6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-25 13:24:46 +00:00
Code Issues Projects Releases Wiki Activity

API changes for class Use size reduction, wave 1.

Browse Source 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49277 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2008-04-06 20:25:17 +00:00
parent d963ab1f58
commit 051a950000
73 changed files with 979 additions and 692 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
tools/bugpoint/Miscompilation.cpp
View File

@@ -644,14 +644,14 @@ static void CleanupAndPrepareModules(BugDriver &BD, Module *&Test,
// Rename it
oldMain->setName("llvm_bugpoint_old_main");
// Create a NEW `main' function with same type in the test module.
Function *newMain = new Function(oldMain->getFunctionType(),
GlobalValue::ExternalLinkage,
"main", Test);
Function *newMain = Function::Create(oldMain->getFunctionType(),
GlobalValue::ExternalLinkage,
"main", Test);
// Create an `oldmain' prototype in the test module, which will
// corresponds to the real main function in the same module.
Function *oldMainProto = new Function(oldMain->getFunctionType(),
GlobalValue::ExternalLinkage,
oldMain->getName(), Test);
Function *oldMainProto = Function::Create(oldMain->getFunctionType(),
GlobalValue::ExternalLinkage,
oldMain->getName(), Test);
// Set up and remember the argument list for the main function.
std::vector<Value*> args;
for (Function::arg_iterator
@@ -662,12 +662,12 @@ static void CleanupAndPrepareModules(BugDriver &BD, Module *&Test,
}
// Call the old main function and return its result
BasicBlock *BB = new BasicBlock("entry", newMain);
CallInst *call = new CallInst(oldMainProto, args.begin(), args.end(),
"", BB);
BasicBlock *BB = BasicBlock::Create("entry", newMain);
CallInst *call = CallInst::Create(oldMainProto, args.begin(), args.end(),
"", BB);
// If the type of old function wasn't void, return value of call
new ReturnInst(call, BB);
ReturnInst::Create(call, BB);
}
// The second nasty issue we must deal with in the JIT is that the Safe
@@ -717,35 +717,35 @@ static void CleanupAndPrepareModules(BugDriver &BD, Module *&Test,
// Construct a new stub function that will re-route calls to F
const FunctionType *FuncTy = F->getFunctionType();
Function *FuncWrapper = new Function(FuncTy,
GlobalValue::InternalLinkage,
F->getName() + "_wrapper",
F->getParent());
BasicBlock *EntryBB = new BasicBlock("entry", FuncWrapper);
BasicBlock *DoCallBB = new BasicBlock("usecache", FuncWrapper);
BasicBlock *LookupBB = new BasicBlock("lookupfp", FuncWrapper);
Function *FuncWrapper = Function::Create(FuncTy,
GlobalValue::InternalLinkage,
F->getName() + "_wrapper",
F->getParent());
BasicBlock *EntryBB = BasicBlock::Create("entry", FuncWrapper);
BasicBlock *DoCallBB = BasicBlock::Create("usecache", FuncWrapper);
BasicBlock *LookupBB = BasicBlock::Create("lookupfp", FuncWrapper);
// Check to see if we already looked up the value.
Value *CachedVal = new LoadInst(Cache, "fpcache", EntryBB);
Value *IsNull = new ICmpInst(ICmpInst::ICMP_EQ, CachedVal,
NullPtr, "isNull", EntryBB);
new BranchInst(LookupBB, DoCallBB, IsNull, EntryBB);
BranchInst::Create(LookupBB, DoCallBB, IsNull, EntryBB);
// Resolve the call to function F via the JIT API:
//
// call resolver(GetElementPtr...)
CallInst *Resolver = new CallInst(resolverFunc, ResolverArgs.begin(),
ResolverArgs.end(),
"resolver", LookupBB);
CallInst *Resolver = CallInst::Create(resolverFunc, ResolverArgs.begin(),
ResolverArgs.end(),
"resolver", LookupBB);
// cast the result from the resolver to correctly-typed function
CastInst *CastedResolver = new BitCastInst(Resolver,
PointerType::getUnqual(F->getFunctionType()), "resolverCast", LookupBB);
// Save the value in our cache.
new StoreInst(CastedResolver, Cache, LookupBB);
new BranchInst(DoCallBB, LookupBB);
BranchInst::Create(DoCallBB, LookupBB);
PHINode *FuncPtr = new PHINode(NullPtr->getType(), "fp", DoCallBB);
PHINode *FuncPtr = PHINode::Create(NullPtr->getType(), "fp", DoCallBB);
FuncPtr->addIncoming(CastedResolver, LookupBB);
FuncPtr->addIncoming(CachedVal, EntryBB);
@@ -757,12 +757,12 @@ static void CleanupAndPrepareModules(BugDriver &BD, Module *&Test,
// Pass on the arguments to the real function, return its result
if (F->getReturnType() == Type::VoidTy) {
new CallInst(FuncPtr, Args.begin(), Args.end(), "", DoCallBB);
new ReturnInst(DoCallBB);
CallInst::Create(FuncPtr, Args.begin(), Args.end(), "", DoCallBB);
ReturnInst::Create(DoCallBB);
} else {
CallInst *Call = new CallInst(FuncPtr, Args.begin(), Args.end(),
"retval", DoCallBB);
new ReturnInst(Call, DoCallBB);
CallInst *Call = CallInst::Create(FuncPtr, Args.begin(), Args.end(),
"retval", DoCallBB);
ReturnInst::Create(Call, DoCallBB);
}
// Use the wrapper function instead of the old function