Replace push_back(Constructor(foo)) with emplace_back(foo) for non-trivial types

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SelectionDAGBuilder.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 3c5d32f1749c7717c35c958a0be8357217d54da0..03a9aa8189afbda9a6dbae4f81147d1686966f2a 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4045,16 +4045,20 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
     return nullptr;
   case Intrinsic::read_register: {
     Value *Reg = I.getArgOperand(0);
+    SDValue Chain = getRoot();
     SDValue RegName =
         DAG.getMDNode(cast<MDNode>(cast<MetadataAsValue>(Reg)->getMetadata()));
     EVT VT = TLI.getValueType(I.getType());
-    setValue(&I, DAG.getNode(ISD::READ_REGISTER, sdl, VT, RegName));
+    Res = DAG.getNode(ISD::READ_REGISTER, sdl,
+      DAG.getVTList(VT, MVT::Other), Chain, RegName);
+    setValue(&I, Res);
+    DAG.setRoot(Res.getValue(1));
     return nullptr;
   }
   case Intrinsic::write_register: {
     Value *Reg = I.getArgOperand(0);
     Value *RegValue = I.getArgOperand(1);
-    SDValue Chain = getValue(RegValue).getOperand(0);
+    SDValue Chain = getRoot();
     SDValue RegName =
         DAG.getMDNode(cast<MDNode>(cast<MetadataAsValue>(Reg)->getMetadata()));
     DAG.setRoot(DAG.getNode(ISD::WRITE_REGISTER, sdl, MVT::Other, Chain,
@@ -4975,7 +4979,7 @@ SelectionDAGBuilder::lowerInvokable(TargetLowering::CallLoweringInfo &CLI,
   if (LandingPad) {
     // Insert a label before the invoke call to mark the try range.  This can be
     // used to detect deletion of the invoke via the MachineModuleInfo.
-    BeginLabel = MMI.getContext().CreateTempSymbol();
+    BeginLabel = MMI.getContext().createTempSymbol();
 
     // For SjLj, keep track of which landing pads go with which invokes
     // so as to maintain the ordering of pads in the LSDA.
@@ -5018,7 +5022,7 @@ SelectionDAGBuilder::lowerInvokable(TargetLowering::CallLoweringInfo &CLI,
   if (LandingPad) {
     // Insert a label at the end of the invoke call to mark the try range.  This
     // can be used to detect deletion of the invoke via the MachineModuleInfo.
-    MCSymbol *EndLabel = MMI.getContext().CreateTempSymbol();
+    MCSymbol *EndLabel = MMI.getContext().createTempSymbol();
     DAG.setRoot(DAG.getEHLabel(getCurSDLoc(), getRoot(), EndLabel));
 
     // Inform MachineModuleInfo of range.
@@ -5446,7 +5450,7 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) {
             return;
         }
       }
-      if (unsigned IID = F->getIntrinsicID()) {
+      if (Intrinsic::ID IID = F->getIntrinsicID()) {
         RenameFn = visitIntrinsicCall(I, IID);
         if (!RenameFn)
           return;
@@ -7433,7 +7437,7 @@ bool SelectionDAGBuilder::buildJumpTable(CaseClusterVector &Clusters,
   JumpTableHeader JTH(Clusters[First].Low->getValue(),
                       Clusters[Last].High->getValue(), SI->getCondition(),
                       nullptr, false);
-  JTCases.push_back(JumpTableBlock(JTH, JT));
+  JTCases.emplace_back(std::move(JTH), std::move(JT));
 
   JTCluster = CaseCluster::jumpTable(Clusters[First].Low, Clusters[Last].High,
                                      JTCases.size() - 1, Weight);
@@ -7646,9 +7650,9 @@ bool SelectionDAGBuilder::buildBitTests(CaseClusterVector &Clusters,
         FuncInfo.MF->CreateMachineBasicBlock(SI->getParent());
     BTI.push_back(BitTestCase(CB.Mask, BitTestBB, CB.BB, CB.ExtraWeight));
   }
-  BitTestCases.push_back(BitTestBlock(LowBound, CmpRange, SI->getCondition(),
-                                      -1U, MVT::Other, false, nullptr,
-                                      nullptr, std::move(BTI)));
+  BitTestCases.emplace_back(std::move(LowBound), std::move(CmpRange),
+                            SI->getCondition(), -1U, MVT::Other, false, nullptr,
+                            nullptr, std::move(BTI));
 
   BTCluster = CaseCluster::bitTests(Clusters[First].Low, Clusters[Last].High,
                                     BitTestCases.size() - 1, TotalWeight);