Avoid splitting an interval multiple times; avoid splitting re-materializable val# (for now).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58068 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index d6c8a65..31a34a5 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -948,6 +948,15 @@
return true;
}
+/// isReMaterializable - Returns true if the definition MI of the specified
+/// val# of the specified interval is re-materializable.
+bool LiveIntervals::isReMaterializable(const LiveInterval &li,
+ const VNInfo *ValNo, MachineInstr *MI) {
+ SmallVector<LiveInterval*, 4> Dummy1;
+ bool Dummy2;
+ return isReMaterializable(li, ValNo, MI, Dummy1, Dummy2);
+}
+
/// isReMaterializable - Returns true if every definition of MI of every
/// val# of the specified interval is re-materializable.
bool LiveIntervals::isReMaterializable(const LiveInterval &li,