From b532360dd6bbdaf3b7fcd5f53647984600967a80 Mon Sep 17 00:00:00 2001
From: Ahmed Bougacha <ahmed.bougacha@gmail.com>
Date: Fri, 16 Sep 2016 12:33:34 +0000
Subject: [PATCH] [AArch64][GlobalISel] Use the generic DefaultMapping as the
 default.

This lets generic logic handle the common case, instead of having to
implement applyMappingImpl for each instruction.

llvm-svn: 281720
---
 llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp b/llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp
index d0da232bdce4..12fdb0d9cc68 100644
--- a/llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp
@@ -157,7 +157,6 @@ AArch64RegisterBankInfo::getInstrAlternativeMappings(
 void AArch64RegisterBankInfo::applyMappingImpl(
     const OperandsMapper &OpdMapper) const {
   switch (OpdMapper.getMI().getOpcode()) {
-  case TargetOpcode::G_ADD:
   case TargetOpcode::G_OR: {
     // Those ID must match getInstrAlternativeMappings.
     assert((OpdMapper.getInstrMapping().getID() == 1 ||
@@ -187,7 +186,7 @@ AArch64RegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
   else
     BankID = AArch64::GPRRegBankID;
 
-  Mapping = InstructionMapping{1, 1, MI.getNumOperands()};
+  Mapping = InstructionMapping{DefaultMappingID, 1, MI.getNumOperands()};
   int Size = Ty.isValid() ? Ty.getSizeInBits() : 0;
   for (unsigned Idx = 0; Idx < MI.getNumOperands(); ++Idx)
     Mapping.setOperandMapping(Idx, Size, getRegBank(BankID));