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If location info is attached with an instruction then keep track of alloca slots used by a variable. This info will be used by AsmPrinter to emit debug info for variables.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83189 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-10-01 01:03:26 +00:00
parent b0fdedb3fd
commit 75549f4444
2 changed files with 23 additions and 3 deletions
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14
include/llvm/CodeGen/MachineModuleInfo.h
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@ -48,6 +48,7 @@ namespace llvm {
//===----------------------------------------------------------------------===//
// Forward declarations.
class Constant;
class MDNode;
class GlobalVariable;
class MachineBasicBlock;
class MachineFunction;
@ -142,9 +143,13 @@ class MachineModuleInfo : public ImmutablePass {
/// DbgInfoAvailable - True if debugging information is available
/// in this module.
bool DbgInfoAvailable;
public:
static char ID; // Pass identification, replacement for typeid
typedef DenseMap<MDNode *, std::pair<MDNode *, unsigned> > VariableDbgInfoMapTy;
VariableDbgInfoMapTy VariableDbgInfo;
MachineModuleInfo();
~MachineModuleInfo();
@ -325,6 +330,15 @@ public:
/// of one is required to emit exception handling info.
Function *getPersonality() const;
/// setVariableDbgInfo - Collect information used to emit debugging information
/// of a variable.
void setVariableDbgInfo(MDNode *N, MDNode *L, unsigned S) {
if (N && L)
VariableDbgInfo[N] = std::make_pair(L, S);
}
VariableDbgInfoMapTy &getVariableDbgInfo() { return VariableDbgInfo; }
}; // End class MachineModuleInfo
} // End llvm namespace