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authorStephen Hines <srhines@google.com>2014-07-21 00:45:20 -0700
committerStephen Hines <srhines@google.com>2014-07-25 00:48:57 -0700
commitcd81d94322a39503e4a3e87b6ee03d4fcb3465fb (patch)
tree81b7dd2bb4370a392f31d332a566c903b5744764 /lib/CodeGen/LiveDebugVariables.cpp
parent0c5f13c0c4499eaf42ab5e9e2ceabd4e20e36861 (diff)
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Update LLVM for rebase to r212749.
Includes a cherry-pick of: r212948 - fixes a small issue with atomic calls Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'lib/CodeGen/LiveDebugVariables.cpp')
-rw-r--r--lib/CodeGen/LiveDebugVariables.cpp15
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveDebugVariables.cpp b/lib/CodeGen/LiveDebugVariables.cpp
index 388f58f..7d5646b 100644
--- a/lib/CodeGen/LiveDebugVariables.cpp
+++ b/lib/CodeGen/LiveDebugVariables.cpp
@@ -329,12 +329,13 @@ class LDVImpl {
void computeIntervals();
public:
- LDVImpl(LiveDebugVariables *ps) : pass(*ps), EmitDone(false),
- ModifiedMF(false) {}
+ LDVImpl(LiveDebugVariables *ps)
+ : pass(*ps), MF(nullptr), EmitDone(false), ModifiedMF(false) {}
bool runOnMachineFunction(MachineFunction &mf);
/// clear - Release all memory.
void clear() {
+ MF = nullptr;
userValues.clear();
virtRegToEqClass.clear();
userVarMap.clear();
@@ -693,11 +694,11 @@ 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");
@@ -712,6 +713,8 @@ 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);
@@ -974,6 +977,8 @@ 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()));
@@ -988,6 +993,10 @@ 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() {