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-rw-r--r--include/llvm/Target/TargetInstrInfo.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 35be6042e0..794117058c 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -276,9 +276,11 @@ public:
/// implemented for a target). Upon success, this returns false and returns
/// with the following information in various cases:
///
- /// 1. If this block ends with only an unconditional branch, it sets TBB to be
+ /// 1. If this block ends with no branches (it just falls through to its succ)
+ /// just return false, leaving TBB/FBB null.
+ /// 2. If this block ends with only an unconditional branch, it sets TBB to be
/// the destination block.
- /// 2. If this block ends with an conditional branch, it returns the 'true'
+ /// 3. If this block ends with an conditional branch, it returns the 'true'
/// destination in TBB, the 'false' destination in FBB, and a list of
/// operands that evaluate the condition. These operands can be passed to
/// other TargetInstrInfo methods to create new branches.