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-rw-r--r--include/llvm/BasicBlock.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/llvm/BasicBlock.h b/include/llvm/BasicBlock.h
index 7fcf8847bd..0f7b3e077e 100644
--- a/include/llvm/BasicBlock.h
+++ b/include/llvm/BasicBlock.h
@@ -91,7 +91,14 @@ public:
///
TerminatorInst *getTerminator();
const TerminatorInst *const getTerminator() const;
-
+
+ /// Returns a pointer to the first instructon in this block that is not a
+ /// PHINode instruction. When adding instruction to the beginning of the
+ /// basic block, they should be added before the returned value, not before
+ /// the first instruction, which might be PHI.
+ /// Returns 0 is there's no non-PHI instruction.
+ Instruction* getFirstNonPHI();
+
/// removeFromParent - This method unlinks 'this' from the containing
/// function, but does not delete it.
///