small fixes to enable the reuse of the pass manager across multiple modules

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171475 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 4 insertions, 2 deletions

diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp
index 1869fe3d93..0ea9ae0fcc 100644
--- a/lib/CodeGen/MachineModuleInfo.cpp
+++ b/lib/CodeGen/MachineModuleInfo.cpp
@@ -266,7 +266,6 @@ MachineModuleInfo::MachineModuleInfo()
 }
 
 MachineModuleInfo::~MachineModuleInfo() {
-  delete ObjFileMMI;
 }
 
 bool MachineModuleInfo::doInitialization(Module &M) {
@@ -294,6 +293,9 @@ bool MachineModuleInfo::doFinalization(Module &M) {
 
   Context.reset();
 
+  delete ObjFileMMI;
+  ObjFileMMI = 0;
+
   return false;
 }
 
diff --git a/lib/MC/MCObjectStreamer.cpp b/lib/MC/MCObjectStreamer.cpp
index e36e181ff5..6d5c0a54f3 100644
--- a/lib/MC/MCObjectStreamer.cpp
+++ b/lib/MC/MCObjectStreamer.cpp
@@ -47,6 +47,7 @@ MCObjectStreamer::~MCObjectStreamer() {
 void MCObjectStreamer::reset() {
   if (Assembler)
     Assembler->reset();
+  CurSectionData = 0;
   MCStreamer::reset();
 }
 
diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 6f0ada277c..7dffc3e21b 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -41,7 +41,6 @@ void MCStreamer::reset() {
   EmitDebugFrame = false;
   CurrentW64UnwindInfo = 0;
   LastSymbol = 0;
-  AutoInitSections = false;
   const MCSection *section = NULL;
   SectionStack.clear();
   SectionStack.push_back(std::make_pair(section, section));