From e172a8b7948d379400f6cf322589b9ba6f778e78 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Thu, 28 Oct 2010 20:34:50 +0000
Subject: Make MachineDominators available for SplitEditor. We are going to
 need it for proper SSA updating.

This doesn't cause MachineDominators to be recomputed since we are already
requiring MachineLoopInfo which uses dominators as well.

llvm-svn: 117598
---
 llvm/lib/CodeGen/RegAllocLinearScan.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'llvm/lib/CodeGen/RegAllocLinearScan.cpp')

diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
index 18fd118259e..947a6c74bd1 100644
--- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
@@ -97,6 +97,7 @@ namespace {
       initializeCalculateSpillWeightsPass(*PassRegistry::getPassRegistry());
       initializePreAllocSplittingPass(*PassRegistry::getPassRegistry());
       initializeLiveStacksPass(*PassRegistry::getPassRegistry());
+      initializeMachineDominatorTreePass(*PassRegistry::getPassRegistry());
       initializeMachineLoopInfoPass(*PassRegistry::getPassRegistry());
       initializeVirtRegMapPass(*PassRegistry::getPassRegistry());
       initializeMachineDominatorTreePass(*PassRegistry::getPassRegistry());
@@ -208,6 +209,7 @@ namespace {
       AU.addPreserved<MachineLoopInfo>();
       AU.addRequired<VirtRegMap>();
       AU.addPreserved<VirtRegMap>();
+      AU.addRequiredID(MachineDominatorsID);
       AU.addPreservedID(MachineDominatorsID);
       MachineFunctionPass::getAnalysisUsage(AU);
     }
-- 
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