[llvm-commits] [llvm] r52424 - in /llvm/trunk: include/llvm/Instruction.h lib/VMCore/Instruction.cpp

[Owen Anderson]

Author: resistor
Date: Tue Jun 17 13:29:27 2008
New Revision: 52424

URL: http://llvm.org/viewvc/llvm-project?rev=52424&view=rev
Log:
Add an insertBefore method for attaching previously unattached instructions,
such as those created by clone(), to a basic block.

Modified:
    llvm/trunk/include/llvm/Instruction.h
    llvm/trunk/lib/VMCore/Instruction.cpp

Modified: llvm/trunk/include/llvm/Instruction.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Instruction.h?rev=52424&r1=52423&r2=52424&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Instruction.h (original)
+++ llvm/trunk/include/llvm/Instruction.h Tue Jun 17 13:29:27 2008
@@ -102,6 +102,10 @@
   ///
   void eraseFromParent();
 
+  /// insertBefore - Insert an unlinked instructions into a basic block
+  /// immediately before the specified instruction.
+  void insertBefore(Instruction *InsertPos);
+
   /// moveBefore - Unlink this instruction from its current basic block and
   /// insert it into the basic block that MovePos lives in, right before
   /// MovePos.

Modified: llvm/trunk/lib/VMCore/Instruction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Instruction.cpp?rev=52424&r1=52423&r2=52424&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/Instruction.cpp (original)
+++ llvm/trunk/lib/VMCore/Instruction.cpp Tue Jun 17 13:29:27 2008
@@ -68,6 +68,12 @@
   getParent()->getInstList().erase(this);
 }
 
+/// insertBefore - Insert an unlinked instructions into a basic block
+/// immediately before the specified instruction.
+void Instruction::insertBefore(Instruction *InsertPos) {
+  InsertPos->getParent()->getInstList().insert(InsertPos, this);
+}
+
 /// moveBefore - Unlink this instruction from its current basic block and
 /// insert it into the basic block that MovePos lives in, right before
 /// MovePos.