add an accessor

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24201 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h
index e6c3ca9fe917f36c6f0817f0c01ef6742f4effc5..8c62d3de3b446d47680bf9423058252ced20a4f0 100644 (file)
--- a/include/llvm/Instructions.h
+++ b/include/llvm/Instructions.h
@@ -68,6 +68,10 @@ public:
   /// by the instruction.
   ///
   unsigned getAlignment() const { return Alignment; }
+  void setAlignment(unsigned Align) {
+    assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");
+    Alignment = Align;
+  }
   
   virtual Instruction *clone() const = 0;