dupli always has an interval now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115708 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index 1864e37..b1ce209 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -798,6 +798,7 @@
/// instructions using curli to use the new intervals.
void SplitEditor::rewrite() {
assert(!openli_.getLI() && "Previous LI not closed before rewrite");
+ assert(dupli_.getLI() && "No dupli for rewrite. Noop spilt?");
// First we need to fill in the live ranges in dupli.
// If values were redefined, we need a full recoloring with SSA update.
@@ -863,23 +864,19 @@
break;
}
}
- if (LI) {
- MO.setReg(LI->reg);
- sa_.removeUse(MI);
- DEBUG(dbgs() << " rewrite " << Idx << '\t' << *MI);
- }
+ MO.setReg(LI->reg);
+ sa_.removeUse(MI);
+ DEBUG(dbgs() << " rewrite " << Idx << '\t' << *MI);
}
// dupli_ goes in last, after rewriting.
- if (dupli_.getLI()) {
- if (dupli_.getLI()->empty()) {
- DEBUG(dbgs() << " dupli became empty?\n");
- lis_.removeInterval(dupli_.getLI()->reg);
- dupli_.reset(0);
- } else {
- dupli_.getLI()->RenumberValues(lis_);
- intervals_.push_back(dupli_.getLI());
- }
+ if (dupli_.getLI()->empty()) {
+ DEBUG(dbgs() << " dupli became empty?\n");
+ lis_.removeInterval(dupli_.getLI()->reg);
+ dupli_.reset(0);
+ } else {
+ dupli_.getLI()->RenumberValues(lis_);
+ intervals_.push_back(dupli_.getLI());
}
// Calculate spill weight and allocation hints for new intervals.