vendor/llvm-project/llvmorg-11-init-20887-g2e10b7a39b9vendor/llvm-project/master

1 files changed, 5 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/CalcSpillWeights.cpp b/llvm/lib/CodeGen/CalcSpillWeights.cpp
index bf97aaee3665..5d6ee09c8438 100644
--- a/llvm/lib/CodeGen/CalcSpillWeights.cpp
+++ b/llvm/lib/CodeGen/CalcSpillWeights.cpp
@@ -203,9 +203,10 @@ float VirtRegAuxInfo::weightCalcHelper(LiveInterval &li, SlotIndex *start,
   };
   std::set<CopyHint> CopyHints;
 
-  for (MachineRegisterInfo::reg_instr_iterator
-       I = mri.reg_instr_begin(li.reg), E = mri.reg_instr_end();
-       I != E; ) {
+  for (MachineRegisterInfo::reg_instr_nodbg_iterator
+           I = mri.reg_instr_nodbg_begin(li.reg),
+           E = mri.reg_instr_nodbg_end();
+       I != E;) {
     MachineInstr *mi = &*(I++);
 
     // For local split artifacts, we are interested only in instructions between
@@ -215,7 +216,7 @@ float VirtRegAuxInfo::weightCalcHelper(LiveInterval &li, SlotIndex *start,
       continue;
 
     numInstr++;
-    if (mi->isIdentityCopy() || mi->isImplicitDef() || mi->isDebugInstr())
+    if (mi->isIdentityCopy() || mi->isImplicitDef())
       continue;
     if (!visited.insert(mi).second)
       continue;