#include "BugDriver.h"
#include "ListReducer.h"
+#include "ToolRunner.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Instructions.h"
#include "llvm/Module.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/Verifier.h"
-#include "llvm/Support/Mangler.h"
#include "llvm/Transforms/Utils/Cloning.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileUtilities.h"
using namespace llvm;
namespace llvm {
+ extern cl::opt<std::string> OutputPrefix;
extern cl::list<std::string> InputArgv;
}
return TestFn(BD, ToOptimize, ToNotOptimize);
}
-/// DisambiguateGlobalSymbols - Mangle symbols to guarantee uniqueness by
-/// modifying predominantly internal symbols rather than external ones.
+/// DisambiguateGlobalSymbols - Give anonymous global values names.
///
static void DisambiguateGlobalSymbols(Module *M) {
- // Try not to cause collisions by minimizing chances of renaming an
- // already-external symbol, so take in external globals and functions as-is.
- // The code should work correctly without disambiguation (assuming the same
- // mangler is used by the two code generators), but having symbols with the
- // same name causes warnings to be emitted by the code generator.
- Mangler Mang(*M);
- // Agree with the CBE on symbol naming
- Mang.markCharUnacceptable('.');
for (Module::global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
// Don't mangle asm names.
- if (!I->hasName() || I->getName()[0] != 1)
- I->setName(Mang.getMangledName(I));
+ if (!I->hasName())
+ I->setName("anon_global");
}
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) {
- // Don't mangle asm names or intrinsics.
- if ((!I->hasName() || I->getName()[0] != 1) &&
- I->getIntrinsicID() == 0)
- I->setName(Mang.getMangledName(I));
+ if (!I->hasName())
+ I->setName("anon_fn");
}
}
<< " Please report a bug!\n";
errs() << " Continuing on with un-loop-extracted version.\n";
- BD.writeProgramToFile("bugpoint-loop-extract-fail-tno.bc", ToNotOptimize);
- BD.writeProgramToFile("bugpoint-loop-extract-fail-to.bc", ToOptimize);
- BD.writeProgramToFile("bugpoint-loop-extract-fail-to-le.bc",
+ BD.writeProgramToFile(OutputPrefix + "-loop-extract-fail-tno.bc",
+ ToNotOptimize);
+ BD.writeProgramToFile(OutputPrefix + "-loop-extract-fail-to.bc",
+ ToOptimize);
+ BD.writeProgramToFile(OutputPrefix + "-loop-extract-fail-to-le.bc",
ToOptimizeLoopExtracted);
- errs() << "Please submit the bugpoint-loop-extract-fail-*.bc files.\n";
+ errs() << "Please submit the "
+ << OutputPrefix << "-loop-extract-fail-*.bc files.\n";
delete ToOptimize;
delete ToNotOptimize;
delete ToOptimizeLoopExtracted;
ExtractLoops(BD, TestFn, MiscompiledFunctions)) {
// Okay, we extracted some loops and the problem still appears. See if we
// can eliminate some of the created functions from being candidates.
-
- // Loop extraction can introduce functions with the same name (foo_code).
- // Make sure to disambiguate the symbols so that when the program is split
- // apart that we can link it back together again.
DisambiguateGlobalSymbols(BD.getProgram());
// Do the reduction...
ExtractBlocks(BD, TestFn, MiscompiledFunctions)) {
// Okay, we extracted some blocks and the problem still appears. See if we
// can eliminate some of the created functions from being candidates.
-
- // Block extraction can introduce functions with the same name (foo_code).
- // Make sure to disambiguate the symbols so that when the program is split
- // apart that we can link it back together again.
DisambiguateGlobalSymbols(BD.getProgram());
// Do the reduction...
///
static void CleanupAndPrepareModules(BugDriver &BD, Module *&Test,
Module *Safe) {
- LLVMContext &Context = BD.getContext();
-
// Clean up the modules, removing extra cruft that we don't need anymore...
