[llvm-commits] CVS: llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

LoopStrengthReduce.cpp updated: 1.69 -> 1.70
---
Log message:

My previous patch was too conservative.  Reject FP and void types, but do
allow pointer types.


---
Diffs of the changes:  (+2 -1)

 LoopStrengthReduce.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)


Index: llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
diff -u llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.69 llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.70
--- llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.69	Wed Oct 19 23:47:10 2005
+++ llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp	Fri Oct 21 00:45:41 2005
@@ -372,7 +372,8 @@
 /// return true.  Otherwise, return false.
 bool LoopStrengthReduce::AddUsersIfInteresting(Instruction *I, Loop *L,
                                             std::set<Instruction*> &Processed) {
-  if (!I->getType()->isInteger()) return false;
+  if (!I->getType()->isInteger() && !isa<PointerType>(I->getType()))
+      return false;   // Void and FP expressions cannot be reduced.
   if (!Processed.insert(I).second)
     return true;    // Instruction already handled.