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s/SjLjEHPass/SjLjEHPrepare/

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152658 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2012-03-13 20:04:21 +00:00
parent 0f5ab7c5f3
commit eabae1d07b
3 changed files with 20 additions and 20 deletions
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4
include/llvm/CodeGen/Passes.h
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@ -423,10 +423,10 @@ namespace llvm {
/// adapted to code generation. Required if using dwarf exception handling.
FunctionPass *createDwarfEHPass(const TargetMachine *tm);
/// createSjLjEHPass - This pass adapts exception handling code to use
/// createSjLjEHPreparePass - This pass adapts exception handling code to use
/// the GCC-style builtin setjmp/longjmp (sjlj) to handling EH control flow.
///
FunctionPass *createSjLjEHPass(const TargetLowering *tli);
FunctionPass *createSjLjEHPreparePass(const TargetLowering *tli);
/// LocalStackSlotAllocation - This pass assigns local frame indices to stack
/// slots relative to one another and allocates base registers to access them

2
lib/CodeGen/LLVMTargetMachine.cpp
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@ -90,7 +90,7 @@ static void addPassesToHandleExceptions(TargetMachine *TM,
// removed from the parent invoke(s). This could happen when a landing
// pad is shared by multiple invokes and is also a target of a normal
// edge from elsewhere.
PM.add(createSjLjEHPass(TM->getTargetLowering()));
PM.add(createSjLjEHPreparePass(TM->getTargetLowering()));
// FALLTHROUGH
case ExceptionHandling::DwarfCFI:
case ExceptionHandling::ARM:

34
lib/CodeGen/SjLjEHPrepare.cpp
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@ -1,4 +1,4 @@
//===- SjLjEHPass.cpp - Eliminate Invoke & Unwind instructions -----------===//
//===- SjLjEHPrepare.cpp - Eliminate Invoke & Unwind instructions ---------===//
//
// The LLVM Compiler Infrastructure
//
@ -42,7 +42,7 @@ STATISTIC(NumInvokes, "Number of invokes replaced");
STATISTIC(NumSpilled, "Number of registers live across unwind edges");
namespace {
class SjLjEHPass : public FunctionPass {
class SjLjEHPrepare : public FunctionPass {
const TargetLowering *TLI;
Type *FunctionContextTy;
Constant *RegisterFn;
@ -58,7 +58,7 @@ namespace {
AllocaInst *FuncCtx;
public:
static char ID; // Pass identification, replacement for typeid
explicit SjLjEHPass(const TargetLowering *tli = NULL)
explicit SjLjEHPrepare(const TargetLowering *tli = NULL)
: FunctionPass(ID), TLI(tli) { }
bool doInitialization(Module &M);
bool runOnFunction(Function &F);
@ -79,15 +79,15 @@ namespace {
};
} // end anonymous namespace
char SjLjEHPass::ID = 0;
char SjLjEHPrepare::ID = 0;
// Public Interface To the SjLjEHPass pass.
FunctionPass *llvm::createSjLjEHPass(const TargetLowering *TLI) {
return new SjLjEHPass(TLI);
// Public Interface To the SjLjEHPrepare pass.
FunctionPass *llvm::createSjLjEHPreparePass(const TargetLowering *TLI) {
return new SjLjEHPrepare(TLI);
}
// doInitialization - Set up decalarations and types needed to process
// exceptions.
bool SjLjEHPass::doInitialization(Module &M) {
bool SjLjEHPrepare::doInitialization(Module &M) {
// Build the function context structure.
// builtin_setjmp uses a five word jbuf
Type *VoidPtrTy = Type::getInt8PtrTy(M.getContext());
@ -123,7 +123,7 @@ bool SjLjEHPass::doInitialization(Module &M) {
/// insertCallSiteStore - Insert a store of the call-site value to the
/// function context
void SjLjEHPass::insertCallSiteStore(Instruction *I, int Number) {
void SjLjEHPrepare::insertCallSiteStore(Instruction *I, int Number) {
IRBuilder<> Builder(I);
// Get a reference to the call_site field.
@ -151,8 +151,8 @@ static void MarkBlocksLiveIn(BasicBlock *BB,
/// substituteLPadValues - Substitute the values returned by the landingpad
/// instruction with those returned by the personality function.
void SjLjEHPass::substituteLPadValues(LandingPadInst *LPI, Value *ExnVal,
Value *SelVal) {
void SjLjEHPrepare::substituteLPadValues(LandingPadInst *LPI, Value *ExnVal,
Value *SelVal) {
SmallVector<Value*, 8> UseWorkList(LPI->use_begin(), LPI->use_end());
while (!UseWorkList.empty()) {
Value *Val = UseWorkList.pop_back_val();
@ -183,7 +183,7 @@ void SjLjEHPass::substituteLPadValues(LandingPadInst *LPI, Value *ExnVal,
/// setupFunctionContext - Allocate the function context on the stack and fill
/// it with all of the data that we know at this point.
Value *SjLjEHPass::
Value *SjLjEHPrepare::
setupFunctionContext(Function &F, ArrayRef<LandingPadInst*> LPads) {
BasicBlock *EntryBB = F.begin();
@ -251,7 +251,7 @@ setupFunctionContext(Function &F, ArrayRef<LandingPadInst*> LPads) {
/// specially, we lower each arg to a copy instruction in the entry block. This
/// ensures that the argument value itself cannot be live out of the entry
/// block.
void SjLjEHPass::lowerIncomingArguments(Function &F) {
void SjLjEHPrepare::lowerIncomingArguments(Function &F) {
BasicBlock::iterator AfterAllocaInsPt = F.begin()->begin();
while (isa<AllocaInst>(AfterAllocaInsPt) &&
isa<ConstantInt>(cast<AllocaInst>(AfterAllocaInsPt)->getArraySize()))
@ -295,8 +295,8 @@ void SjLjEHPass::lowerIncomingArguments(Function &F) {
/// lowerAcrossUnwindEdges - Find all variables which are alive across an unwind
/// edge and spill them.
void SjLjEHPass::lowerAcrossUnwindEdges(Function &F,
ArrayRef<InvokeInst*> Invokes) {
void SjLjEHPrepare::lowerAcrossUnwindEdges(Function &F,
ArrayRef<InvokeInst*> Invokes) {
// Finally, scan the code looking for instructions with bad live ranges.
for (Function::iterator
BB = F.begin(), BBE = F.end(); BB != BBE; ++BB) {
@ -393,7 +393,7 @@ void SjLjEHPass::lowerAcrossUnwindEdges(Function &F,
/// setupEntryBlockAndCallSites - Setup the entry block by creating and filling
/// the function context and marking the call sites with the appropriate
/// values. These values are used by the DWARF EH emitter.
bool SjLjEHPass::setupEntryBlockAndCallSites(Function &F) {
bool SjLjEHPrepare::setupEntryBlockAndCallSites(Function &F) {
SmallVector<ReturnInst*, 16> Returns;
SmallVector<InvokeInst*, 16> Invokes;
SmallSetVector<LandingPadInst*, 16> LPads;
@ -519,7 +519,7 @@ bool SjLjEHPass::setupEntryBlockAndCallSites(Function &F) {
return true;
}
bool SjLjEHPass::runOnFunction(Function &F) {
bool SjLjEHPrepare::runOnFunction(Function &F) {
bool Res = setupEntryBlockAndCallSites(F);
return Res;
}