llvm-project

150783e2 - Revert "Reland "[mlir][reducer] Add eraseRedundantBlocksInRegion and getSuccessorForwardOperands API to BranchOpInterface"" (#190727)

Revert "Reland "[mlir][reducer] Add eraseRedundantBlocksInRegion and getSuccessorForwardOperands API to BranchOpInterface"" (#190727) To decouple the BranchOpInterface implementation from the reduction-tree changes. Reverts llvm/llvm-project#189253,