[llvm-branch-commits] [llvm] [SimplfyCFG] Set `MD_prof` for `select` used for certain conditional simplifications (PR #154426)

[David Li via llvm-branch-commits]

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@@ -4058,7 +4068,7 @@ static bool performBranchToCommonDestFolding(BranchInst 
*BI, BranchInst *PBI,
     // Halve the weights if any of them cannot fit in an uint32_t
     fitWeights(NewWeights);
 
-    SmallVector<uint32_t, 8> MDWeights(NewWeights.begin(), NewWeights.end());
+    append_range(MDWeights, NewWeights);
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david-xl wrote:

Why this change?

https://github.com/llvm/llvm-project/pull/154426
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