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

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

LoopStrengthReduce.cpp updated: 1.28 -> 1.29
---
Log message:

invert to if's to make the logic simpler


---
Diffs of the changes:  (+12 -15)

 LoopStrengthReduce.cpp |   27 ++++++++++++---------------
 1 files changed, 12 insertions(+), 15 deletions(-)


Index: llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
diff -u llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.28 llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.29
--- llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp:1.28	Wed Aug  3 19:14:11 2005
+++ llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp	Wed Aug  3 19:40:47 2005
@@ -405,21 +405,18 @@
     }
 
     // Next, see if this user is analyzable itself!
-    if (!AddUsersIfInteresting(User, L)) {
-      if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(User)) {
-        // If this is a getelementptr instruction, figure out what linear
-        // expression of induction variable is actually being used.
-        //
-        if (AnalyzedGEPs.insert(GEP).second)   // Not already analyzed?
-          AnalyzeGetElementPtrUsers(GEP, I, L);
-      } else {
-        DEBUG(std::cerr << "FOUND USER: " << *User
-              << "   OF SCEV: " << *ISE << "\n");
-
-        // Okay, we found a user that we cannot reduce.  Analyze the instruction
-        // and decide what to do with it.
-        IVUsesByStride[Step].addUser(Start, User, I);
-      }
+    if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(User)) {
+      // If this is a getelementptr instruction, figure out what linear
+      // expression of induction variable is actually being used.
+      if (AnalyzedGEPs.insert(GEP).second)   // Not already analyzed?
+        AnalyzeGetElementPtrUsers(GEP, I, L);
+    } else if (!AddUsersIfInteresting(User, L)) {
+      DEBUG(std::cerr << "FOUND USER: " << *User
+            << "   OF SCEV: " << *ISE << "\n");
+
+      // Okay, we found a user that we cannot reduce.  Analyze the instruction
+      // and decide what to do with it.
+      IVUsesByStride[Step].addUser(Start, User, I);
     }
   }
   return true;