Introduce a new function to lower 256-bit vectors which are not
[oota-llvm.git] / lib / CodeGen / MachineFunctionAnalysis.cpp
index faddcb2920145568216a0555a1045ee10deac392..054c750c9f2b9efb8c2b2fecef42075b9906b976 100644 (file)
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
+#include "llvm/CodeGen/GCMetadata.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 using namespace llvm;
 
-// Register this pass with PassInfo directly to avoid having to define
-// a default constructor.
-static PassInfo
-X("Machine Function Analysis", "machine-function-analysis",
-  intptr_t(&MachineFunctionAnalysis::ID), 0,
-  /*CFGOnly=*/false, /*is_analysis=*/true);
-
 char MachineFunctionAnalysis::ID = 0;
 
 MachineFunctionAnalysis::MachineFunctionAnalysis(const TargetMachine &tm,
                                                  CodeGenOpt::Level OL) :
-  FunctionPass(&ID), TM(tm), OptLevel(OL), MF(0) {
+  FunctionPass(ID), TM(tm), OptLevel(OL), MF(0) {
+  initializeMachineModuleInfoPass(*PassRegistry::getPassRegistry());
 }
 
 MachineFunctionAnalysis::~MachineFunctionAnalysis() {
@@ -35,10 +30,25 @@ MachineFunctionAnalysis::~MachineFunctionAnalysis() {
   assert(!MF && "MachineFunctionAnalysis left initialized!");
 }
 
+void MachineFunctionAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.setPreservesAll();
+  AU.addRequired<MachineModuleInfo>();
+}
+
+bool MachineFunctionAnalysis::doInitialization(Module &M) {
+  MachineModuleInfo *MMI = getAnalysisIfAvailable<MachineModuleInfo>();
+  assert(MMI && "MMI not around yet??");
+  MMI->setModule(&M);
+  NextFnNum = 0;
+  return false;
+}
+
+
 bool MachineFunctionAnalysis::runOnFunction(Function &F) {
   assert(!MF && "MachineFunctionAnalysis already initialized!");
   MF = new MachineFunction(&F, TM, NextFnNum++,
-                           getAnalysis<MachineModuleInfo>());
+                           getAnalysis<MachineModuleInfo>(),
+                           getAnalysisIfAvailable<GCModuleInfo>());
   return false;
 }
 
@@ -46,8 +56,3 @@ void MachineFunctionAnalysis::releaseMemory() {
   delete MF;
   MF = 0;
 }
-
-void MachineFunctionAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
-  AU.setPreservesAll();
-  AU.addRequired<MachineModuleInfo>();
-}