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

[Jeff Cohen]

Changes in directory llvm/include/llvm/Transforms:

Scalar.h updated: 1.52 -> 1.53
---
Log message:

Add support for not strength reducing GEPs where the element size is a small
power of two.  This emphatically includes the zeroeth power of two.


---
Diffs of the changes:  (+5 -2)

 Scalar.h |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)


Index: llvm/include/llvm/Transforms/Scalar.h
diff -u llvm/include/llvm/Transforms/Scalar.h:1.52 llvm/include/llvm/Transforms/Scalar.h:1.53
--- llvm/include/llvm/Transforms/Scalar.h:1.52	Wed Mar  2 19:03:10 2005
+++ llvm/include/llvm/Transforms/Scalar.h	Thu Mar  3 22:04:26 2005
@@ -129,9 +129,12 @@
 //===----------------------------------------------------------------------===//
 //
 // LoopStrengthReduce - This pass is strength reduces GEP instructions that use
-// a loop's canonical induction variable as one of their indices.
+// a loop's canonical induction variable as one of their indices.  The
+// MaxTargetAMSize is the largest element size that the target architecture
+// can handle in its addressing modes.  Power of two multipliers less than or
+// equal to this value are not reduced.
 //
-FunctionPass *createLoopStrengthReducePass();
+FunctionPass *createLoopStrengthReducePass(unsigned MaxTargetAMSize = 1);
 
 //===----------------------------------------------------------------------===//
 //