[llvm] [LoopCacheAnalysis] Remove tryDelinearizeFixedSize (NFCI) (PR #177552)

via llvm-commits llvm-commits at lists.llvm.org
Fri Jan 23 01:27:09 PST 2026


github-actions[bot] wrote:

<!--LLVM IDS CHECK COMMENT-->


:warning: LLVM ABI annotation checker, ids-check found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git diff origin/main HEAD -- 'llvm/include/llvm/**/*.h' 'llvm/include/llvm-c/**/*.h' 'llvm/include/llvm/Demangle/**/*.h'
Then run idt on the changed files with appropriate --export-macro and --include-header flags.
``````````

:warning:
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in a stack if you are using a stacked PR workflow. You can limit the results by
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:warning:

</details>

<details>
<summary>
View the diff from ids-check here.
</summary>

``````````diff
diff --git a/llvm/include/llvm/Analysis/LoopCacheAnalysis.h b/llvm/include/llvm/Analysis/LoopCacheAnalysis.h
index 5184944e3..ef5b798a7 100644
--- a/llvm/include/llvm/Analysis/LoopCacheAnalysis.h
+++ b/llvm/include/llvm/Analysis/LoopCacheAnalysis.h
@@ -14,6 +14,7 @@
 #ifndef LLVM_ANALYSIS_LOOPCACHEANALYSIS_H
 #define LLVM_ANALYSIS_LOOPCACHEANALYSIS_H
 
+#include "llvm/Support/Compiler.h"
 #include "llvm/Analysis/LoopAnalysisManager.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Support/InstructionCost.h"
@@ -51,7 +52,7 @@ class IndexedReference {
 
 public:
   /// Construct an indexed reference given a \p StoreOrLoadInst instruction.
-  IndexedReference(Instruction &StoreOrLoadInst, const LoopInfo &LI,
+  LLVM_ABI IndexedReference(Instruction &StoreOrLoadInst, const LoopInfo &LI,
                    ScalarEvolution &SE);
 
   bool isValid() const { return IsValid; }
@@ -74,14 +75,14 @@ public:
   /// are/aren't in the same cache line of size \p CLS. Two references are in
   /// the same chace line iff the distance between them in the innermost
   /// dimension is less than the cache line size. Return std::nullopt if unsure.
-  std::optional<bool> hasSpacialReuse(const IndexedReference &Other,
+  LLVM_ABI std::optional<bool> hasSpacialReuse(const IndexedReference &Other,
                                       unsigned CLS, AAResults &AA) const;
 
   /// Return true if the current object and the indexed reference \p Other
   /// have distance smaller than \p MaxDistance in the dimension associated with
   /// the given loop \p L. Return false if the distance is not smaller than \p
   /// MaxDistance and std::nullopt if unsure.
-  std::optional<bool> hasTemporalReuse(const IndexedReference &Other,
+  LLVM_ABI std::optional<bool> hasTemporalReuse(const IndexedReference &Other,
                                        unsigned MaxDistance, const Loop &L,
                                        DependenceInfo &DI, AAResults &AA) const;
 
@@ -94,7 +95,7 @@ public:
   ///     + the coefficient of this loop's index variable used in all other
   ///       subscripts is zero
   ///   - or otherwise equal to 'TripCount'.
-  CacheCostTy computeRefCost(const Loop &L, unsigned CLS) const;
+  LLVM_ABI CacheCostTy computeRefCost(const Loop &L, unsigned CLS) const;
 
 private:
   /// Attempt to delinearize the indexed reference.
@@ -193,7 +194,7 @@ public:
   /// The optional parameter \p TRT can be used to specify the max. distance
   /// between array elements accessed in a loop so that the elements are
   /// classified to have temporal reuse.
-  CacheCost(const LoopVectorTy &Loops, const LoopInfo &LI, ScalarEvolution &SE,
+  LLVM_ABI CacheCost(const LoopVectorTy &Loops, const LoopInfo &LI, ScalarEvolution &SE,
             TargetTransformInfo &TTI, AAResults &AA, DependenceInfo &DI,
             std::optional<unsigned> TRT = std::nullopt);
 
@@ -201,7 +202,7 @@ public:
   /// The optional parameter \p TRT can be used to specify the max. distance
   /// between array elements accessed in a loop so that the elements are
   /// classified to have temporal reuse.
-  static std::unique_ptr<CacheCost>
+  LLVM_ABI static std::unique_ptr<CacheCost>
   getCacheCost(Loop &Root, LoopStandardAnalysisResults &AR, DependenceInfo &DI,
                std::optional<unsigned> TRT = std::nullopt);
 
@@ -274,8 +275,8 @@ private:
   DependenceInfo &DI;
 };
 
-raw_ostream &operator<<(raw_ostream &OS, const IndexedReference &R);
-raw_ostream &operator<<(raw_ostream &OS, const CacheCost &CC);
+LLVM_ABI raw_ostream &operator<<(raw_ostream &OS, const IndexedReference &R);
+LLVM_ABI raw_ostream &operator<<(raw_ostream &OS, const CacheCost &CC);
 
 /// Printer pass for the \c CacheCost results.
 class LoopCachePrinterPass : public PassInfoMixin<LoopCachePrinterPass> {
@@ -284,7 +285,7 @@ class LoopCachePrinterPass : public PassInfoMixin<LoopCachePrinterPass> {
 public:
   explicit LoopCachePrinterPass(raw_ostream &OS) : OS(OS) {}
 
-  PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
+  LLVM_ABI PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
                         LoopStandardAnalysisResults &AR, LPMUpdater &U);
 
   static bool isRequired() { return true; }

``````````

</details>


https://github.com/llvm/llvm-project/pull/177552


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