[SelectionDAGISel] small cleanup to INLINEASM_BR selection. NFC

Summary:
This code was throwing away the opcode for a boolean, which was then
reconstructing the opcode from that boolean.  Just pass the opcode, and
forget the boolean.

Reviewers: srhines

Reviewed By: srhines

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77100

Author: nickdesaulniers

llvm/include/llvm/CodeGen/SelectionDAGISel.h

@@ -318,7 +318,7 @@ class SelectionDAGISel : public MachineFunctionPass {
 private:
 
   // Calls to these functions are generated by tblgen.
-  void Select_INLINEASM(SDNode *N, bool Branch);
+  void Select_INLINEASM(SDNode *N);
   void Select_READ_REGISTER(SDNode *Op);
   void Select_WRITE_REGISTER(SDNode *Op);
   void Select_UNDEF(SDNode *N);

llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

@@ -2239,14 +2239,14 @@ bool SelectionDAGISel::IsLegalToFold(SDValue N, SDNode *U, SDNode *Root,
   return !findNonImmUse(Root, N.getNode(), U, IgnoreChains);
 }
 
-void SelectionDAGISel::Select_INLINEASM(SDNode *N, bool Branch) {
+void SelectionDAGISel::Select_INLINEASM(SDNode *N) {
   SDLoc DL(N);
 
   std::vector<SDValue> Ops(N->op_begin(), N->op_end());
   SelectInlineAsmMemoryOperands(Ops, DL);
 
   const EVT VTs[] = {MVT::Other, MVT::Glue};
-  SDValue New = CurDAG->getNode(Branch ? ISD::INLINEASM_BR : ISD::INLINEASM, DL, VTs, Ops);
+  SDValue New = CurDAG->getNode(N->getOpcode(), DL, VTs, Ops);
   New->setNodeId(-1);
   ReplaceUses(N, New.getNode());
   CurDAG->RemoveDeadNode(N);
@@ -2822,8 +2822,7 @@ void SelectionDAGISel::SelectCodeCommon(SDNode *NodeToMatch,
     return;
   case ISD::INLINEASM:
   case ISD::INLINEASM_BR:
-    Select_INLINEASM(NodeToMatch,
-                     NodeToMatch->getOpcode() == ISD::INLINEASM_BR);
+    Select_INLINEASM(NodeToMatch);
     return;
   case ISD::READ_REGISTER:
     Select_READ_REGISTER(NodeToMatch);