Let llvm::ReplaceInstWithInst copy debug location from old to new instruction.

[oota-llvm.git] / include / llvm / Transforms / Utils / BasicBlockUtils.h

diff --git a/include/llvm/Transforms/Utils/BasicBlockUtils.h b/include/llvm/Transforms/Utils/BasicBlockUtils.h
index 710db03c45d69943316a3e743aceb7acb927b363..9b919b62ee41b77f9121d727b1aee1894b12f65e 100644 (file)
--- a/include/llvm/Transforms/Utils/BasicBlockUtils.h
+++ b/include/llvm/Transforms/Utils/BasicBlockUtils.h
@@ -64,14 +64,16 @@ void ReplaceInstWithValue(BasicBlock::InstListType &BIL,
                           BasicBlock::iterator &BI, Value *V);
 
 // ReplaceInstWithInst - Replace the instruction specified by BI with the
-// instruction specified by I.  The original instruction is deleted and BI is
+// instruction specified by I. Copies DebugLoc from BI to I, if I doesn't
+// already have a DebugLoc. The original instruction is deleted and BI is
 // updated to point to the new instruction.
 //
 void ReplaceInstWithInst(BasicBlock::InstListType &BIL,
                          BasicBlock::iterator &BI, Instruction *I);
 
 // ReplaceInstWithInst - Replace the instruction specified by From with the
-// instruction specified by To.
+// instruction specified by To. Copies DebugLoc from BI to I, if I doesn't
+// already have a DebugLoc.
 //
 void ReplaceInstWithInst(Instruction *From, Instruction *To);