[llvm-commits] [llvm] r73767 - in /llvm/trunk/lib/Target/Sparc: AsmPrinter/SparcAsmPrinter.cpp SparcTargetMachine.cpp SparcTargetMachine.h

[Chris Lattner]

Author: lattner
Date: Fri Jun 19 10:48:10 2009
New Revision: 73767

URL: http://llvm.org/viewvc/llvm-project?rev=73767&view=rev
Log:
fix the sparc codegen to not depend on the sparc asmprinter.

Modified:
    llvm/trunk/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
    llvm/trunk/lib/Target/Sparc/SparcTargetMachine.cpp
    llvm/trunk/lib/Target/Sparc/SparcTargetMachine.h

Modified: llvm/trunk/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp?rev=73767&r1=73766&r2=73767&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp Fri Jun 19 10:48:10 2009
@@ -15,6 +15,7 @@
 #define DEBUG_TYPE "asm-printer"
 #include "Sparc.h"
 #include "SparcInstrInfo.h"
+#include "SparcTargetMachine.h"
 #include "llvm/Constants.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Module.h"
@@ -24,8 +25,6 @@
 #include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Support/Mangler.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/Statistic.h"
@@ -88,6 +87,7 @@
   return new SparcAsmPrinter(o, tm, tm.getTargetAsmInfo(), OptLevel, verbose);
 }
 
+
 /// runOnMachineFunction - This uses the printInstruction()
 /// method to print assembly for each instruction.
 ///
@@ -354,6 +354,14 @@
   return false;
 }
 
+namespace {
+  static struct Register {
+    Register() {
+      SparcTargetMachine::registerAsmPrinter(createSparcCodePrinterPass);
+    }
+  } Registrator;
+}
+
 // Force static initialization when called from
 // llvm/InitializeAllAsmPrinters.h
 namespace llvm {

Modified: llvm/trunk/lib/Target/Sparc/SparcTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcTargetMachine.cpp?rev=73767&r1=73766&r2=73767&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcTargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/SparcTargetMachine.cpp Fri Jun 19 10:48:10 2009
@@ -18,17 +18,13 @@
 #include "llvm/Target/TargetMachineRegistry.h"
 using namespace llvm;
 
-/// SparcTargetMachineModule - Note that this is used on hosts that
-/// cannot link in a library unless there are references into the
-/// library.  In particular, it seems that it is not possible to get
-/// things to work on Win32 without this.  Though it is unused, do not
-/// remove it.
-extern "C" int SparcTargetMachineModule;
-int SparcTargetMachineModule = 0;
-
 // Register the target.
 static RegisterTarget<SparcTargetMachine> X("sparc", "SPARC");
 
+// No assembler printer by default
+SparcTargetMachine::AsmPrinterCtorFn SparcTargetMachine::AsmPrinterCtor = 0;
+
+
 // Force static initialization when called from llvm/InitializeAllTargets.h
 namespace llvm {
   void InitializeSparcTarget() { }
@@ -94,6 +90,8 @@
                                             bool Verbose,
                                             raw_ostream &Out) {
   // Output assembly language.
-  PM.add(createSparcCodePrinterPass(Out, *this, OptLevel, Verbose));
+  assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+  if (AsmPrinterCtor)
+    PM.add(AsmPrinterCtor(Out, *this, OptLevel, Verbose));
   return false;
 }

Modified: llvm/trunk/lib/Target/Sparc/SparcTargetMachine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcTargetMachine.h?rev=73767&r1=73766&r2=73767&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcTargetMachine.h (original)
+++ llvm/trunk/lib/Target/Sparc/SparcTargetMachine.h Fri Jun 19 10:48:10 2009
@@ -35,6 +35,14 @@
 protected:
   virtual const TargetAsmInfo *createTargetAsmInfo() const;
   
+  // 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,
+                                            TargetMachine &tm,
+                                            CodeGenOpt::Level OptLevel,
+                                            bool verbose);
+  static AsmPrinterCtorFn AsmPrinterCtor;
+  
 public:
   SparcTargetMachine(const Module &M, const std::string &FS);
 
@@ -56,6 +64,10 @@
   virtual bool addAssemblyEmitter(PassManagerBase &PM,
                                   CodeGenOpt::Level OptLevel,
                                   bool Verbose, raw_ostream &Out);
+  
+  static void registerAsmPrinter(AsmPrinterCtorFn F) {
+    AsmPrinterCtor = F;
+  }
 };
 
 } // end namespace llvm