[Mlir-commits] [mlir] [mlir] Use llvm::less_first (NFC) (PR #136398)

[Kazu Hirata]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/136398

None

>From d5cca34baaa307ecae73863353181586f35de184 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Fri, 18 Apr 2025 10:10:07 -0700
Subject: [PATCH] [mlir] Use llvm::less_first (NFC)

---
 mlir/lib/Dialect/SparseTensor/Transforms/Utils/LoopEmitter.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mlir/lib/Dialect/SparseTensor/Transforms/Utils/LoopEmitter.cpp b/mlir/lib/Dialect/SparseTensor/Transforms/Utils/LoopEmitter.cpp
index ea5533dfc6bac..6e816dc0661a1 100644
--- a/mlir/lib/Dialect/SparseTensor/Transforms/Utils/LoopEmitter.cpp
+++ b/mlir/lib/Dialect/SparseTensor/Transforms/Utils/LoopEmitter.cpp
@@ -352,8 +352,7 @@ void LoopEmitter::initSubSectIterator(OpBuilder &builder, Location loc) {
     if (depRedOrder.empty())
       continue;
 
-    std::sort(depRedOrder.begin(), depRedOrder.end(),
-              [](auto &l, auto &r) { return std::get<0>(l) < std::get<0>(r); });
+    llvm::sort(depRedOrder, llvm::less_first());
 
     SmallVector<SparseIterator *> lastIter(tensors.size(), nullptr);
     for (auto [loop, t, lvl] : depRedOrder) {