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Make more stuff public. Make the instruction argument to

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deleteInstructionFromProgram be const


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11606 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-02-18 21:50:26 +00:00
parent a36ec88203
commit 0cc8807029
2 changed files with 31 additions and 30 deletions
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40
tools/bugpoint/BugDriver.h
View File

@ -152,6 +152,26 @@ public:
bool diffProgram(const std::string &BytecodeFile = "",
const std::string &SharedObj = "",
bool RemoveBytecode = false);
/// EmitProgressBytecode - This function is used to output the current Program
/// to a file named "bugpoint-ID.bc".
///
void EmitProgressBytecode(const std::string &ID, bool NoFlyer = false);
/// deleteInstructionFromProgram - This method clones the current Program and
/// deletes the specified instruction from the cloned module. It then runs a
/// series of cleanup passes (ADCE and SimplifyCFG) to eliminate any code
/// which depends on the value. The modified module is then returned.
///
Module *deleteInstructionFromProgram(const Instruction *I, unsigned Simp)
const;
/// performFinalCleanups - This method clones the current Program and performs
/// a series of cleanups intended to get rid of extra cruft on the module. If
/// the MayModifySemantics argument is true, then the cleanups is allowed to
/// modify how the code behaves.
///
Module *performFinalCleanups(Module *M, bool MayModifySemantics = false);
private:
/// ParseInputFile - Given a bytecode or assembly input filename, parse and
/// return it, or return null if not possible.
@ -163,12 +183,6 @@ private:
///
bool writeProgramToFile(const std::string &Filename, Module *M = 0) const;
/// EmitProgressBytecode - This function is used to output the current Program
/// to a file named "bugpoint-ID.bc".
///
void EmitProgressBytecode(const std::string &ID, bool NoFlyer = false);
/// runPasses - Run the specified passes on Program, outputting a bytecode
/// file and writting the filename into OutputFile if successful. If the
/// optimizations fail for some reason (optimizer crashes), return true,
@ -195,20 +209,6 @@ private:
///
static void PrintFunctionList(const std::vector<Function*> &Funcs);
/// deleteInstructionFromProgram - This method clones the current Program and
/// deletes the specified instruction from the cloned module. It then runs a
/// series of cleanup passes (ADCE and SimplifyCFG) to eliminate any code
/// which depends on the value. The modified module is then returned.
///
Module *deleteInstructionFromProgram(Instruction *I, unsigned Simp) const;
/// performFinalCleanups - This method clones the current Program and performs
/// a series of cleanups intended to get rid of extra cruft on the module. If
/// the MayModifySemantics argument is true, then the cleanups is allowed to
/// modify how the code behaves.
///
Module *performFinalCleanups(Module *M, bool MayModifySemantics = false);
/// initializeExecutionEnvironment - This method is used to set up the
/// environment for executing LLVM programs.
///

21
tools/bugpoint/ExtractFunction.cpp
View File

@ -48,29 +48,30 @@ namespace {
/// series of cleanup passes (ADCE and SimplifyCFG) to eliminate any code which
/// depends on the value. The modified module is then returned.
///
Module *BugDriver::deleteInstructionFromProgram(Instruction *I,
Module *BugDriver::deleteInstructionFromProgram(const Instruction *I,
unsigned Simplification) const {
Module *Result = CloneModule(Program);
BasicBlock *PBB = I->getParent();
Function *PF = PBB->getParent();
const BasicBlock *PBB = I->getParent();
const Function *PF = PBB->getParent();
Module::iterator RFI = Result->begin(); // Get iterator to corresponding fn
std::advance(RFI, std::distance(Program->begin(), Module::iterator(PF)));
std::advance(RFI, std::distance(PF->getParent()->begin(),
Module::const_iterator(PF)));
Function::iterator RBI = RFI->begin(); // Get iterator to corresponding BB
std::advance(RBI, std::distance(PF->begin(), Function::iterator(PBB)));
std::advance(RBI, std::distance(PF->begin(), Function::const_iterator(PBB)));
BasicBlock::iterator RI = RBI->begin(); // Get iterator to corresponding inst
std::advance(RI, std::distance(PBB->begin(), BasicBlock::iterator(I)));
I = RI; // Got the corresponding instruction!
std::advance(RI, std::distance(PBB->begin(), BasicBlock::const_iterator(I)));
Instruction *TheInst = RI; // Got the corresponding instruction!
// If this instruction produces a value, replace any users with null values
if (I->getType() != Type::VoidTy)
I->replaceAllUsesWith(Constant::getNullValue(I->getType()));
if (TheInst->getType() != Type::VoidTy)
TheInst->replaceAllUsesWith(Constant::getNullValue(TheInst->getType()));
// Remove the instruction from the program.
I->getParent()->getInstList().erase(I);
TheInst->getParent()->getInstList().erase(TheInst);
// Spiff up the output a little bit.
PassManager Passes;