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authorJakob Stoklund Olesen <stoklund@2pi.dk>2011-02-17 19:13:53 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2011-02-17 19:13:53 +0000
commit034a80d065358b412cdd270e08fb6f1986e65e50 (patch)
tree38ae1b1272028e5da2a08b93cbc6e2590707118e /lib/CodeGen/SplitKit.h
parent64849ce66fd01b5da5b59ea987770283a6ba48b1 (diff)
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Split local live ranges.
A local live range is live in a single basic block. If such a range fails to allocate, try to find a sub-range that would get a larger spill weight than its interference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125764 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SplitKit.h')
-rw-r--r--lib/CodeGen/SplitKit.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/SplitKit.h b/lib/CodeGen/SplitKit.h
index b503f04a80..6f771b6552 100644
--- a/lib/CodeGen/SplitKit.h
+++ b/lib/CodeGen/SplitKit.h
@@ -116,6 +116,9 @@ public:
/// new interval.
void clear();
+ /// getParent - Return the last analyzed interval.
+ const LiveInterval &getParent() const { return *CurLI; }
+
/// hasUses - Return true if MBB has any uses of CurLI.
bool hasUses(const MachineBasicBlock *MBB) const {
return UsingBlocks.lookup(MBB);