From 07643ce604e7d99b51199e40df467c9bbb9127ec Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 17 Mar 2008 06:56:52 +0000
Subject: [PATCH] Unbreak JIT. Ignore TargetInstrInfo::IMPLICIT_DEF.

llvm-svn: 48447
---
 lib/Target/Alpha/AlphaCodeEmitter.cpp | 1 +
 lib/Target/PowerPC/PPCCodeEmitter.cpp | 2 ++
 lib/Target/X86/X86CodeEmitter.cpp     | 1 +
 3 files changed, 4 insertions(+)

diff --git a/lib/Target/Alpha/AlphaCodeEmitter.cpp b/lib/Target/Alpha/AlphaCodeEmitter.cpp
index 0ae99a9dbb9..51a1404f32c 100644
--- a/lib/Target/Alpha/AlphaCodeEmitter.cpp
+++ b/lib/Target/Alpha/AlphaCodeEmitter.cpp
@@ -95,6 +95,7 @@ void AlphaCodeEmitter::emitBasicBlock(MachineBasicBlock &MBB) {
     case Alpha::ALTENT:
     case Alpha::PCLABEL:
     case Alpha::MEMLABEL:
+    case TargetInstrInfo::IMPLICIT_DEF:
       break; //skip these
     }
   }
diff --git a/lib/Target/PowerPC/PPCCodeEmitter.cpp b/lib/Target/PowerPC/PPCCodeEmitter.cpp
index d2bbebbed97..50c9664fbc9 100644
--- a/lib/Target/PowerPC/PPCCodeEmitter.cpp
+++ b/lib/Target/PowerPC/PPCCodeEmitter.cpp
@@ -112,6 +112,8 @@ void PPCCodeEmitter::emitBasicBlock(MachineBasicBlock &MBB) {
     case TargetInstrInfo::LABEL:
       MCE.emitLabel(MI.getOperand(0).getImm());
       break;
+    case TargetInstrInfo::IMPLICIT_DEF:
+      break; // pseudo opcode, no side effects
     case PPC::MovePCtoLR:
     case PPC::MovePCtoLR8:
       assert(TM.getRelocationModel() == Reloc::PIC_);
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 87481c7d7f1..e6cd4123413 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -621,6 +621,7 @@ void Emitter::emitInstruction(const MachineInstr &MI,
     case TargetInstrInfo::LABEL:
       MCE.emitLabel(MI.getOperand(0).getImm());
       break;
+    case TargetInstrInfo::IMPLICIT_DEF:
     case TargetInstrInfo::DECLARE:
     case X86::DWARF_LOC:
     case X86::FP_REG_KILL: