[Orc] New JIT APIs.
[oota-llvm.git] / lib / CodeGen / LLVMTargetMachine.cpp
index 8afdf5dc46763ceb8b008106c98516b1b8ae24f7..ae21489d5e669e9576cf10fc229f32eccf34d418 100644 (file)
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Target/TargetMachine.h"
-
+#include "llvm/Analysis/JumpInstrTableInfo.h"
 #include "llvm/Analysis/Passes.h"
 #include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/ForwardControlFlowIntegrity.h"
 #include "llvm/CodeGen/JumpInstrTables.h"
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
@@ -143,8 +144,13 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
                                             AnalysisID StopAfter) {
   // Passes to handle jumptable function annotations. These can't be handled at
   // JIT time, so we don't add them directly to addPassesToGenerateCode.
-  PM.add(createJumpInstrTableInfoPass());
+  PM.add(createJumpInstrTableInfoPass(
+      getSubtargetImpl()->getInstrInfo()->getJumpInstrTableEntryBound()));
   PM.add(createJumpInstrTablesPass(Options.JTType));
+  if (Options.FCFI)
+    PM.add(createForwardControlFlowIntegrityPass(
+        Options.JTType, Options.CFIType, Options.CFIEnforcing,
+        Options.getCFIFuncName()));
 
   // Add common CodeGen passes.
   MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify,
@@ -215,13 +221,11 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
   }
 
   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
-  FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
+  FunctionPass *Printer =
+      getTarget().createAsmPrinter(*this, std::move(AsmStreamer));
   if (!Printer)
     return true;
 
-  // If successful, createAsmPrinter took ownership of AsmStreamer.
-  AsmStreamer.release();
-
   PM.add(Printer);
 
   return false;
@@ -255,20 +259,16 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
   if (!MCE || !MAB)
     return true;
 
-  std::unique_ptr<MCStreamer> AsmStreamer;
-  AsmStreamer.reset(getTarget()
-                        .createMCObjectStreamer(getTargetTriple(), *Ctx, *MAB,
-                                                Out, MCE, STI,
-                                                Options.MCOptions.MCRelaxAll));
+  std::unique_ptr<MCStreamer> AsmStreamer(getTarget().createMCObjectStreamer(
+      getTargetTriple(), *Ctx, *MAB, Out, MCE, STI,
+      Options.MCOptions.MCRelaxAll));
 
   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
-  FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
+  FunctionPass *Printer =
+      getTarget().createAsmPrinter(*this, std::move(AsmStreamer));
   if (!Printer)
     return true;
 
-  // If successful, createAsmPrinter took ownership of AsmStreamer.
-  AsmStreamer.release();
-
   PM.add(Printer);
 
   return false; // success!