MIR Serialization: Serialize the implicit register flag.

[oota-llvm.git] / lib / CodeGen / MIRPrinter.cpp

diff --git a/lib/CodeGen/MIRPrinter.cpp b/lib/CodeGen/MIRPrinter.cpp
index 6b6675579ccc4ae9843740a1d3fbdbf4cf91a950..5301df0fc4a635bbc1e94a591f4da8ce0d981132 100644 (file)
--- a/lib/CodeGen/MIRPrinter.cpp
+++ b/lib/CodeGen/MIRPrinter.cpp
@@ -131,10 +131,10 @@ void MIRPrinter::convert(const Module &M, yaml::MachineBasicBlock &YamlMBB,
   YamlMBB.Alignment = MBB.getAlignment();
   YamlMBB.AddressTaken = MBB.hasAddressTaken();
   YamlMBB.IsLandingPad = MBB.isLandingPad();
-  for (const auto *MBB : MBB.successors()) {
+  for (const auto *SuccMBB : MBB.successors()) {
     std::string Str;
     raw_string_ostream StrOS(Str);
-    MIPrinter(M, StrOS, RegisterMaskIds).printMBBReference(*MBB);
+    MIPrinter(M, StrOS, RegisterMaskIds).printMBBReference(*SuccMBB);
     YamlMBB.Successors.push_back(StrOS.str());
   }
 
@@ -211,7 +211,9 @@ void MIPrinter::printMBBReference(const MachineBasicBlock &MBB) {
 void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI) {
   switch (Op.getType()) {
   case MachineOperand::MO_Register:
-    // TODO: Print register flags.
+    // TODO: Print the other register flags.
+    if (Op.isImplicit())
+      OS << (Op.isDef() ? "implicit-def " : "implicit ");
     printReg(Op.getReg(), OS, TRI);
     // TODO: Print sub register.
     break;