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-rw-r--r--contrib/llvm/lib/CodeGen/DwarfEHPrepare.cpp16
1 files changed, 6 insertions, 10 deletions
diff --git a/contrib/llvm/lib/CodeGen/DwarfEHPrepare.cpp b/contrib/llvm/lib/CodeGen/DwarfEHPrepare.cpp
index f27ec77..c7c1752 100644
--- a/contrib/llvm/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/contrib/llvm/lib/CodeGen/DwarfEHPrepare.cpp
@@ -33,7 +33,6 @@ STATISTIC(NumResumesLowered, "Number of resume calls lowered");
namespace {
class DwarfEHPrepare : public FunctionPass {
const TargetMachine *TM;
- const TargetLoweringBase *TLI;
// RewindFunction - _Unwind_Resume or the target equivalent.
Constant *RewindFunction;
@@ -43,9 +42,8 @@ namespace {
public:
static char ID; // Pass identification, replacement for typeid.
- DwarfEHPrepare(const TargetMachine *tm) :
- FunctionPass(ID), TM(tm), TLI(TM->getTargetLowering()),
- RewindFunction(0) {
+ DwarfEHPrepare(const TargetMachine *TM) :
+ FunctionPass(ID), TM(TM), RewindFunction(0) {
initializeDominatorTreePass(*PassRegistry::getPassRegistry());
}
@@ -61,8 +59,8 @@ namespace {
char DwarfEHPrepare::ID = 0;
-FunctionPass *llvm::createDwarfEHPass(const TargetMachine *tm) {
- return new DwarfEHPrepare(tm);
+FunctionPass *llvm::createDwarfEHPass(const TargetMachine *TM) {
+ return new DwarfEHPrepare(TM);
}
/// GetExceptionObject - Return the exception object from the value passed into
@@ -108,20 +106,18 @@ Value *DwarfEHPrepare::GetExceptionObject(ResumeInst *RI) {
/// InsertUnwindResumeCalls - Convert the ResumeInsts that are still present
/// into calls to the appropriate _Unwind_Resume function.
bool DwarfEHPrepare::InsertUnwindResumeCalls(Function &Fn) {
- bool UsesNewEH = false;
SmallVector<ResumeInst*, 16> Resumes;
for (Function::iterator I = Fn.begin(), E = Fn.end(); I != E; ++I) {
TerminatorInst *TI = I->getTerminator();
if (ResumeInst *RI = dyn_cast<ResumeInst>(TI))
Resumes.push_back(RI);
- else if (InvokeInst *II = dyn_cast<InvokeInst>(TI))
- UsesNewEH = II->getUnwindDest()->isLandingPad();
}
if (Resumes.empty())
- return UsesNewEH;
+ return false;
// Find the rewind function if we didn't already.
+ const TargetLowering *TLI = TM->getTargetLowering();
if (!RewindFunction) {
LLVMContext &Ctx = Resumes[0]->getContext();
FunctionType *FTy = FunctionType::get(Type::getVoidTy(Ctx),
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