdf7a8260dc773fb7376b1231f.tar.gz llvm-8b71994fde0f0fcdf7a8260dc773fb7376b1231f.tar.bz2 llvm-8b71994fde0f0fcdf7a8260dc773fb7376b1231f.tar.xz |
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
Diffstat (limited to 'lib/Target/AArch64/AArch64ISelLowering.cpp')
-rw-r--r-- | lib/Target/AArch64/AArch64ISelLowering.cpp | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp index 6deae75488..786b1ba1d5 100644 --- a/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -59,10 +59,6 @@ AArch64TargetLowering::AArch64TargetLowering(AArch64TargetMachine &TM) computeRegisterProperties(); - // We have particularly efficient implementations of atomic fences if they can - // be combined with nearby atomic loads and stores. - setShouldFoldAtomicFences(true); - // We combine OR nodes for bitfield and NEON BSL operations. setTargetDAGCombine(ISD::OR); |