[llvm] c035efc - [LAA] Cache PSE.getSE() in variable (NFC).

[Florian Hahn via llvm-commits]

Author: Florian Hahn
Date: 2022-08-25T21:40:22+01:00
New Revision: c035efc814e6eba4fe3030260fdab64f56d7f1d0

URL: https://github.com/llvm/llvm-project/commit/c035efc814e6eba4fe3030260fdab64f56d7f1d0
DIFF: https://github.com/llvm/llvm-project/commit/c035efc814e6eba4fe3030260fdab64f56d7f1d0.diff

LOG: [LAA] Cache PSE.getSE() in variable (NFC).

Preparation for follow-up patches will introduce additional uses
of SE.

Added: 
    

Modified: 
    llvm/lib/Analysis/LoopAccessAnalysis.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Analysis/LoopAccessAnalysis.cpp b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
index a9a4a820db50a..a95b43279318f 100644
--- a/llvm/lib/Analysis/LoopAccessAnalysis.cpp
+++ b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
@@ -1854,7 +1854,8 @@ MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
     std::swap(StrideAPtr, StrideBPtr);
   }
 
-  const SCEV *Dist = PSE.getSE()->getMinusSCEV(Sink, Src);
+  ScalarEvolution &SE = *PSE.getSE();
+  const SCEV *Dist = SE.getMinusSCEV(Sink, Src);
 
   LLVM_DEBUG(dbgs() << "LAA: Src Scev: " << *Src << "Sink Scev: " << *Sink
                     << "(Induction step: " << StrideAPtr << ")\n");
@@ -1877,9 +1878,8 @@ MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
   const SCEVConstant *C = dyn_cast<SCEVConstant>(Dist);
   if (!C) {
     if (!isa<SCEVCouldNotCompute>(Dist) && HasSameSize &&
-        isSafeDependenceDistance(DL, *(PSE.getSE()),
-                                 *(PSE.getBackedgeTakenCount()), *Dist, Stride,
-                                 TypeByteSize))
+        isSafeDependenceDistance(DL, SE, *(PSE.getBackedgeTakenCount()), *Dist,
+                                 Stride, TypeByteSize))
       return Dependence::NoDep;
 
     LLVM_DEBUG(dbgs() << "LAA: Dependence because of non-constant distance\n");