https://github.com/arsenm updated
https://github.com/llvm/llvm-project/pull/160486
>From 757179588b9274b1a7ce65885d6ce7b9f79db150 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <matthew.arsena...@amd.com>
Date: Wed, 24 Sep 2025 19:14:06 +0900
Subject: [PATCH] Greedy: Use initializer list for recoloring candidates (NFC)
---
llvm/lib/CodeGen/RegAllocGreedy.cpp | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp
b/llvm/lib/CodeGen/RegAllocGreedy.cpp
index 6957548ac6c7a..bb8ebe7d7ddf1 100644
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -2486,15 +2486,13 @@ void RAGreedy::tryHintRecoloring(const LiveInterval
&VirtReg) {
// We have a broken hint, check if it is possible to fix it by
// reusing PhysReg for the copy-related live-ranges. Indeed, we evicted
// some register and PhysReg may be available for the other live-ranges.
- SmallSet<Register, 4> Visited;
- SmallVector<Register, 2> RecoloringCandidates;
HintsInfo Info;
Register Reg = VirtReg.reg();
MCRegister PhysReg = VRM->getPhys(Reg);
// Start the recoloring algorithm from the input live-interval, then
// it will propagate to the ones that are copy-related with it.
- Visited.insert(Reg);
- RecoloringCandidates.push_back(Reg);
+ SmallSet<Register, 4> Visited = {Reg};
+ SmallVector<Register, 2> RecoloringCandidates = {Reg};
LLVM_DEBUG(dbgs() << "Trying to reconcile hints for: " << printReg(Reg, TRI)
<< '(' << printReg(PhysReg, TRI) << ")\n");
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