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authorStephen Hines <srhines@google.com>2013-05-02 16:19:29 -0700
committerStephen Hines <srhines@google.com>2013-05-02 16:19:29 -0700
commit38578c4919ea18ceb27e29988b2d857afe6215bf (patch)
tree6718ee1e6a1a59f46b6c847439ebfcd291c1e393 /include/llvm/CodeGen/LiveInterval.h
parentffb69c62ac54b0af5768ae9486b93b39a6c6b94c (diff)
parenta7a05ee70cb07f32996a0587a636b406c746b71b (diff)
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Merge remote-tracking branch 'upstream/master' into merge-20130502
Conflicts: lib/Support/Unix/Signals.inc unittests/Transforms/Utils/Cloning.cpp Change-Id: I027581a4390ec3ce4cd8d33da8b5f4c0c7d372c8
Diffstat (limited to 'include/llvm/CodeGen/LiveInterval.h')
-rw-r--r--include/llvm/CodeGen/LiveInterval.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index 244be9c..cb09a49 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -399,6 +399,15 @@ namespace llvm {
return r != end() && r->containsRange(Start, End);
}
+ /// True iff this live range is a single segment that lies between the
+ /// specified boundaries, exclusively. Vregs live across a backedge are not
+ /// considered local. The boundaries are expected to lie within an extended
+ /// basic block, so vregs that are not live out should contain no holes.
+ bool isLocal(SlotIndex Start, SlotIndex End) const {
+ return beginIndex() > Start.getBaseIndex() &&
+ endIndex() < End.getBoundaryIndex();
+ }
+
/// removeRange - Remove the specified range from this interval. Note that
/// the range must be a single LiveRange in its entirety.
void removeRange(SlotIndex Start, SlotIndex End,