[llvm-branch-commits] [mlir] [mlir][draft] Consolidate patterns into `RegionBranchOpInterface` patterns (PR #174094)

[Matthias Springer via llvm-branch-commits]

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@@ -583,3 +624,283 @@ Region *mlir::getEnclosingRepetitiveRegion(Value value) {
   LDBG() << "No enclosing repetitive region found for value";
   return nullptr;
 }
+
+/// Is a defined before b?
+static bool isDefinedBefore(Value a, Value b) {
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matthias-springer wrote:

Note: The full generality of this function may not be needed, but I have to think about this more...

https://github.com/llvm/llvm-project/pull/174094