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Revert "Fix another unused variable error." 

This reverts commit 5b84ae7c48.
This commit is contained in:
Frederik Gossen 2021-11-16 11:58:02 +01:00
parent 669e57ebd1
commit 9a6817b7ed
1 changed files with 5 additions and 3 deletions
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8
llvm/lib/CodeGen/GlobalISel/LoadStoreOpt.cpp
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@ -375,6 +375,9 @@ bool LoadStoreOpt::doSingleStoreMerge(SmallVectorImpl<GStore *> &Stores) {
ConstantVals.emplace_back(MaybeCst->Value); ConstantVals.emplace_back(MaybeCst->Value);
} }
Register WideReg;
auto *WideMMO =
MF->getMachineMemOperand(&FirstStore->getMMO(), 0, WideValueTy);
if (ConstantVals.empty()) { if (ConstantVals.empty()) {
// Mimic the SDAG behaviour here and don't try to do anything for unknown // Mimic the SDAG behaviour here and don't try to do anything for unknown
// values. In future, we should also support the cases of loads and // values. In future, we should also support the cases of loads and
@ -392,12 +395,11 @@ bool LoadStoreOpt::doSingleStoreMerge(SmallVectorImpl<GStore *> &Stores) {
// wider one. // wider one.
WideConst.insertBits(ConstantVals[Idx], Idx * SmallTy.getSizeInBits()); WideConst.insertBits(ConstantVals[Idx], Idx * SmallTy.getSizeInBits());
} }
Register WideReg = Builder.buildConstant(WideValueTy, WideConst).getReg(0); WideReg = Builder.buildConstant(WideValueTy, WideConst).getReg(0);
LLVM_DEBUG({ LLVM_DEBUG({
dbgs() << "Created merged store: " dbgs() << "Created merged store: "
<< *Builder.buildStore(WideReg, FirstStore->getPointerReg(), << *Builder.buildStore(WideReg, FirstStore->getPointerReg(),
*MF->getMachineMemOperand( *WideMMO);
&FirstStore->getMMO(), 0, WideValueTy));
}); });
NumStoresMerged += Stores.size(); NumStoresMerged += Stores.size();