//===- LowerSetJmp.cpp - Code pertaining to lowering set/long jumps -------===//
//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
// This file implements the lowering of setjmp and longjmp to use the
// LLVM invoke and unwind instructions as necessary.
//
// original except block being executed if it isn't a longjmp except
// that is handled by that function.
//
-// This pass was contributed to LLVM by Bill Wendling.
-//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// pass invokable via the "opt" command at will.
//===----------------------------------------------------------------------===//
+#define DEBUG_TYPE "lowersetjmp"
+#include "llvm/Transforms/IPO.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Instructions.h"
#include "llvm/Intrinsics.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
#include "llvm/Pass.h"
-#include "llvm/Support/InstIterator.h"
+#include "llvm/Support/CallSite.h"
+#include "llvm/Support/CFG.h"
#include "llvm/Support/InstVisitor.h"
-#include "Support/Statistic.h"
-#include "Support/StringExtras.h"
-#include "Support/VectorExtras.h"
+#include "llvm/Transforms/Utils/Local.h"
+#include "llvm/ADT/DepthFirstIterator.h"
+#include "llvm/ADT/Statistic.h"
+#include <map>
+using namespace llvm;
-#include <set>
+STATISTIC(LongJmpsTransformed, "Number of longjmps transformed");
+STATISTIC(SetJmpsTransformed , "Number of setjmps transformed");
+STATISTIC(CallsTransformed , "Number of calls invokified");
+STATISTIC(InvokesTransformed , "Number of invokes modified");
namespace {
- Statistic<> LongJmpsTransformed("lowersetjmp",
- "Number of longjmps transformed");
- Statistic<> SetJmpsTransformed("lowersetjmp",
- "Number of setjmps transformed");
-
//===--------------------------------------------------------------------===//
- // LowerSetJmp pass implementation. This is subclassed from the "Pass"
- // class because it works on a module as a whole, not a function at a
- // time.
-
- class LowerSetJmp : public Pass,
- public InstVisitor<LowerSetJmp> {
+ // LowerSetJmp pass implementation.
+ class LowerSetJmp : public ModulePass, public InstVisitor<LowerSetJmp> {
// LLVM library functions...
- Function* InitSJMap; // __llvm_sjljeh_init_setjmpmap
- Function* DestroySJMap; // __llvm_sjljeh_destroy_setjmpmap
- Function* AddSJToMap; // __llvm_sjljeh_add_setjmp_to_map
- Function* ThrowLongJmp; // __llvm_sjljeh_throw_longjmp
- Function* TryCatchLJ; // __llvm_sjljeh_try_catching_longjmp_exception
- Function* IsLJException; // __llvm_sjljeh_is_longjmp_exception
- Function* GetLJValue; // __llvm_sjljeh_get_longjmp_value
+ Constant *InitSJMap; // __llvm_sjljeh_init_setjmpmap
+ Constant *DestroySJMap; // __llvm_sjljeh_destroy_setjmpmap
+ Constant *AddSJToMap; // __llvm_sjljeh_add_setjmp_to_map
+ Constant *ThrowLongJmp; // __llvm_sjljeh_throw_longjmp
+ Constant *TryCatchLJ; // __llvm_sjljeh_try_catching_longjmp_exception
+ Constant *IsLJException; // __llvm_sjljeh_is_longjmp_exception
+ Constant *GetLJValue; // __llvm_sjljeh_get_longjmp_value
typedef std::pair<SwitchInst*, CallInst*> SwitchValuePair;
+ // Keep track of those basic blocks reachable via a depth-first search of
+ // the CFG from a setjmp call. We only need to transform those "call" and
+ // "invoke" instructions that are reachable from the setjmp call site.
