From a1e1c2d0812cd15c16cfc723bb82327e1cc25538 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 19 Aug 2026 16:57:28 +0800
Subject: [CodeGen] Match LLVM PBQP allocator input contract

---
 backend/lib/CodeGen/RegAllocPBQP.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'backend')

diff --git a/backend/lib/CodeGen/RegAllocPBQP.cpp b/backend/lib/CodeGen/RegAllocPBQP.cpp
index 758f756..25fc596 100644
--- a/backend/lib/CodeGen/RegAllocPBQP.cpp
+++ b/backend/lib/CodeGen/RegAllocPBQP.cpp
@@ -272,11 +272,9 @@ private:
   static const MachinePassContract Contract = [] {
     MachinePassContract Value{
         .Name = "PBQPAllocator",
-        .Requires = {MachineFunctionProperty::Selected, MachineFunctionProperty::NoPHIs,
-                     MachineFunctionProperty::TiedOpsRewritten,
-                     MachineFunctionProperty::TracksLiveness},
+        .Requires = {MachineFunctionProperty::NoPHIs},
         .Sets = {MachineFunctionProperty::NoVRegs},
-        .Clears = {},
+        .Clears = {MachineFunctionProperty::IsSSA},
         .RequiredAnalyses = {MachineFunctionAnalysisManager::id<LiveIntervalsAnalysis>()},
         .VerificationStage = PipelineStage::RegisterAllocated,
     };
-- 
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