From 7ab184a2a1cbf5b5b340d663e07550659438ed7c Mon Sep 17 00:00:00 2001
From: Ahmed Bougacha <ahmed.bougacha@gmail.com>
Date: Wed, 19 Jun 2013 20:18:59 +0000
Subject: [PATCH] Allow creation of single-byte MCAtoms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184344 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/MC/MCModule.cpp             | 2 +-
 lib/MC/MCObjectDisassembler.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/MC/MCModule.cpp b/lib/MC/MCModule.cpp
index 17619d9392e..5890b4bd028 100644
--- a/lib/MC/MCModule.cpp
+++ b/lib/MC/MCModule.cpp
@@ -21,7 +21,7 @@ static bool AtomComp(const MCAtom *L, uint64_t Addr) {
 void MCModule::map(MCAtom *NewAtom) {
   uint64_t Begin = NewAtom->Begin;
 
-  assert(Begin < NewAtom->End && "Creating MCAtom with endpoints reversed?");
+  assert(Begin <= NewAtom->End && "Creating MCAtom with endpoints reversed?");
 
   // Check for atoms already covering this range.
   AtomListTy::iterator I = std::lower_bound(atom_begin(), atom_end(),
diff --git a/lib/MC/MCObjectDisassembler.cpp b/lib/MC/MCObjectDisassembler.cpp
index bb3de1779e1..1ea6eed3078 100644
--- a/lib/MC/MCObjectDisassembler.cpp
+++ b/lib/MC/MCObjectDisassembler.cpp
@@ -126,6 +126,7 @@ void MCObjectDisassembler::buildCFG(MCModule *Module) {
     MCTextAtom *TA = dyn_cast<MCTextAtom>(*AI);
     if (!TA) continue;
     Calls.insert(TA->getBeginAddr());
+    BBInfos[TA->getBeginAddr()].Atom = TA;
     for (MCTextAtom::const_iterator II = TA->begin(), IE = TA->end();
          II != IE; ++II) {
       if (MIA.isTerminator(II->Inst))
@@ -145,7 +146,6 @@ void MCObjectDisassembler::buildCFG(MCModule *Module) {
     MCAtom *A = Module->findAtomContaining(*SI);
     if (!A) continue;
     MCTextAtom *TA = cast<MCTextAtom>(A);
-    BBInfos[TA->getBeginAddr()].Atom = TA;
     if (TA->getBeginAddr() == *SI)
       continue;
     MCTextAtom *NewAtom = TA->split(*SI);