+ std::set<BasicBlock*> DFSBlocks;
+
// The setjmp map is going to hold information about which setjmps
// were called (each setjmp gets its own number) and with which
// buffer it was called.
void TransformLongJmpCall(CallInst* Inst);
void TransformSetJmpCall(CallInst* Inst);
- bool IsTransformableFunction(const std::string& Name);
+ bool IsTransformableFunction(StringRef Name);
public:
+ static char ID; // Pass identification, replacement for typeid
+ LowerSetJmp() : ModulePass(ID) {
+ initializeLowerSetJmpPass(*PassRegistry::getPassRegistry());
+ }
+
void visitCallInst(CallInst& CI);
void visitInvokeInst(InvokeInst& II);
void visitReturnInst(ReturnInst& RI);
void visitUnwindInst(UnwindInst& UI);
- bool run(Module& M);
+ bool runOnModule(Module& M);
bool doInitialization(Module& M);
};
-
- RegisterOpt<LowerSetJmp> X("lowersetjmp", "Lower Set Jump");
} // end anonymous namespace
+char LowerSetJmp::ID = 0;
+INITIALIZE_PASS(LowerSetJmp, "lowersetjmp", "Lower Set Jump", false, false)
+
// run - Run the transformation on the program. We grab the function
// prototypes for longjmp and setjmp. If they are used in the program,
// then we can go directly to the places they're at and transform them.
-bool LowerSetJmp::run(Module& M)
-{
+bool LowerSetJmp::runOnModule(Module& M) {
bool Changed = false;
// These are what the functions are called.
- Function* SetJmp = M.getNamedFunction("llvm.setjmp");
- Function* LongJmp = M.getNamedFunction("llvm.longjmp");
+ Function* SetJmp = M.getFunction("llvm.setjmp");
+ Function* LongJmp = M.getFunction("llvm.longjmp");
// This program doesn't have longjmp and setjmp calls.
if ((!LongJmp || LongJmp->use_empty()) &&
// setjmp/longjmp functions.
doInitialization(M);
- if (SetJmp)
+ if (SetJmp) {
+ for (Value::use_iterator B = SetJmp->use_begin(), E = SetJmp->use_end();
+ B != E; ++B) {
+ BasicBlock* BB = cast<Instruction>(*B)->getParent();
+ for (df_ext_iterator<BasicBlock*> I = df_ext_begin(BB, DFSBlocks),
+ E = df_ext_end(BB, DFSBlocks); I != E; ++I)
+ /* empty */;
+ }
+
while (!SetJmp->use_empty()) {
assert(isa<CallInst>(SetJmp->use_back()) &&
"User of setjmp intrinsic not a call?");
TransformSetJmpCall(cast<CallInst>(SetJmp->use_back()));
Changed = true;
}
+ }
if (LongJmp)
while (!LongJmp->use_empty()) {
}
}
+ DFSBlocks.clear();
SJMap.clear();
RethrowBBMap.clear();
PrelimBBMap.clear();
// This function is always successful, unless it isn't.
bool LowerSetJmp::doInitialization(Module& M)
{
- const Type *SBPTy = PointerType::get(Type::SByteTy);
- const Type *SBPPTy = PointerType::get(SBPTy);
+ const Type *SBPTy = Type::getInt8PtrTy(M.getContext());
+ const Type *SBPPTy = PointerType::getUnqual(SBPTy);
// N.B. See llvm/runtime/GCCLibraries/libexception/SJLJ-Exception.h for
// a description of the following library functions.
// void __llvm_sjljeh_init_setjmpmap(void**)
InitSJMap = M.getOrInsertFunction("__llvm_sjljeh_init_setjmpmap",
- Type::VoidTy, SBPPTy, 0);
+ Type::getVoidTy(M.getContext()),
+ SBPPTy, (Type *)0);
// void __llvm_sjljeh_destroy_setjmpmap(void**)
DestroySJMap = M.getOrInsertFunction("__llvm_sjljeh_destroy_setjmpmap",
- Type::VoidTy, SBPPTy, 0);
+ Type::getVoidTy(M.getContext()),
+ SBPPTy, (Type *)0);
// void __llvm_sjljeh_add_setjmp_to_map(void**, void*, unsigned)
AddSJToMap = M.getOrInsertFunction("__llvm_sjljeh_add_setjmp_to_map",
- Type::VoidTy, SBPPTy, SBPTy,
- Type::UIntTy, 0);
+ Type::getVoidTy(M.getContext()),
+ SBPPTy, SBPTy,
+ Type::getInt32Ty(M.getContext()),
+ (Type *)0);
// void __llvm_sjljeh_throw_longjmp(int*, int)
ThrowLongJmp = M.getOrInsertFunction("__llvm_sjljeh_throw_longjmp",
- Type::VoidTy, SBPTy, Type::IntTy, 0);
+ Type::getVoidTy(M.getContext()), SBPTy,
+ Type::getInt32Ty(M.getContext()),
+ (Type *)0);
// unsigned __llvm_sjljeh_try_catching_longjmp_exception(void **)
TryCatchLJ =
M.getOrInsertFunction("__llvm_sjljeh_try_catching_longjmp_exception",
- Type::UIntTy, SBPPTy, 0);
+ Type::getInt32Ty(M.getContext()), SBPPTy, (Type *)0);
// bool __llvm_sjljeh_is_longjmp_exception()
IsLJException = M.getOrInsertFunction("__llvm_sjljeh_is_longjmp_exception",
- Type::BoolTy, 0);
+ Type::getInt1Ty(M.getContext()),
+ (Type *)0);
// int __llvm_sjljeh_get_longjmp_value()
GetLJValue = M.getOrInsertFunction("__llvm_sjljeh_get_longjmp_value",
- Type::IntTy, 0);
+ Type::getInt32Ty(M.getContext()),
+ (Type *)0);
return true;
}
// "llvm.{setjmp,longjmp}" functions and none of the setjmp/longjmp error
// handling functions (beginning with __llvm_sjljeh_...they don't throw
// exceptions).
