LAA: mark LoopInfo pointer const (NFC)

[artagnon]

No description provided.

[llvmbot]

@llvm/pr-subscribers-llvm-analysis

Author: Ramkumar Ramachandra (artagnon)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/100373.diff

3 Files Affected:

• (modified) llvm/include/llvm/Analysis/ValueTracking.h (+1-1)
• (modified) llvm/lib/Analysis/LoopAccessAnalysis.cpp (+2-1)
• (modified) llvm/lib/Analysis/ValueTracking.cpp (+1-1)

diff --git a/llvm/include/llvm/Analysis/ValueTracking.h b/llvm/include/llvm/Analysis/ValueTracking.h
index 44e27234aa90d..7869eff3b18c6 100644
--- a/llvm/include/llvm/Analysis/ValueTracking.h
+++ b/llvm/include/llvm/Analysis/ValueTracking.h
@@ -766,7 +766,7 @@ inline Value *getUnderlyingObject(Value *V, unsigned MaxLookup = 6) {
 /// it shouldn't look through the phi above.
 void getUnderlyingObjects(const Value *V,
                           SmallVectorImpl<const Value *> &Objects,
-                          LoopInfo *LI = nullptr, unsigned MaxLookup = 6);
+                          const LoopInfo *LI = nullptr, unsigned MaxLookup = 6);
 
 /// This is a wrapper around getUnderlyingObjects and adds support for basic
 /// ptrtoint+arithmetic+inttoptr sequences.
diff --git a/llvm/lib/Analysis/LoopAccessAnalysis.cpp b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
index 84214c47a10e1..37320720c5329 100644
--- a/llvm/lib/Analysis/LoopAccessAnalysis.cpp
+++ b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
@@ -786,7 +786,8 @@ class AccessAnalysis {
   //intrinsic property (such as TBAA metadata).
   AliasSetTracker AST;
 
-  LoopInfo *LI;
+  /// The LoopInfo of the loop being checked.
+  const LoopInfo *LI;
 
   /// Sets of potentially dependent accesses - members of one set share an
   /// underlying pointer. The set "CheckDeps" identfies which sets really need a
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index 8f1c42b7ede44..122fd62293193 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -6580,7 +6580,7 @@ const Value *llvm::getUnderlyingObject(const Value *V, unsigned MaxLookup) {
 
 void llvm::getUnderlyingObjects(const Value *V,
                                 SmallVectorImpl<const Value *> &Objects,
-                                LoopInfo *LI, unsigned MaxLookup) {
+                                const LoopInfo *LI, unsigned MaxLookup) {
   SmallPtrSet<const Value *, 4> Visited;
   SmallVector<const Value *, 4> Worklist;
   Worklist.push_back(V);

[fhahn]

LGTM, thanks!