[llvm-commits] CVS: llvm-java/lib/Transforms/StubAdder.cpp Makefile

[Alkis Evlogimenos]

Changes in directory llvm-java/lib/Transforms:

StubAdder.cpp added (r1.1)
Makefile added (r1.1)
---
Log message:

Remove the hack from compiler that adds stub returns to undefined
functions. Use a pass instead to add stubs after we link a module with
the runtime.


---
Diffs of the changes:  (+54 -0)

 Makefile      |   14 ++++++++++++++
 StubAdder.cpp |   40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)


Index: llvm-java/lib/Transforms/StubAdder.cpp
diff -c /dev/null llvm-java/lib/Transforms/StubAdder.cpp:1.1
*** /dev/null	Mon Feb  7 20:26:42 2005
--- llvm-java/lib/Transforms/StubAdder.cpp	Mon Feb  7 20:26:32 2005
***************
*** 0 ****
--- 1,40 ----
+ //===- Hello.cpp - Example code from "Writing an LLVM Pass" ---------------===//
+ // 
+ //                     The LLVM Compiler Infrastructure
+ //
+ // This file was developed by the LLVM research group and is distributed under
+ // the University of Illinois Open Source License. See LICENSE.TXT for details.
+ // 
+ //===----------------------------------------------------------------------===//
+ //
+ // This file implements two versions of the LLVM "Hello World" pass described
+ // in docs/WritingAnLLVMPass.html
+ //
+ //===----------------------------------------------------------------------===//
+ 
+ #include "llvm/Pass.h"
+ #include "llvm/Function.h"
+ #include "llvm/Module.h"
+ #include "llvm/Type.h"
+ #include "llvm/Instructions.h"
+ #include "llvm/Constants.h"
+ 
+ using namespace llvm;
+ 
+ namespace {
+   // Hello - The first implementation, without getAnalysisUsage.
+   struct StubAdder : public ModulePass {
+     virtual bool runOnModule(Module &M) {
+       for (Module::iterator F = M.begin(), E = M.end(); F != E; ++F)
+         if (F->empty() && F->getName().find("java") != std::string::npos) {
+           BasicBlock* entry = new BasicBlock("entry", F);
+           if (F->getReturnType() == Type::VoidTy)
+             new ReturnInst(NULL, entry);
+           else
+             new ReturnInst(UndefValue::get(F->getReturnType()), entry);
+         }
+       return true;
+     }
+   };
+   RegisterOpt<StubAdder> X("stubadder", "Stub Adder Pass");
+ }


Index: llvm-java/lib/Transforms/Makefile
diff -c /dev/null llvm-java/lib/Transforms/Makefile:1.1
*** /dev/null	Mon Feb  7 20:26:44 2005
--- llvm-java/lib/Transforms/Makefile	Mon Feb  7 20:26:32 2005
***************
*** 0 ****
--- 1,14 ----
+ ##===- lib/Transforms/Makefile -----------------------------*- Makefile -*-===##
+ # 
+ #                     The LLVM Compiler Infrastructure
+ #
+ # This file was developed by the LLVM research group and is distributed under
+ # the University of Illinois Open Source License. See LICENSE.TXT for details.
+ # 
+ ##===----------------------------------------------------------------------===##
+ LEVEL = ../..
+ LIBRARYNAME = LLVMJavaTransforms
+ SHARED_LIBRARY = 1
+ LOADABLE_MODULE = 1
+ 
+ include $(LEVEL)/Makefile.common