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Code generation for 'fence' instruction.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136283 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-07-27 22:21:52 +00:00
parent 144da2c8f0
commit 1464846801
16 changed files with 119 additions and 3 deletions
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6
include/llvm/Target/TargetSelectionDAG.td
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@@ -205,6 +205,9 @@ def SDTMemBarrier : SDTypeProfile<0, 5, [ // memory barier
SDTCisSameAs<0,1>, SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisSameAs<0,4>,
SDTCisInt<0>
]>;
def SDTAtomicFence : SDTypeProfile<0, 2, [
SDTCisSameAs<0,1>, SDTCisPtrTy<0>
]>;
def SDTAtomic3 : SDTypeProfile<1, 3, [
SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisInt<0>, SDTCisPtrTy<1>
]>;
@@ -397,6 +400,9 @@ def prefetch : SDNode<"ISD::PREFETCH" , SDTPrefetch,
def membarrier : SDNode<"ISD::MEMBARRIER" , SDTMemBarrier,
[SDNPHasChain, SDNPSideEffect]>;
def atomic_fence : SDNode<"ISD::ATOMIC_FENCE" , SDTAtomicFence,
[SDNPHasChain, SDNPSideEffect]>;
def atomic_cmp_swap : SDNode<"ISD::ATOMIC_CMP_SWAP" , SDTAtomic3,
[SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
def atomic_load_add : SDNode<"ISD::ATOMIC_LOAD_ADD" , SDTAtomic2,