Test = BD.performFinalCleanups(Test);
}
// Call the old main function and return its result
- BasicBlock *BB = BasicBlock::Create("entry", newMain);
+ BasicBlock *BB = BasicBlock::Create(Safe->getContext(), "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
- ReturnInst::Create(call, BB);
+ ReturnInst::Create(Safe->getContext(), call, BB);
}
// The second nasty issue we must deal with in the JIT is that the Safe
// Prototype: void *getPointerToNamedFunction(const char* Name)
Constant *resolverFunc =
Safe->getOrInsertFunction("getPointerToNamedFunction",
- PointerType::getUnqual(Type::Int8Ty),
- PointerType::getUnqual(Type::Int8Ty), (Type *)0);
+ Type::getInt8PtrTy(Safe->getContext()),
+ Type::getInt8PtrTy(Safe->getContext()),
+ (Type *)0);
// Use the function we just added to get addresses of functions we need.
for (Module::iterator F = Safe->begin(), E = Safe->end(); F != E; ++F) {
// Don't forward functions which are external in the test module too.
if (TestFn && !TestFn->isDeclaration()) {
// 1. Add a string constant with its name to the global file
- Constant *InitArray = ConstantArray::get(F->getName());
+ Constant *InitArray = ConstantArray::get(F->getContext(), F->getName());
GlobalVariable *funcName =
new GlobalVariable(*Safe, InitArray->getType(), true /*isConstant*/,
GlobalValue::InternalLinkage, InitArray,
// sbyte* so it matches the signature of the resolver function.
// GetElementPtr *funcName, ulong 0, ulong 0
- std::vector<Constant*> GEPargs(2, Context.getNullValue(Type::Int32Ty));
+ std::vector<Constant*> GEPargs(2,
+ Constant::getNullValue(Type::getInt32Ty(F->getContext())));
Value *GEP =
ConstantExpr::getGetElementPtr(funcName, &GEPargs[0], 2);
std::vector<Value*> ResolverArgs;
// function that dynamically resolves the calls to F via our JIT API
if (!F->use_empty()) {
// Create a new global to hold the cached function pointer.
- Constant *NullPtr = Context.getConstantPointerNull(F->getType());
+ Constant *NullPtr = ConstantPointerNull::get(F->getType());
GlobalVariable *Cache =
new GlobalVariable(*F->getParent(), F->getType(),
false, GlobalValue::InternalLinkage,
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);
+ BasicBlock *EntryBB = BasicBlock::Create(F->getContext(),
+ "entry", FuncWrapper);
+ BasicBlock *DoCallBB = BasicBlock::Create(F->getContext(),
+ "usecache", FuncWrapper);
+ BasicBlock *LookupBB = BasicBlock::Create(F->getContext(),
+ "lookupfp", FuncWrapper);
// Check to see if we already looked up the value.
Value *CachedVal = new LoadInst(Cache, "fpcache", EntryBB);
Args.push_back(i);
// Pass on the arguments to the real function, return its result
- if (F->getReturnType() == Type::VoidTy) {
+ if (F->getReturnType() == Type::getVoidTy(F->getContext())) {
CallInst::Create(FuncPtr, Args.begin(), Args.end(), "", DoCallBB);
- ReturnInst::Create(DoCallBB);
+ ReturnInst::Create(F->getContext(), DoCallBB);
} else {
CallInst *Call = CallInst::Create(FuncPtr, Args.begin(), Args.end(),
"retval", DoCallBB);
- ReturnInst::Create(Call, DoCallBB);
+ ReturnInst::Create(F->getContext(),Call, DoCallBB);
}
// Use the wrapper function instead of the old function
<< ErrMsg << "\n";
exit(1);
}
- if (BD.writeProgramToFile(TestModuleBC.toString(), Test)) {
- errs() << "Error writing bitcode to `" << TestModuleBC << "'\nExiting.";
+ if (BD.writeProgramToFile(TestModuleBC.str(), Test)) {
+ errs() << "Error writing bitcode to `" << TestModuleBC.str()
+ << "'\nExiting.";
exit(1);
}
delete Test;
exit(1);
}
- if (BD.writeProgramToFile(SafeModuleBC.toString(), Safe)) {
- errs() << "Error writing bitcode to `" << SafeModuleBC << "'\nExiting.";
+ if (BD.writeProgramToFile(SafeModuleBC.str(), Safe)) {
+ errs() << "Error writing bitcode to `" << SafeModuleBC.str()
+ << "'\nExiting.";
exit(1);
}
- std::string SharedObject = BD.compileSharedObject(SafeModuleBC.toString());
+ std::string SharedObject = BD.compileSharedObject(SafeModuleBC.str());
delete Safe;
// Run the code generator on the `Test' code, loading the shared library.
