diff options
Diffstat (limited to 'lib/Transforms/Utils')
| -rw-r--r-- | lib/Transforms/Utils/LowerInvoke.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/LowerInvoke.cpp b/lib/Transforms/Utils/LowerInvoke.cpp index 73d703b738..918055722d 100644 --- a/lib/Transforms/Utils/LowerInvoke.cpp +++ b/lib/Transforms/Utils/LowerInvoke.cpp @@ -113,7 +113,9 @@ bool LowerInvoke::doInitialization(Module &M) { AbortMessage = 0; if (ExpensiveEHSupport) { // Insert a type for the linked list of jump buffers. - const Type *JmpBufTy = ArrayType::get(VoidPtrTy, TLI->getJumpBufSize()); + unsigned JBSize = TLI ? TLI->getJumpBufSize() : 0; + JBSize = JBSize ? JBSize : 200; + const Type *JmpBufTy = ArrayType::get(VoidPtrTy, JBSize); { // The type is recursive, so use a type holder. std::vector<const Type*> Elements; @@ -130,11 +132,12 @@ bool LowerInvoke::doInitialization(Module &M) { // Now that we've done that, insert the jmpbuf list head global, unless it // already exists. - if (!(JBListHead = M.getGlobalVariable("llvm.sjljeh.jblist", PtrJBList))) + if (!(JBListHead = M.getGlobalVariable("llvm.sjljeh.jblist", PtrJBList))) { JBListHead = new GlobalVariable(PtrJBList, false, GlobalValue::LinkOnceLinkage, Constant::getNullValue(PtrJBList), "llvm.sjljeh.jblist", &M); + } SetJmpFn = M.getOrInsertFunction("llvm.setjmp", Type::IntTy, PointerType::get(JmpBufTy), (Type *)0); LongJmpFn = M.getOrInsertFunction("llvm.longjmp", Type::VoidTy, @@ -452,8 +455,9 @@ bool LowerInvoke::insertExpensiveEHSupport(Function &F) { // Create an alloca for the incoming jump buffer ptr and the new jump buffer // that needs to be restored on all exits from the function. This is an // alloca because the value needs to be live across invokes. + unsigned Align = TLI ? TLI->getJumpBufAlignment() : 0; AllocaInst *JmpBuf = - new AllocaInst(JBLinkTy, 0, TLI->getJumpBufAlignment(), "jblink", F.begin()->begin()); + new AllocaInst(JBLinkTy, 0, Align, "jblink", F.begin()->begin()); std::vector<Value*> Idx; Idx.push_back(Constant::getNullValue(Type::IntTy)); |