Switch extendInBlock() to take a kill slot instead of the last use slot.
Three out of four clients prefer this interface which is consistent with
extendIntervalEndTo() and LiveRangeCalc::extend().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139604 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveRangeCalc.cpp b/lib/CodeGen/LiveRangeCalc.cpp
index eedf924..a7d5af5 100644
--- a/lib/CodeGen/LiveRangeCalc.cpp
+++ b/lib/CodeGen/LiveRangeCalc.cpp
@@ -63,13 +63,12 @@
assert(Kill.isValid() && "Invalid SlotIndex");
assert(Indexes && "Missing SlotIndexes");
assert(DomTree && "Missing dominator tree");
- SlotIndex LastUse = Kill.getPrevSlot();
- MachineBasicBlock *KillMBB = Indexes->getMBBFromIndex(LastUse);
+ MachineBasicBlock *KillMBB = Indexes->getMBBFromIndex(Kill.getPrevSlot());
assert(Kill && "No MBB at Kill");
// Is there a def in the same MBB we can extend?
- if (LI->extendInBlock(Indexes->getMBBStartIdx(KillMBB), LastUse))
+ if (LI->extendInBlock(Indexes->getMBBStartIdx(KillMBB), Kill))
return;
// Find the single reaching def, or determine if Kill is jointly dominated by
@@ -134,7 +133,7 @@
// First time we see Pred. Try to determine the live-out value, but set
// it as null if Pred is live-through with an unknown value.
- VNInfo *VNI = LI->extendInBlock(Start, End.getPrevSlot());
+ VNInfo *VNI = LI->extendInBlock(Start, End);
setLiveOutValue(Pred, VNI);
if (VNI) {
if (TheVNI && TheVNI != VNI)