From ff2ba393a56d9d99dcb76ceada542233db28af9a Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 6 Jan 2016 20:01:02 +0000
Subject: Vendor import of llvm trunk r256945:
https://llvm.org/svn/llvm-project/llvm/trunk@256945
---
lib/Target/ARM/ARMLoadStoreOptimizer.cpp | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)
(limited to 'lib/Target/ARM/ARMLoadStoreOptimizer.cpp')
diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index 725b838..6e7e47b 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1986,23 +1986,6 @@ static bool IsSafeAndProfitableToMove(bool isLd, unsigned Base,
return AddedRegPressure.size() <= MemRegs.size() * 2;
}
-
-/// Copy \p Op0 and \p Op1 operands into a new array assigned to MI.
-static void concatenateMemOperands(MachineInstr *MI, MachineInstr *Op0,
- MachineInstr *Op1) {
- assert(MI->memoperands_empty() && "expected a new machineinstr");
- size_t numMemRefs = (Op0->memoperands_end() - Op0->memoperands_begin())
- + (Op1->memoperands_end() - Op1->memoperands_begin());
-
- MachineFunction *MF = MI->getParent()->getParent();
- MachineSDNode::mmo_iterator MemBegin = MF->allocateMemRefsArray(numMemRefs);
- MachineSDNode::mmo_iterator MemEnd =
- std::copy(Op0->memoperands_begin(), Op0->memoperands_end(), MemBegin);
- MemEnd =
- std::copy(Op1->memoperands_begin(), Op1->memoperands_end(), MemEnd);
- MI->setMemRefs(MemBegin, MemEnd);
-}
-
bool
ARMPreAllocLoadStoreOpt::CanFormLdStDWord(MachineInstr *Op0, MachineInstr *Op1,
DebugLoc &dl, unsigned &NewOpc,
@@ -2196,7 +2179,7 @@ bool ARMPreAllocLoadStoreOpt::RescheduleOps(MachineBasicBlock *MBB,
if (!isT2)
MIB.addReg(0);
MIB.addImm(Offset).addImm(Pred).addReg(PredReg);
- concatenateMemOperands(MIB, Op0, Op1);
+ MIB.setMemRefs(Op0->mergeMemRefsWith(*Op1));
DEBUG(dbgs() << "Formed " << *MIB << "\n");
++NumLDRDFormed;
} else {
@@ -2210,7 +2193,7 @@ bool ARMPreAllocLoadStoreOpt::RescheduleOps(MachineBasicBlock *MBB,
if (!isT2)
MIB.addReg(0);
MIB.addImm(Offset).addImm(Pred).addReg(PredReg);
- concatenateMemOperands(MIB, Op0, Op1);
+ MIB.setMemRefs(Op0->mergeMemRefsWith(*Op1));
DEBUG(dbgs() << "Formed " << *MIB << "\n");
++NumSTRDFormed;
}
--
cgit v1.1