[llvm-commits] [llvm] r73573 - in /llvm/trunk/lib/Target/Mips: AsmPrinter/MipsAsmPrinter.cpp MipsTargetMachine.cpp MipsTargetMachine.h

[Chris Lattner]

Author: lattner
Date: Tue Jun 16 17:38:04 2009
New Revision: 73573

URL: http://llvm.org/viewvc/llvm-project?rev=73573&view=rev
Log:
fix a circular dependency between the mips code generator
and its asmprinter.

Modified:
    llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
    llvm/trunk/lib/Target/Mips/MipsTargetMachine.cpp
    llvm/trunk/lib/Target/Mips/MipsTargetMachine.h

Modified: llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp?rev=73573&r1=73572&r2=73573&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp Tue Jun 16 17:38:04 2009
@@ -579,6 +579,14 @@
   return AsmPrinter::doFinalization(M);
 }
 
+namespace {
+  static struct Register {
+    Register() {
+      MipsTargetMachine::registerAsmPrinter(createMipsCodePrinterPass);
+    }
+  } Registrator;
+}
+
 // Force static initialization when called from
 // llvm/InitializeAllAsmPrinters.h
 namespace llvm {

Modified: llvm/trunk/lib/Target/Mips/MipsTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsTargetMachine.cpp?rev=73573&r1=73572&r2=73573&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsTargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsTargetMachine.cpp Tue Jun 16 17:38:04 2009
@@ -31,6 +31,9 @@
 static RegisterTarget<MipsTargetMachine>    X("mips", "Mips");
 static RegisterTarget<MipselTargetMachine>  Y("mipsel", "Mipsel");
 
+MipsTargetMachine::AsmPrinterCtorFn MipsTargetMachine::AsmPrinterCtor = 0;
+
+
 // Force static initialization when called from llvm/InitializeAllTargets.h
 namespace llvm {
   void InitializeMipsTarget() { }
@@ -130,9 +133,9 @@
 // true if AssemblyEmitter is supported
 bool MipsTargetMachine::
 addAssemblyEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel, 
-                   bool Verbose, raw_ostream &Out) 
-{
+                   bool Verbose, raw_ostream &Out)  {
   // Output assembly language.
-  PM.add(createMipsCodePrinterPass(Out, *this, OptLevel, Verbose));
+  assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+  PM.add(AsmPrinterCtor(Out, *this, OptLevel, Verbose));
   return false;
 }

Modified: llvm/trunk/lib/Target/Mips/MipsTargetMachine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsTargetMachine.h?rev=73573&r1=73572&r2=73573&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsTargetMachine.h (original)
+++ llvm/trunk/lib/Target/Mips/MipsTargetMachine.h Tue Jun 16 17:38:04 2009
@@ -33,10 +33,23 @@
   
   protected:
     virtual const TargetAsmInfo *createTargetAsmInfo() const;
-  
+  protected:
+    // To avoid having target depend on the asmprinter stuff libraries,
+    // asmprinter set this functions to ctor pointer at startup time if they are
+    // linked in.
+    typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
+                                              MipsTargetMachine &tm,
+                                              CodeGenOpt::Level OptLevel,
+                                              bool verbose);
+    static AsmPrinterCtorFn AsmPrinterCtor;
+    
   public:
     MipsTargetMachine(const Module &M, const std::string &FS, bool isLittle);
 
+    static void registerAsmPrinter(AsmPrinterCtorFn F) {
+      AsmPrinterCtor = F;
+    }
+    
     virtual const MipsInstrInfo   *getInstrInfo()     const 
     { return &InstrInfo; }
     virtual const TargetFrameInfo *getFrameInfo()     const