[llvm-commits] CVS: llvm/include/llvm/Transforms/Utils/Local.h

[Chris Lattner]

Changes in directory llvm/include/llvm/Transforms/Utils:

Local.h updated: 1.22 -> 1.23
---
Log message:

Add an interface to constant fold and instruction given it's opcode, type
and operands.


---
Diffs of the changes:  (+9 -0)

 Local.h |    9 +++++++++
 1 files changed, 9 insertions(+)


Index: llvm/include/llvm/Transforms/Utils/Local.h
diff -u llvm/include/llvm/Transforms/Utils/Local.h:1.22 llvm/include/llvm/Transforms/Utils/Local.h:1.23
--- llvm/include/llvm/Transforms/Utils/Local.h:1.22	Thu Oct 27 11:00:10 2005
+++ llvm/include/llvm/Transforms/Utils/Local.h	Fri May 26 20:17:40 2006
@@ -48,6 +48,15 @@
 ///
 Constant *ConstantFoldInstruction(Instruction *I);
 
+/// ConstantFoldInstOperands - Attempt to constant fold an instruction with the
+/// specified opcode and operands.  If successful, the constant result is
+/// returned, if not, null is returned.  Note that this function can fail when
+/// attempting to fold instructions like loads and stores, which have no
+/// constant expression form.
+///
+Constant *ConstantFoldInstOperands(unsigned Opc, const Type *DestTy,
+                                   const std::vector<Constant*> &Ops);
+
 
 /// ConstantFoldLoadThroughGEPConstantExpr - Given a constant and a
 /// getelementptr constantexpr, return the constant value being addressed by the