Fix the post-RA instruction scheduler to handle instructions referenced by
more than one dbg_value instruction. rdar://7759363
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104174 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp
index ca235c3..09202f8 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -210,7 +210,7 @@
assert(TRI->isPhysicalRegister(Reg) && "Virtual register encountered!");
if (MO.isDef() && DanglingDebugValue[Reg].first!=0) {
- SU->setDbgInstr(DanglingDebugValue[Reg].first);
+ SU->DbgInstrList.push_back(DanglingDebugValue[Reg].first);
DbgValueVec[DanglingDebugValue[Reg].second] = 0;
DanglingDebugValue[Reg] = std::make_pair((MachineInstr*)0, 0);
}
@@ -599,8 +599,8 @@
}
BB->insert(InsertPos, SU->getInstr());
- if (SU->getDbgInstr())
- BB->insert(InsertPos, SU->getDbgInstr());
+ for (unsigned i = 0, e = SU->DbgInstrList.size() ; i < e ; ++i)
+ BB->insert(InsertPos, SU->DbgInstrList[i]);
}
// Update the Begin iterator, as the first instruction in the block