address review comment

Author: whitneywhtsang

third_party/intel/lib/TritonIntelGPUTransforms/OptimizeBlockIOEncoding.cpp

@@ -1,6 +1,7 @@
 #include "intel/include/Dialect/TritonIntelGPU/IR/Dialect.h"
 #include "intel/include/Dialect/TritonIntelGPU/Transforms/Passes.h"
 #include "triton/Dialect/Triton/IR/Utility.h"
+#include "triton/Dialect/TritonGPU/Transforms/Utility.h"
 #include "llvm/ADT/PriorityWorklist.h"
 
 namespace ttg = mlir::triton::gpu;
@@ -16,38 +17,6 @@ namespace gpu::intel {
 
 namespace {
 
-SmallVector<Value> getTiedArgs(Operation *op, int resultIdx) {
-  if (auto forOp = dyn_cast<scf::ForOp>(op)) {
-    auto iterArg = forOp.getRegionIterArg(resultIdx);
-    auto result = forOp.getResult(resultIdx);
-    auto yieldVal = forOp.getBody()->getTerminator()->getOperand(resultIdx);
-    auto initVal = forOp.getInitArgs()[resultIdx];
-    return {iterArg, result, yieldVal, initVal};
-  } else if (auto whileOp = dyn_cast<scf::WhileOp>(op)) {
-    auto iterArg = whileOp.getBeforeArguments()[resultIdx];
-    auto result = whileOp.getResults()[resultIdx];
-    auto yieldVal = whileOp.getConditionOp().getArgs()[resultIdx];
-    auto initVal = whileOp.getOperands()[resultIdx];
-    auto bodyArg = whileOp.getAfterArguments()[resultIdx];
-    return {iterArg, result, yieldVal, initVal, bodyArg};
-  } else if (auto ifOp = dyn_cast<scf::IfOp>(op)) {
-    SmallVector<Value> values;
-    for (auto &block : ifOp.getThenRegion().getBlocks()) {
-      auto terminator = block.getTerminator();
-      if (isa<scf::YieldOp>(terminator))
-        values.push_back(terminator->getOperands()[resultIdx]);
-    }
-    for (auto &block : ifOp.getElseRegion().getBlocks()) {
-      auto terminator = block.getTerminator();
-      if (isa<scf::YieldOp>(terminator))
-        values.push_back(terminator->getOperands()[resultIdx]);
-    }
-    values.push_back(ifOp->getResults()[resultIdx]);
-    return values;
-  }
-  return {};
-}
-
 struct EncodingInfo {
   Attribute desiredEncoding;
   bool requiresConvert = false;