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Before inserting llvm.dbg.declare intrinsic at the end of a basic block, check whether the basic block has a terminator or not. 

This API is used by clang and the test case is test/CodeGen/debug-info-crash.c in clang module.

llvm-svn: 94820
This commit is contained in:
Devang Patel 2010-01-29 18:30:57 +00:00
parent 6f923f89c3
commit 7f8be9ba95
1 changed files with 7 additions and 2 deletions
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9
llvm/lib/Analysis/DebugInfo.cpp
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@ -1055,8 +1055,13 @@ Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1),
D.getNode() };
return CallInst::Create(DeclareFn, Args, Args+2, "", InsertAtEnd);
}
// If this block already has a terminator then insert this intrinsic
// before the terminator.
if (TerminatorInst *T = InsertAtEnd->getTerminator())
return CallInst::Create(DeclareFn, Args, Args+2, "", T);
else
return CallInst::Create(DeclareFn, Args, Args+2, "", InsertAtEnd);}
/// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
Instruction *DIFactory::InsertDbgValueIntrinsic(Value *V, uint64_t Offset,