// The function returns whether or not the new output differs from reference.
- int Result = BD.diffProgram(TestModuleBC.toString(), SharedObject, false);
+ int Result = BD.diffProgram(TestModuleBC.str(), SharedObject, false);
if (Result)
errs() << ": still failing!\n";
exit(1);
}
- if (writeProgramToFile(TestModuleBC.toString(), ToCodeGen)) {
- errs() << "Error writing bitcode to `" << TestModuleBC << "'\nExiting.";
+ if (writeProgramToFile(TestModuleBC.str(), ToCodeGen)) {
+ errs() << "Error writing bitcode to `" << TestModuleBC.str()
+ << "'\nExiting.";
exit(1);
}
delete ToCodeGen;
exit(1);
}
- if (writeProgramToFile(SafeModuleBC.toString(), ToNotCodeGen)) {
- errs() << "Error writing bitcode to `" << SafeModuleBC << "'\nExiting.";
+ if (writeProgramToFile(SafeModuleBC.str(), ToNotCodeGen)) {
+ errs() << "Error writing bitcode to `" << SafeModuleBC.str()
+ << "'\nExiting.";
exit(1);
}
- std::string SharedObject = compileSharedObject(SafeModuleBC.toString());
+ std::string SharedObject = compileSharedObject(SafeModuleBC.str());
delete ToNotCodeGen;
outs() << "You can reproduce the problem with the command line: \n";
if (isExecutingJIT()) {
- outs() << " lli -load " << SharedObject << " " << TestModuleBC;
+ outs() << " lli -load " << SharedObject << " " << TestModuleBC.str();
} else {
- outs() << " llc -f " << TestModuleBC << " -o " << TestModuleBC<< ".s\n";
- outs() << " gcc " << SharedObject << " " << TestModuleBC
- << ".s -o " << TestModuleBC << ".exe";
+ outs() << " llc -f " << TestModuleBC.str() << " -o " << TestModuleBC.str()
+ << ".s\n";
+ outs() << " gcc " << SharedObject << " " << TestModuleBC.str()
+ << ".s -o " << TestModuleBC.str() << ".exe";
#if defined (HAVE_LINK_R)
outs() << " -Wl,-R.";
#endif
outs() << "\n";
- outs() << " " << TestModuleBC << ".exe";
+ outs() << " " << TestModuleBC.str() << ".exe";
}
for (unsigned i=0, e = InputArgv.size(); i != e; ++i)
outs() << " " << InputArgv[i];
outs() << '\n';
outs() << "The shared object was created with:\n llc -march=c "
- << SafeModuleBC << " -o temporary.c\n"
- << " gcc -xc temporary.c -O2 -o " << SharedObject
-#if defined(sparc) || defined(__sparc__) || defined(__sparcv9)
- << " -G" // Compile a shared library, `-G' for Sparc
-#else
- << " -fPIC -shared" // `-shared' for Linux/X86, maybe others
-#endif
- << " -fno-strict-aliasing\n";
+ << SafeModuleBC.str() << " -o temporary.c\n"
+ << " gcc -xc temporary.c -O2 -o " << SharedObject;
+ if (TargetTriple.getArch() == Triple::sparc)
+ outs() << " -G"; // Compile a shared library, `-G' for Sparc
+ else
+ outs() << " -fPIC -shared"; // `-shared' for Linux/X86, maybe others
+
+ outs() << " -fno-strict-aliasing\n";
return false;
}