[ms-inline asm] Have the TargetParser callback to Sema to determine the size of

[oota-llvm.git] / include / llvm / MC / MCSchedule.h

diff --git a/include/llvm/MC/MCSchedule.h b/include/llvm/MC/MCSchedule.h
index 0504dc13c8fc35ff7d62ecc54bb34ead2ca684f1..c9a060c79b141080f0b81d71a9b90e7408f33e68 100644 (file)
--- a/include/llvm/MC/MCSchedule.h
+++ b/include/llvm/MC/MCSchedule.h
@@ -54,10 +54,12 @@ struct MCWriteProcResEntry {
 };
 
 /// Specify the latency in cpu cycles for a particular scheduling class and def
-/// index. Also identify the WriteResources of this def. When the operand
-/// expands to a sequence of writes, this ID is the last write in the sequence.
+/// index. -1 indicates an invalid latency. Heuristics would typically consider
+/// an instruction with invalid latency to have infinite latency.  Also identify
+/// the WriteResources of this def. When the operand expands to a sequence of
+/// writes, this ID is the last write in the sequence.
 struct MCWriteLatencyEntry {
-  unsigned Cycles;
+  int Cycles;
   unsigned WriteResourceID;
 
   bool operator==(const MCWriteLatencyEntry &Other) const {