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Fix an off by one error while accessing complex address element of a DIVariable. 

This worked untill now because stars are aligned (i.e. num of complex address elments are always 0 or 2+ and when it is 2+ at least two elements are access together)

llvm-svn: 130225
This commit is contained in:
Devang Patel 2011-04-26 18:24:39 +00:00
parent 6b4e26bee2
commit b5ea255fb4
2 changed files with 4 additions and 1 deletions
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4
llvm/include/llvm/Analysis/DebugInfo.h
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@ -622,7 +622,9 @@ namespace llvm {
unsigned getNumAddrElements() const;
uint64_t getAddrElement(unsigned Idx) const {
return getUInt64Field(Idx+6);
if (getVersion() <= llvm::LLVMDebugVersion8)
return getUInt64Field(Idx+6);
return getUInt64Field(Idx+7);
}
/// isBlockByrefVariable - Return true if the variable was declared as

1
llvm/lib/Analysis/DIBuilder.cpp
View File

@ -656,6 +656,7 @@ DIVariable DIBuilder::createComplexVariable(unsigned Tag, DIDescriptor Scope,
Elts.push_back(F);
Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), (LineNo | (ArgNo << 24))));
Elts.push_back(Ty);
Elts.push_back(llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)));
Elts.append(Addr.begin(), Addr.end());
return DIVariable(MDNode::get(VMContext, Elts));