[mlir] Use llvm::unique (NFC) (llvm#96415)

Author: kazutakahirata

mlir/lib/Dialect/Affine/Transforms/LoopFusion.cpp

@@ -162,9 +162,7 @@ static void getProducerCandidates(unsigned dstId, MemRefDependenceGraph *mdg,
   }
 
   llvm::sort(srcIdCandidates);
-  srcIdCandidates.erase(
-      std::unique(srcIdCandidates.begin(), srcIdCandidates.end()),
-      srcIdCandidates.end());
+  srcIdCandidates.erase(llvm::unique(srcIdCandidates), srcIdCandidates.end());
 }
 
 /// Returns in 'producerConsumerMemrefs' the memrefs involved in a

mlir/lib/Dialect/GPU/Transforms/NVVMAttachTarget.cpp

@@ -78,8 +78,7 @@ void NVVMAttachTarget::runOnOperation() {
           targets.append(attrs->getValue().begin(), attrs->getValue().end());
         targets.push_back(target);
         // Remove any duplicate targets.
-        targets.erase(std::unique(targets.begin(), targets.end()),
-                      targets.end());
+        targets.erase(llvm::unique(targets), targets.end());
         // Update the target attribute array.
         module.setTargetsAttr(builder.getArrayAttr(targets));
       }

mlir/lib/Dialect/GPU/Transforms/ROCDLAttachTarget.cpp

@@ -86,8 +86,7 @@ void ROCDLAttachTarget::runOnOperation() {
           targets.append(attrs->getValue().begin(), attrs->getValue().end());
         targets.push_back(target);
         // Remove any duplicate targets.
-        targets.erase(std::unique(targets.begin(), targets.end()),
-                      targets.end());
+        targets.erase(llvm::unique(targets), targets.end());
         // Update the target attribute array.
         module.setTargetsAttr(builder.getArrayAttr(targets));
       }

mlir/lib/Dialect/GPU/Transforms/SPIRVAttachTarget.cpp

@@ -91,7 +91,7 @@ void SPIRVAttachTarget::runOnOperation() {
       targets.append(attrs->getValue().begin(), attrs->getValue().end());
     targets.push_back(target);
     // Remove any duplicate targets.
-    targets.erase(std::unique(targets.begin(), targets.end()), targets.end());
+    targets.erase(llvm::unique(targets), targets.end());
     // Update the target attribute array.
     gpuModule.setTargetsAttr(builder.getArrayAttr(targets));
   });

mlir/lib/Dialect/Transform/Interfaces/MatchInterfaces.cpp

@@ -93,7 +93,7 @@ LogicalResult transform::verifyTransformMatchDimsOp(Operation *op,
                                 "'all' is not specified";
   }
   SmallVector<int64_t> rawVector = llvm::to_vector(raw);
-  auto *it = std::unique(rawVector.begin(), rawVector.end());
+  auto *it = llvm::unique(rawVector);
   if (it != rawVector.end())
     return op->emitOpError() << "expected the listed values to be unique";
 

mlir/lib/IR/AffineMap.cpp

@@ -748,8 +748,7 @@ AffineMap mlir::simplifyAffineMap(AffineMap map) {
 AffineMap mlir::removeDuplicateExprs(AffineMap map) {
   auto results = map.getResults();
   SmallVector<AffineExpr, 4> uniqueExprs(results.begin(), results.end());
-  uniqueExprs.erase(std::unique(uniqueExprs.begin(), uniqueExprs.end()),
-                    uniqueExprs.end());
+  uniqueExprs.erase(llvm::unique(uniqueExprs), uniqueExprs.end());
   return AffineMap::get(map.getNumDims(), map.getNumSymbols(), uniqueExprs,
                         map.getContext());
 }

mlir/lib/Tools/mlir-pdll-lsp-server/PDLLServer.cpp

@@ -1808,8 +1808,7 @@ void lsp::PDLLServer::getInlayHints(const URIForFile &uri, const Range &range,
 
   // Drop any duplicated hints that may have cropped up.
   llvm::sort(inlayHints);
-  inlayHints.erase(std::unique(inlayHints.begin(), inlayHints.end()),
-                   inlayHints.end());
+  inlayHints.erase(llvm::unique(inlayHints), inlayHints.end());
 }
 
 std::optional<lsp::PDLLViewOutputResult>