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Temporarily revert "Don't try to construct debug LexicalScopes hierarchy for functions that do not have top level debug information." as it appears to be breaking some LTO constructs.

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This reverts commit r212203.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212298 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2014-07-03 22:24:54 +00:00
parent 3c58743b2d
commit 3a3941576d
8 changed files with 42 additions and 210 deletions
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lib/CodeGen/LiveDebugVariables.cpp
+3 -12
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@@ -329,13 +329,12 @@ class LDVImpl {
void computeIntervals();
public:
LDVImpl(LiveDebugVariables *ps)
: pass(*ps), MF(nullptr), EmitDone(false), ModifiedMF(false) {}
LDVImpl(LiveDebugVariables *ps) : pass(*ps), EmitDone(false),
ModifiedMF(false) {}
bool runOnMachineFunction(MachineFunction &mf);
/// clear - Release all memory.
void clear() {
MF = nullptr;
userValues.clear();
virtRegToEqClass.clear();
userVarMap.clear();
@@ -694,11 +693,11 @@ void LDVImpl::computeIntervals() {
}
bool LDVImpl::runOnMachineFunction(MachineFunction &mf) {
clear();
MF = &mf;
LIS = &pass.getAnalysis<LiveIntervals>();
MDT = &pass.getAnalysis<MachineDominatorTree>();
TRI = mf.getTarget().getRegisterInfo();
clear();
LS.initialize(mf);
DEBUG(dbgs() << "********** COMPUTING LIVE DEBUG VARIABLES: "
<< mf.getName() << " **********\n");
@@ -713,8 +712,6 @@ bool LDVImpl::runOnMachineFunction(MachineFunction &mf) {
bool LiveDebugVariables::runOnMachineFunction(MachineFunction &mf) {
if (!EnableLDV)
return false;
if (!FunctionDIs.count(mf.getFunction()))
return false;
if (!pImpl)
pImpl = new LDVImpl(this);
return static_cast<LDVImpl*>(pImpl)->runOnMachineFunction(mf);
@@ -977,8 +974,6 @@ void UserValue::emitDebugValues(VirtRegMap *VRM, LiveIntervals &LIS,
void LDVImpl::emitDebugValues(VirtRegMap *VRM) {
DEBUG(dbgs() << "********** EMITTING LIVE DEBUG VARIABLES **********\n");
if (!MF)
return;
const TargetInstrInfo *TII = MF->getTarget().getInstrInfo();
for (unsigned i = 0, e = userValues.size(); i != e; ++i) {
DEBUG(userValues[i]->print(dbgs(), &MF->getTarget()));
@@ -993,10 +988,6 @@ void LiveDebugVariables::emitDebugValues(VirtRegMap *VRM) {
static_cast<LDVImpl*>(pImpl)->emitDebugValues(VRM);
}
bool LiveDebugVariables::doInitialization(Module &M) {
FunctionDIs = makeSubprogramMap(M);
return Pass::doInitialization(M);
}
#ifndef NDEBUG
void LiveDebugVariables::dump() {