-bool LowerSetJmp::IsTransformableFunction(const std::string& Name)
-{
- std::string SJLJEh("__llvm_sjljeh");
-
- if (Name.size() > SJLJEh.size())
- return std::string(Name.begin(), Name.begin() + SJLJEh.size()) != SJLJEh;
-
- return true;
+bool LowerSetJmp::IsTransformableFunction(StringRef Name) {
+ return !Name.startswith("__llvm_sjljeh_");
}
// TransformLongJmpCall - Transform a longjmp call into a call to the
// throwing the exception for us.
void LowerSetJmp::TransformLongJmpCall(CallInst* Inst)
{
- const Type* SBPTy = PointerType::get(Type::SByteTy);
+ const Type* SBPTy = Type::getInt8PtrTy(Inst->getContext());
// Create the call to "__llvm_sjljeh_throw_longjmp". This takes the
// same parameters as "longjmp", except that the buffer is cast to a
// char*. It returns "void", so it doesn't need to replace any of
// Inst's uses and doesn't get a name.
- CastInst* CI = new CastInst(Inst->getOperand(1), SBPTy, "LJBuf", Inst);
- new CallInst(ThrowLongJmp, make_vector<Value*>(CI, Inst->getOperand(2), 0),
- "", Inst);
+ CastInst* CI =
+ new BitCastInst(Inst->getArgOperand(0), SBPTy, "LJBuf", Inst);
+ Value *Args[] = { CI, Inst->getArgOperand(1) };
+ CallInst::Create(ThrowLongJmp, Args, Args + 2, "", Inst);
SwitchValuePair& SVP = SwitchValMap[Inst->getParent()->getParent()];
// we should branch to the basic block that determines if this longjmp
// is applicable here. Otherwise, issue an unwind.
if (SVP.first)
- new BranchInst(SVP.first->getParent(), Inst);
+ BranchInst::Create(SVP.first->getParent(), Inst);
else
- new UnwindInst(Inst);
-
- // Remove all insts after the branch/unwind inst.
- Inst->getParent()->getInstList().erase(Inst,
- Inst->getParent()->getInstList().end());
+ new UnwindInst(Inst->getContext(), Inst);
+
+ // Remove all insts after the branch/unwind inst. Go from back to front to
+ // avoid replaceAllUsesWith if possible.
+ BasicBlock *BB = Inst->getParent();
+ Instruction *Removed;
+ do {
+ Removed = &BB->back();
+ // If the removed instructions have any users, replace them now.
+ if (!Removed->use_empty())
+ Removed->replaceAllUsesWith(UndefValue::get(Removed->getType()));
+ Removed->eraseFromParent();
+ } while (Removed != Inst);
++LongJmpsTransformed;
}
assert(Inst && "Couldn't find even ONE instruction in entry block!");
// Fill in the alloca and call to initialize the SJ map.
