From 06701fc8dde2dade519a998975f91cb9abc55dd6 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Thu, 10 Jan 2008 08:22:10 +0000 Subject: Simplify some code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45830 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/LiveIntervalAnalysis.cpp | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp') diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index b4f50e1..8092040 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -309,14 +309,8 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, // are actually two values in the live interval. Because of this we // need to take the LiveRegion that defines this register and split it // into two values. - MachineRegisterInfo& MRI = mbb->getParent()->getRegInfo(); - unsigned lowIndex = ~0U; - for (MachineRegisterInfo::def_iterator DI = MRI.def_begin(interval.reg), - DE = MRI.def_end(); DI != DE; ++DI) - if (getInstructionIndex(&*DI) < lowIndex) - lowIndex = getInstructionIndex(&*DI); - - unsigned DefIndex = getDefIndex(lowIndex); + assert(interval.containsOneValue()); + unsigned DefIndex = getDefIndex(interval.getValNumInfo(0)->def); unsigned RedefIndex = getDefIndex(MIIdx); const LiveRange *OldLR = interval.getLiveRangeContaining(RedefIndex-1); -- cgit v1.1