From 92c1f72c548e6a5e793ef19a0b04910992115b6c Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Sat, 10 Jul 2010 19:08:25 +0000 Subject: Emit COPY instructions instead of using copyRegToReg in InstrEmitter, ScheduleDAGEmit, TwoAddressLowering, and PHIElimination. This switches the bulk of register copies to using COPY, but many less used copyRegToReg calls remain. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108050 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/PHIElimination.cpp | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'lib/CodeGen/PHIElimination.cpp') diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp index 007d4d9611..ea6b094d7e 100644 --- a/lib/CodeGen/PHIElimination.cpp +++ b/lib/CodeGen/PHIElimination.cpp @@ -183,7 +183,6 @@ void llvm::PHIElimination::LowerAtomicPHINode( // Create a new register for the incoming PHI arguments. MachineFunction &MF = *MBB.getParent(); - const TargetRegisterClass *RC = MF.getRegInfo().getRegClass(DestReg); unsigned IncomingReg = 0; bool reusedIncoming = false; // Is IncomingReg reused from an earlier PHI? @@ -207,10 +206,12 @@ void llvm::PHIElimination::LowerAtomicPHINode( ++NumReused; DEBUG(dbgs() << "Reusing %reg" << IncomingReg << " for " << *MPhi); } else { + const TargetRegisterClass *RC = MF.getRegInfo().getRegClass(DestReg); entry = IncomingReg = MF.getRegInfo().createVirtualRegister(RC); } - TII->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC, RC, - MPhi->getDebugLoc()); + BuildMI(MBB, AfterPHIsIt, MPhi->getDebugLoc(), + TII->get(TargetOpcode::COPY), DestReg) + .addReg(IncomingReg); } // Update live variable information if there is any. @@ -292,8 +293,8 @@ void llvm::PHIElimination::LowerAtomicPHINode( // Insert the copy. if (!reusedIncoming && IncomingReg) - TII->copyRegToReg(opBlock, InsertPos, IncomingReg, SrcReg, RC, RC, - MPhi->getDebugLoc()); + BuildMI(opBlock, InsertPos, MPhi->getDebugLoc(), + TII->get(TargetOpcode::COPY), IncomingReg).addReg(SrcReg); // Now update live variable information if we have it. Otherwise we're done if (!LV) continue; -- cgit v1.2.3-70-g09d2