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authorChris Lattner <sabre@nondot.org>2005-08-04 00:40:47 +0000
committerChris Lattner <sabre@nondot.org>2005-08-04 00:40:47 +0000
commita4479ad25f7f184fc4600beb1d39fd1e71849c4d (patch)
tree667da4f3c82ab89bb4ad3fdc6fa88eef36a52151 /lib/Transforms/Scalar/LoopStrengthReduce.cpp
parentf9186596f06f2c1c5357420d44e2fe2f38f98068 (diff)
invert to if's to make the logic simpler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22641 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopStrengthReduce.cpp')
-rw-r--r--lib/Transforms/Scalar/LoopStrengthReduce.cpp25
1 files changed, 11 insertions, 14 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index b33bc859c5..ac1c8dbd72 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -405,21 +405,18 @@ bool LoopStrengthReduce::AddUsersIfInteresting(Instruction *I, Loop *L) {
}
// 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");
+ 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);
- }
+ // 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;