+ // OUTCHAIN = MEMBARRIER(INCHAIN, load-load, load-store, store-load,
+ // store-store, device)
+ // This corresponds to the memory.barrier intrinsic.
+ // it takes an input chain, 4 operands to specify the type of barrier, an
+ // operand specifying if the barrier applies to device and uncached memory
+ // and produces an output chain.
+ MEMBARRIER,
+
+ // Val, OUTCHAIN = ATOMIC_LCS(INCHAIN, ptr, cmp, swap)
+ // this corresponds to the atomic.lcs intrinsic.
+ // cmp is compared to *ptr, and if equal, swap is stored in *ptr.
+ // the return is always the original value in *ptr
+ ATOMIC_LCS,
+
+ // Val, OUTCHAIN = ATOMIC_LAS(INCHAIN, ptr, amt)
+ // this corresponds to the atomic.las intrinsic.
+ // *ptr + amt is stored to *ptr atomically.
+ // the return is always the original value in *ptr
+ ATOMIC_LAS,
+
+ // Val, OUTCHAIN = ATOMIC_SWAP(INCHAIN, ptr, amt)
+ // this corresponds to the atomic.swap intrinsic.
+ // amt is stored to *ptr atomically.
+ // the return is always the original value in *ptr
+ ATOMIC_SWAP,
+