- const Type *SBPTy = PointerType::get(Type::SByteTy);
+ const Type *SBPTy =
+ Type::getInt8PtrTy(Func->getContext());
AllocaInst* Map = new AllocaInst(SBPTy, 0, "SJMap", Inst);
- new CallInst(InitSJMap, make_vector<Value*>(Map, 0), "", Inst);
+ CallInst::Create(InitSJMap, Map, "", Inst);
return SJMap[Func] = Map;
}
// The basic block we're going to jump to if we need to rethrow the
// exception.
- BasicBlock* Rethrow = new BasicBlock("RethrowExcept", Func);
- BasicBlock::InstListType& RethrowBlkIL = Rethrow->getInstList();
+ BasicBlock* Rethrow =
+ BasicBlock::Create(Func->getContext(), "RethrowExcept", Func);
// Fill in the "Rethrow" BB with a call to rethrow the exception. This
// is the last instruction in the BB since at this point the runtime
// should exit this function and go to the next function.
- RethrowBlkIL.push_back(new UnwindInst());
+ new UnwindInst(Func->getContext(), Rethrow);
return RethrowBBMap[Func] = Rethrow;
}
{
if (SwitchValMap[Func].first) return SwitchValMap[Func];
- BasicBlock* LongJmpPre = new BasicBlock("LongJmpBlkPre", Func);
- BasicBlock::InstListType& LongJmpPreIL = LongJmpPre->getInstList();
+ BasicBlock* LongJmpPre =
+ BasicBlock::Create(Func->getContext(), "LongJmpBlkPre", Func);
// Keep track of the preliminary basic block for some of the other
// transformations.
PrelimBBMap[Func] = LongJmpPre;
// Grab the exception.
- CallInst* Cond = new
- CallInst(IsLJException, std::vector<Value*>(), "IsLJExcept");
- LongJmpPreIL.push_back(Cond);
+ CallInst* Cond = CallInst::Create(IsLJException, "IsLJExcept", LongJmpPre);
// The "decision basic block" gets the number associated with the
// setjmp call returning to switch on and the value returned by
// longjmp.
- BasicBlock* DecisionBB = new BasicBlock("LJDecisionBB", Func);
- BasicBlock::InstListType& DecisionBBIL = DecisionBB->getInstList();
+ BasicBlock* DecisionBB =
+ BasicBlock::Create(Func->getContext(), "LJDecisionBB", Func);
- LongJmpPreIL.push_back(new BranchInst(DecisionBB, Rethrow, Cond));
+ BranchInst::Create(DecisionBB, Rethrow, Cond, LongJmpPre);
// Fill in the "decision" basic block.
- CallInst* LJVal = new CallInst(GetLJValue, std::vector<Value*>(), "LJVal");
- DecisionBBIL.push_back(LJVal);
- CallInst* SJNum = new
- CallInst(TryCatchLJ, make_vector<Value*>(GetSetJmpMap(Func), 0), "SJNum");
- DecisionBBIL.push_back(SJNum);
-
- SwitchInst* SI = new SwitchInst(SJNum, Rethrow);
- DecisionBBIL.push_back(SI);
+ CallInst* LJVal = CallInst::Create(GetLJValue, "LJVal", DecisionBB);
+ CallInst* SJNum = CallInst::Create(TryCatchLJ, GetSetJmpMap(Func), "SJNum",
+ DecisionBB);
+
+ SwitchInst* SI = SwitchInst::Create(SJNum, Rethrow, 0, DecisionBB);
return SwitchValMap[Func] = SwitchValuePair(SI, LJVal);
}
Function* Func = ABlock->getParent();
// Add this setjmp to the setjmp map.
- const Type* SBPTy = PointerType::get(Type::SByteTy);
- CastInst* BufPtr = new CastInst(Inst->getOperand(1), SBPTy, "SBJmpBuf", Inst);
- new CallInst(AddSJToMap,
- make_vector<Value*>(GetSetJmpMap(Func), BufPtr,
- ConstantUInt::get(Type::UIntTy,
- SetJmpIDMap[Func]++), 0),
- "", Inst);
+ const Type* SBPTy =
+ Type::getInt8PtrTy(Inst->getContext());
+ CastInst* BufPtr =
+ new BitCastInst(Inst->getArgOperand(0), SBPTy, "SBJmpBuf", Inst);
+ Value *Args[] = {
+ GetSetJmpMap(Func), BufPtr,
+ ConstantInt::get(Type::getInt32Ty(Inst->getContext()), SetJmpIDMap[Func]++)
+ };
+ CallInst::Create(AddSJToMap, Args, Args + 3, "", Inst);
+
+ // We are guaranteed that there are no values live across basic blocks
+ // (because we are "not in SSA form" yet), but there can still be values live
+ // in basic blocks. Because of this, splitting the setjmp block can cause
+ // values above the setjmp to not dominate uses which are after the setjmp
+ // call. For all of these occasions, we must spill the value to the stack.
