commit 1039fd1ae54f6d2365a5c475ee3e55cfb8731932
author Alex Lorenz <arphaman@gmail.com> Fri Aug 14 19:07:07 2015 +0000
committer Alex Lorenz <arphaman@gmail.com> Fri Aug 14 19:07:07 2015 +0000
tree a819d24c008383f5eb315d061502ecf4a11b4f8a
parent b8a3fe7a53e3226888be41c7a1dfa02cfe877edf

MIR Serialization: Serialize the 'internal' register operand flag.

llvm-svn: 245085

llvm/lib/CodeGen/MIRParser/MILexer.cpp

diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.cpp b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
index 5ae1b10..e15a4d1 100644
--- a/llvm/lib/CodeGen/MIRParser/MILexer.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
@@ -191,6 +191,7 @@
       .Case("dead", MIToken::kw_dead)
       .Case("killed", MIToken::kw_killed)
       .Case("undef", MIToken::kw_undef)
+      .Case("internal", MIToken::kw_internal)
       .Case("early-clobber", MIToken::kw_early_clobber)
       .Case("debug-use", MIToken::kw_debug_use)
       .Case("frame-setup", MIToken::kw_frame_setup)

llvm/lib/CodeGen/MIRParser/MILexer.h

diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.h b/llvm/lib/CodeGen/MIRParser/MILexer.h
index 2f55ae4..e7abbb2 100644
--- a/llvm/lib/CodeGen/MIRParser/MILexer.h
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.h
@@ -52,6 +52,7 @@
     kw_dead,
     kw_killed,
     kw_undef,
+    kw_internal,
     kw_early_clobber,
     kw_debug_use,
     kw_frame_setup,
@@ -138,7 +139,8 @@
   bool isRegisterFlag() const {
     return Kind == kw_implicit || Kind == kw_implicit_define ||
            Kind == kw_dead || Kind == kw_killed || Kind == kw_undef ||
-           Kind == kw_early_clobber || Kind == kw_debug_use;
+           Kind == kw_internal || Kind == kw_early_clobber ||
+           Kind == kw_debug_use;
   }
 
   bool isMemoryOperandFlag() const {

llvm/lib/CodeGen/MIRParser/MIParser.cpp

diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index 36b3439..7984116 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -777,13 +777,15 @@
   case MIToken::kw_undef:
     Flags |= RegState::Undef;
     break;
+  case MIToken::kw_internal:
+    Flags |= RegState::InternalRead;
+    break;
   case MIToken::kw_early_clobber:
     Flags |= RegState::EarlyClobber;
     break;
   case MIToken::kw_debug_use:
     Flags |= RegState::Debug;
     break;
-  // TODO: parse the other register flags.
   default:
     llvm_unreachable("The current token should be a register flag");
   }
@@ -828,7 +830,8 @@
   Dest = MachineOperand::CreateReg(
       Reg, Flags & RegState::Define, Flags & RegState::Implicit,
       Flags & RegState::Kill, Flags & RegState::Dead, Flags & RegState::Undef,
-      Flags & RegState::EarlyClobber, SubReg, Flags & RegState::Debug);
+      Flags & RegState::EarlyClobber, SubReg, Flags & RegState::Debug,
+      Flags & RegState::InternalRead);
   return false;
 }
 
@@ -1235,6 +1238,7 @@
   case MIToken::kw_dead:
   case MIToken::kw_killed:
   case MIToken::kw_undef:
+  case MIToken::kw_internal:
   case MIToken::kw_early_clobber:
   case MIToken::kw_debug_use:
   case MIToken::underscore:

llvm/lib/CodeGen/MIRPrinter.cpp

diff --git a/llvm/lib/CodeGen/MIRPrinter.cpp b/llvm/lib/CodeGen/MIRPrinter.cpp
index 8bb5203..957cb20 100644
--- a/llvm/lib/CodeGen/MIRPrinter.cpp
+++ b/llvm/lib/CodeGen/MIRPrinter.cpp
@@ -617,9 +617,11 @@
   printTargetFlags(Op);
   switch (Op.getType()) {
   case MachineOperand::MO_Register:
-    // TODO: Print the other register flags.
+    // FIXME: Serialize the tied register.
     if (Op.isImplicit())
       OS << (Op.isDef() ? "implicit-def " : "implicit ");
+    if (Op.isInternalRead())
+      OS << "internal ";
     if (Op.isDead())
       OS << "dead ";
     if (Op.isKill())