[llvm] [NVPTX] Add intrinsics for wgmma.fence PTX instructions (PR #120523)

[Durgadoss R via llvm-commits]

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@@ -7484,4 +7484,16 @@ defm INT_SET_MAXNREG_DEC : SET_MAXNREG<"dec", int_nvvm_setmaxnreg_dec_sync_align
 
 } // isConvergent
 
+//
+// WGMMA instructions
+//
+def INT_NVVM_WGMMA_FENCE_SYNC_ALIGNED : NVPTXInst<(outs), (ins), "wgmma.fence.sync.aligned;",
+                             [(int_nvvm_wgmma_fence_sync_aligned)]>, Requires<[hasSM90a, hasPTX<80>]>;
+
+def INT_NVVM_WGMMA_COMMIT_GROUP_SYNC_ALIGNED : NVPTXInst<(outs), (ins), "wgmma.commit_group.sync.aligned;",
+                             [(int_nvvm_wgmma_commit_group_sync_aligned)]>, Requires<[hasSM90a, hasPTX<80>]>;
+
+def INT_NVVM_WGMMA_WAIT_GROUP_SYNC_ALIGNED : NVPTXInst<(outs), (ins i32imm:$n), "wgmma.wait_group.sync.aligned \t$n;",
+                             [(int_nvvm_wgmma_wait_group_sync_aligned timm:$n)]>, Requires<[hasSM90a, hasPTX<80>]>;
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durga4github wrote:

These should be under isConvergent scope here?

https://github.com/llvm/llvm-project/pull/120523