+ //
+ std::set<Instruction*> InstrsAfterCall;
+
+ // The call is probably very close to the end of the basic block, for the
+ // common usage pattern of: 'if (setjmp(...))', so keep track of the
+ // instructions after the call.
+ for (BasicBlock::iterator I = ++BasicBlock::iterator(Inst), E = ABlock->end();
+ I != E; ++I)
+ InstrsAfterCall.insert(I);
+
+ for (BasicBlock::iterator II = ABlock->begin();
+ II != BasicBlock::iterator(Inst); ++II)
+ // Loop over all of the uses of instruction. If any of them are after the
+ // call, "spill" the value to the stack.
+ for (Value::use_iterator UI = II->use_begin(), E = II->use_end();
+ UI != E; ++UI) {
+ User *U = *UI;
+ if (cast<Instruction>(U)->getParent() != ABlock ||
+ InstrsAfterCall.count(cast<Instruction>(U))) {
+ DemoteRegToStack(*II);
+ break;
+ }
+ }
+ InstrsAfterCall.clear();
// Change the setjmp call into a branch statement. We'll remove the
// setjmp call in a little bit. No worries.
BasicBlock* SetJmpContBlock = ABlock->splitBasicBlock(Inst);
assert(SetJmpContBlock && "Couldn't split setjmp BB!!");
- SetJmpContBlock->setName("SetJmpContBlock");
+ SetJmpContBlock->setName(ABlock->getName()+"SetJmpCont");
- // Reposition the split BB in the BB list to make things tidier.
- Func->getBasicBlockList().remove(SetJmpContBlock);
- Func->getBasicBlockList().insert(++Function::iterator(ABlock),
- SetJmpContBlock);
+ // Add the SetJmpContBlock to the set of blocks reachable from a setjmp.
+ DFSBlocks.insert(SetJmpContBlock);
// This PHI node will be in the new block created from the
// splitBasicBlock call.
- PHINode* PHI = new PHINode(Type::IntTy, "SetJmpReturn", Inst);
+ PHINode* PHI = PHINode::Create(Type::getInt32Ty(Inst->getContext()),
+ "SetJmpReturn", Inst);
// Coming from a call to setjmp, the return is 0.
- PHI->addIncoming(ConstantInt::getNullValue(Type::IntTy), ABlock);
+ PHI->addIncoming(Constant::getNullValue(Type::getInt32Ty(Inst->getContext())),
+ ABlock);
// Add the case for this setjmp's number...
SwitchValuePair SVP = GetSJSwitch(Func, GetRethrowBB(Func));
- SVP.first->addCase(ConstantUInt::get(Type::UIntTy, SetJmpIDMap[Func] - 1),
+ SVP.first->addCase(ConstantInt::get(Type::getInt32Ty(Inst->getContext()),
+ SetJmpIDMap[Func] - 1),
SetJmpContBlock);
// Value coming from the handling of the exception.
// Replace all uses of this instruction with the PHI node created by
// the eradication of setjmp.
Inst->replaceAllUsesWith(PHI);
- Inst->getParent()->getInstList().erase(Inst);
+ Inst->eraseFromParent();
++SetJmpsTransformed;
}
CI.getCalledFunction()->isIntrinsic()) return;
BasicBlock* OldBB = CI.getParent();
+
+ // If not reachable from a setjmp call, don't transform.
+ if (!DFSBlocks.count(OldBB)) return;
+
BasicBlock* NewBB = OldBB->splitBasicBlock(CI);
assert(NewBB && "Couldn't split BB of \"call\" instruction!!");
+ DFSBlocks.insert(NewBB);
NewBB->setName("Call2Invoke");
- // Reposition the split BB in the BB list to make things tidier.
