Add support for accurate garbage collection to the LLVM code generators


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13696 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 6e536f0..222fc82 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -1498,6 +1498,7 @@
 //===----------------------------------------------------------------------===//
 
 bool CTargetMachine::addPassesToEmitAssembly(PassManager &PM, std::ostream &o) {
+  PM.add(createLowerGCPass());
   PM.add(createLowerAllocationsPass());
   PM.add(createLowerInvokePass());
   PM.add(new CBackendNameAllUsedStructs());