Attach a GCModuleInfo to a MachineFunction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117867 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 11 insertions, 4 deletions

diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index 9347ae3cb3..f31c99a6f9 100644
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -28,6 +28,7 @@ namespace llvm {
 
 class Value;
 class Function;
+class GCModuleInfo;
 class MachineRegisterInfo;
 class MachineFrameInfo;
 class MachineConstantPool;
@@ -75,6 +76,7 @@ class MachineFunction {
   const TargetMachine &Target;
   MCContext &Ctx;
   MachineModuleInfo &MMI;
+  GCModuleInfo *GMI;
   
   // RegInfo - Information about each register in use in the function.
   MachineRegisterInfo *RegInfo;
@@ -127,10 +129,12 @@ class MachineFunction {
   void operator=(const MachineFunction&);   // DO NOT IMPLEMENT
 public:
   MachineFunction(const Function *Fn, const TargetMachine &TM,
-                  unsigned FunctionNum, MachineModuleInfo &MMI);
+                  unsigned FunctionNum, MachineModuleInfo &MMI,
+                  GCModuleInfo* GMI);
   ~MachineFunction();
 
   MachineModuleInfo &getMMI() const { return MMI; }
+  GCModuleInfo *getGMI() const { return GMI; }
   MCContext &getContext() const { return Ctx; }
   
   /// getFunction - Return the LLVM function that this machine code represents
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 4a23d6e88d..e2c2bd5ed9 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -52,8 +52,9 @@ void ilist_traits<MachineBasicBlock>::deleteNode(MachineBasicBlock *MBB) {
 }
 
 MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
-                                 unsigned FunctionNum, MachineModuleInfo &mmi)
-  : Fn(F), Target(TM), Ctx(mmi.getContext()), MMI(mmi) {
+                                 unsigned FunctionNum, MachineModuleInfo &mmi,
+                                 GCModuleInfo* gmi)
+  : Fn(F), Target(TM), Ctx(mmi.getContext()), MMI(mmi), GMI(gmi) {
   if (TM.getRegisterInfo())
     RegInfo = new (Allocator) MachineRegisterInfo(*TM.getRegisterInfo());
   else
diff --git a/lib/CodeGen/MachineFunctionAnalysis.cpp b/lib/CodeGen/MachineFunctionAnalysis.cpp
index 4f84b952e0..3c10005b2d 100644
--- a/lib/CodeGen/MachineFunctionAnalysis.cpp
+++ b/lib/CodeGen/MachineFunctionAnalysis.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
+#include "llvm/CodeGen/GCMetadata.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 using namespace llvm;
@@ -52,7 +53,8 @@ bool MachineFunctionAnalysis::doInitialization(Module &M) {
 bool MachineFunctionAnalysis::runOnFunction(Function &F) {
   assert(!MF && "MachineFunctionAnalysis already initialized!");
   MF = new MachineFunction(&F, TM, NextFnNum++,
-                           getAnalysis<MachineModuleInfo>());
+                           getAnalysis<MachineModuleInfo>(),
+                           getAnalysisIfAvailable<GCModuleInfo>());
   return false;
 }