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-rw-r--r--llvm/lib/CodeGen/ErlangGC.cpp35
1 files changed, 0 insertions, 35 deletions
diff --git a/llvm/lib/CodeGen/ErlangGC.cpp b/llvm/lib/CodeGen/ErlangGC.cpp
index 85b089343ca..5f2b3a09832 100644
--- a/llvm/lib/CodeGen/ErlangGC.cpp
+++ b/llvm/lib/CodeGen/ErlangGC.cpp
@@ -28,12 +28,8 @@ using namespace llvm;
namespace {
class ErlangGC : public GCStrategy {
- MCSymbol *InsertLabel(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- DebugLoc DL) const;
public:
ErlangGC();
- bool findCustomSafePoints(GCFunctionInfo &FI, MachineFunction &MF) override;
};
}
@@ -48,35 +44,4 @@ ErlangGC::ErlangGC() {
NeededSafePoints = 1 << GC::PostCall;
UsesMetadata = true;
CustomRoots = false;
- CustomSafePoints = true;
-}
-
-MCSymbol *ErlangGC::InsertLabel(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- DebugLoc DL) const {
- const TargetInstrInfo *TII = MBB.getParent()->getSubtarget().getInstrInfo();
- MCSymbol *Label = MBB.getParent()->getContext().CreateTempSymbol();
- BuildMI(MBB, MI, DL, TII->get(TargetOpcode::GC_LABEL)).addSym(Label);
- return Label;
-}
-
-bool ErlangGC::findCustomSafePoints(GCFunctionInfo &FI, MachineFunction &MF) {
- for (MachineFunction::iterator BBI = MF.begin(), BBE = MF.end(); BBI != BBE;
- ++BBI)
- for (MachineBasicBlock::iterator MI = BBI->begin(), ME = BBI->end();
- MI != ME; ++MI)
-
- if (MI->getDesc().isCall()) {
-
- // Do not treat tail call sites as safe points.
- if (MI->getDesc().isTerminator())
- continue;
-
- /* Code copied from VisitCallPoint(...) */
- MachineBasicBlock::iterator RAI = MI; ++RAI;
- MCSymbol* Label = InsertLabel(*MI->getParent(), RAI, MI->getDebugLoc());
- FI.addSafePoint(GC::PostCall, Label, MI->getDebugLoc());
- }
-
- return false;
}
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