[llvm] c2624b5 - [NFC] Use stable_sort to fix the basic-block-sections-code-prefetch.l test. (#191941)

[via llvm-commits]

Author: Rahman Lavaee
Date: 2026-04-14T04:54:07Z
New Revision: c2624b5205b81516047792147e9dc50f55c22e18

URL: https://github.com/llvm/llvm-project/commit/c2624b5205b81516047792147e9dc50f55c22e18
DIFF: https://github.com/llvm/llvm-project/commit/c2624b5205b81516047792147e9dc50f55c22e18.diff

LOG: [NFC] Use stable_sort to fix the basic-block-sections-code-prefetch.l test. (#191941)

This fixes https://lab.llvm.org/buildbot/#/builders/187/builds/18954.

Added: 
    

Modified: 
    llvm/lib/CodeGen/InsertCodePrefetch.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/InsertCodePrefetch.cpp b/llvm/lib/CodeGen/InsertCodePrefetch.cpp
index 7e06db3974f69..789f7ba9a1021 100644
--- a/llvm/lib/CodeGen/InsertCodePrefetch.cpp
+++ b/llvm/lib/CodeGen/InsertCodePrefetch.cpp
@@ -112,7 +112,7 @@ insertPrefetchHints(MachineFunction &MF,
   // Sort prefetch hints by their callsite index so we can insert them by one
   // pass over the block's instructions.
   for (auto &[SiteBBID, Hints] : PrefetchHintsBySiteBBID) {
-    llvm::sort(Hints, [](const PrefetchHint &H1, const PrefetchHint &H2) {
+    llvm::stable_sort(Hints, [](const PrefetchHint &H1, const PrefetchHint &H2) {
       return H1.SiteID.CallsiteIndex < H2.SiteID.CallsiteIndex;
     });
   }