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authorDavid Goodwin <david_goodwin@apple.com>2009-09-24 20:22:50 +0000
committerDavid Goodwin <david_goodwin@apple.com>2009-09-24 20:22:50 +0000
commited17499ee7446c5da5638f6c4c34eea660808a3d (patch)
tree706a95e33cb48eb7e8b14c4f8597d7e5ee097026 /include
parent7f3103731c7d2ee3608f401031d0b9f785293e35 (diff)
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Make the end-of-itinerary mark explicit. Some cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82709 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r--include/llvm/Target/TargetInstrItineraries.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetInstrItineraries.h b/include/llvm/Target/TargetInstrItineraries.h
index 0e4ca98..420fa94 100644
--- a/include/llvm/Target/TargetInstrItineraries.h
+++ b/include/llvm/Target/TargetInstrItineraries.h
@@ -104,6 +104,14 @@ struct InstrItineraryData {
///
bool isEmpty() const { return Itineratries == 0; }
+ /// isEndMarker - Returns true if the index is for the end marker
+ /// itinerary.
+ ///
+ bool isEndMarker(unsigned ItinClassIndx) const {
+ return ((Itineratries[ItinClassIndx].FirstStage == ~0U) &&
+ (Itineratries[ItinClassIndx].LastStage == ~0U));
+ }
+
/// beginStage - Return the first stage of the itinerary.
///
const InstrStage *beginStage(unsigned ItinClassIndx) const {