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Extract scope information from the variable itself, instead of relying on alloca or llvm.dbg.declare location.

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While recording beginning of a function, use scope info from the first location entry instead of just relying on first location entry itself.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83684 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-10-09 22:42:28 +00:00
parent c89d27a440
commit ac1ceb3dd3
5 changed files with 46 additions and 37 deletions
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8
include/llvm/CodeGen/MachineModuleInfo.h
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@ -42,6 +42,7 @@
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/GlobalValue.h"
#include "llvm/Pass.h"
#include "llvm/Metadata.h"
namespace llvm {
@ -147,7 +148,7 @@ class MachineModuleInfo : public ImmutablePass {
public:
static char ID; // Pass identification, replacement for typeid
typedef DenseMap<MDNode *, std::pair<MDNode *, unsigned> > VariableDbgInfoMapTy;
typedef SmallVector< std::pair< WeakMetadataVH, unsigned>, 4 > VariableDbgInfoMapTy;
VariableDbgInfoMapTy VariableDbgInfo;
MachineModuleInfo();
@ -332,9 +333,8 @@ public:
/// 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);
void setVariableDbgInfo(MDNode *N, unsigned S) {
VariableDbgInfo.push_back(std::make_pair(N, S));
}
VariableDbgInfoMapTy &getVariableDbgInfo() { return VariableDbgInfo; }