Function* Func = OldBB->getParent();
- Func->getBasicBlockList().remove(NewBB);
- Func->getBasicBlockList().insert(++Function::iterator(OldBB), NewBB);
// Construct the new "invoke" instruction.
TerminatorInst* Term = OldBB->getTerminator();
- std::vector<Value*> Params(CI.op_begin() + 1, CI.op_end());
- InvokeInst* II = new
- InvokeInst(CI.getCalledValue(), NewBB, PrelimBBMap[Func],
- Params, CI.getName(), Term);
+ CallSite CS(&CI);
+ std::vector<Value*> Params(CS.arg_begin(), CS.arg_end());
+ InvokeInst* II =
+ InvokeInst::Create(CI.getCalledValue(), NewBB, PrelimBBMap[Func],
+ Params.begin(), Params.end(), CI.getName(), Term);
+ II->setCallingConv(CI.getCallingConv());
+ II->setAttributes(CI.getAttributes());
// Replace the old call inst with the invoke inst and remove the call.
CI.replaceAllUsesWith(II);
- CI.getParent()->getInstList().erase(&CI);
+ CI.eraseFromParent();
// The old terminator is useless now that we have the invoke inst.
- Term->getParent()->getInstList().erase(Term);
+ Term->eraseFromParent();
+ ++CallsTransformed;
}
// visitInvokeInst - Converting the "invoke" instruction is fairly
if (!IsTransformableFunction(II.getCalledFunction()->getName()) ||
II.getCalledFunction()->isIntrinsic()) return;
- Function* Func = II.getParent()->getParent();
+ BasicBlock* BB = II.getParent();
+
+ // If not reachable from a setjmp call, don't transform.
+ if (!DFSBlocks.count(BB)) return;
- BasicBlock* NormalBB = II.getNormalDest();
- BasicBlock* ExceptBB = II.getExceptionalDest();
+ BasicBlock* ExceptBB = II.getUnwindDest();
- BasicBlock* NewExceptBB = new BasicBlock("InvokeExcept", Func);
- BasicBlock::InstListType& InstList = NewExceptBB->getInstList();
+ Function* Func = BB->getParent();
+ BasicBlock* NewExceptBB = BasicBlock::Create(II.getContext(),
+ "InvokeExcept", Func);
// If this is a longjmp exception, then branch to the preliminary BB of
// the longjmp exception handling. Otherwise, go to the old exception.
- CallInst* IsLJExcept = new
- CallInst(IsLJException, std::vector<Value*>(), "IsLJExcept");
- InstList.push_back(IsLJExcept);
+ CallInst* IsLJExcept = CallInst::Create(IsLJException, "IsLJExcept",
+ NewExceptBB);
- BranchInst* BR = new BranchInst(PrelimBBMap[Func], ExceptBB, IsLJExcept);
- InstList.push_back(BR);
+ BranchInst::Create(PrelimBBMap[Func], ExceptBB, IsLJExcept, NewExceptBB);
- II.setExceptionalDest(NewExceptBB);
+ II.setUnwindDest(NewExceptBB);
+ ++InvokesTransformed;
}
// visitReturnInst - We want to destroy the setjmp map upon exit from the
// function.
-void LowerSetJmp::visitReturnInst(ReturnInst& RI)
-{
+void LowerSetJmp::visitReturnInst(ReturnInst &RI) {
Function* Func = RI.getParent()->getParent();
- new CallInst(DestroySJMap, make_vector<Value*>(GetSetJmpMap(Func), 0),
- "", &RI);
+ CallInst::Create(DestroySJMap, GetSetJmpMap(Func), "", &RI);
}
// visitUnwindInst - We want to destroy the setjmp map upon exit from the
// function.
-void LowerSetJmp::visitUnwindInst(UnwindInst& UI)
-{
+void LowerSetJmp::visitUnwindInst(UnwindInst &UI) {
Function* Func = UI.getParent()->getParent();
- new CallInst(DestroySJMap, make_vector<Value*>(GetSetJmpMap(Func), 0),
- "", &UI);
+ CallInst::Create(DestroySJMap, GetSetJmpMap(Func), "", &UI);
}
-Pass* createLowerSetJmpPass()
-{
+ModulePass *llvm::createLowerSetJmpPass() {
return new LowerSetJmp();
}
+
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