[llvm] [CodeGen] Add SSID & Atomic Ordering to IntrinsicInfo (PR #140896)

[Matt Arsenault via llvm-commits]

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@@ -1214,6 +1214,9 @@ class TargetLoweringBase {
   struct IntrinsicInfo {
     unsigned     opc = 0;          // target opcode
     EVT          memVT;            // memory VT
+    SyncScope::ID ssid = SyncScope::System;
+    AtomicOrdering order = AtomicOrdering::NotAtomic;
+    AtomicOrdering failureOrder = AtomicOrdering::NotAtomic;
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arsenm wrote:

Maybe move these down with the flags? 

https://github.com/llvm/llvm-project/pull/140896