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/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 0d9a0d6..a1884a6 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -59,6 +59,9 @@
 // does to emit statically compiled machine code.
 bool X86TargetMachine::addPassesToEmitAssembly(PassManager &PM,
 					       std::ostream &Out) {
+  // FIXME: Implement efficient support for garbage collection intrinsics.
+  PM.add(createLowerGCPass());
+
   // FIXME: Implement the invoke/unwind instructions!
   PM.add(createLowerInvokePass());
 
@@ -117,6 +120,8 @@
 /// not supported for this target.
 ///
 void X86JITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
+  // FIXME: Implement efficient support for garbage collection intrinsics.
+  PM.add(createLowerGCPass());
 
   // FIXME: Implement the invoke/unwind instructions!
   PM.add(createLowerInvokePass());