[llvm-branch-commits] [llvm] [MC][NFC] Reduce Address2ProbesMap size (PR #102904)

[Amir Ayupov via llvm-branch-commits]

https://github.com/aaupov updated 
https://github.com/llvm/llvm-project/pull/102904

>From 3ffb03f8e4bcb2fa235ae989320c466af4a3cda8 Mon Sep 17 00:00:00 2001
From: Amir Ayupov <aau...@fb.com>
Date: Mon, 12 Aug 2024 14:40:57 -0700
Subject: [PATCH] stable_sort

Created using spr 1.3.4
---
 llvm/lib/MC/MCPseudoProbe.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/MC/MCPseudoProbe.cpp b/llvm/lib/MC/MCPseudoProbe.cpp
index 45fe95e176ff24..1c81630dda4dd9 100644
--- a/llvm/lib/MC/MCPseudoProbe.cpp
+++ b/llvm/lib/MC/MCPseudoProbe.cpp
@@ -638,7 +638,7 @@ bool MCPseudoProbeDecoder::buildAddress2ProbeMap(
   std::vector<std::pair<uint64_t, uint32_t>> SortedA2P(ProbeCount);
   for (const auto &[I, Probe] : llvm::enumerate(PseudoProbeVec))
     SortedA2P[I] = {Probe.getAddress(), I};
-  llvm::sort(SortedA2P, llvm::less_first());
+  llvm::stable_sort(SortedA2P, llvm::less_first());
   Address2ProbesMap.reserve(ProbeCount);
   for (const uint32_t I : llvm::make_second_range(SortedA2P))
     Address2ProbesMap.emplace_back(PseudoProbeVec[I]);

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