[llvm-commits] [llvm] r94732 - in /llvm/trunk: include/llvm/CodeGen/AsmPrinter.h lib/CodeGen/AsmPrinter/AsmPrinter.cpp

[Chris Lattner]

Author: lattner
Date: Wed Jan 27 19:58:58 2010
New Revision: 94732

URL: http://llvm.org/viewvc/llvm-project?rev=94732&view=rev
Log:
add target hooks for emitting random gunk before and after the function body.

Modified:
    llvm/trunk/include/llvm/CodeGen/AsmPrinter.h
    llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

Modified: llvm/trunk/include/llvm/CodeGen/AsmPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/AsmPrinter.h?rev=94732&r1=94731&r2=94732&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/AsmPrinter.h (original)
+++ llvm/trunk/include/llvm/CodeGen/AsmPrinter.h Wed Jan 27 19:58:58 2010
@@ -233,6 +233,14 @@
       assert(0 && "EmitInstruction not implemented");
     }
     
+    /// EmitFunctionBodyStart - Targets can override this to emit stuff before
+    /// the first basic block in the function.
+    virtual void EmitFunctionBodyStart() {}
+
+    /// EmitFunctionBodyEnd - Targets can override this to emit stuff after
+    /// the last basic block in the function.
+    virtual void EmitFunctionBodyEnd() {}
+    
     /// EmitConstantPool - Print to the current output stream assembly
     /// representations of the constants in the constant pool MCP. This is
     /// used to print out constants which have been "spilled to memory" by

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp?rev=94732&r1=94731&r2=94732&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp Wed Jan 27 19:58:58 2010
@@ -344,6 +344,9 @@
 /// EmitFunctionBody - This method emits the body and trailer for a
 /// function.
 void AsmPrinter::EmitFunctionBody() {
+  // Emit target-specific gunk before the function body.
+  EmitFunctionBodyStart();
+  
   // Print out code for the function.
   bool HasAnyRealCode = false;
   for (MachineFunction::const_iterator I = MF->begin(), E = MF->end();
@@ -378,6 +381,9 @@
   if (MAI->hasSubsectionsViaSymbols() && !HasAnyRealCode)
     OutStreamer.EmitIntValue(0, 1, 0/*addrspace*/);
   
+  // Emit target-specific gunk after the function body.
+  EmitFunctionBodyEnd();
+  
   if (MAI->hasDotTypeDotSizeDirective())
     O << "\t.size\t" << *CurrentFnSym << ", .-" << *CurrentFnSym << '\n';