[NFC] SILOptimizer: Remove LexicalDestroyHoisting.

nate-chandler · nate-chandler · commit e125c5cf64d7 · 2024-07-22T20:35:30.000-07:00
It has been superseded by OwnedValueCanonicalization's support for
lexical values.
diff --git a/include/swift/SILOptimizer/Utils/CanonicalizeBorrowScope.h b/include/swift/SILOptimizer/Utils/CanonicalizeBorrowScope.h
@@ -168,12 +168,6 @@ bool shrinkBorrowScope(
 MoveValueInst *foldDestroysOfCopiedLexicalBorrow(BeginBorrowInst *bbi,
                                                  DominanceInfo &dominanceTree,
                                                  InstructionDeleter &deleter);
-
-bool hoistDestroysOfOwnedLexicalValue(SILValue const value,
-                                      SILFunction &function,
-                                      InstructionDeleter &deleter,
-                                      BasicCalleeAnalysis *calleeAnalysis);
-
 } // namespace swift
 
 #endif // SWIFT_SILOPTIMIZER_UTILS_CANONICALIZEBORROWSCOPES_H
diff --git a/lib/SILOptimizer/Utils/CMakeLists.txt b/lib/SILOptimizer/Utils/CMakeLists.txt
@@ -19,7 +19,6 @@ target_sources(swiftSILOptimizer PRIVATE
   InstOptUtils.cpp
   KeyPathProjector.cpp
   LexicalDestroyFolding.cpp
-  LexicalDestroyHoisting.cpp
   LoopUtils.cpp
   OptimizerStatsUtils.cpp
   PartialApplyCombiner.cpp
diff --git a/lib/SILOptimizer/Utils/LexicalDestroyHoisting.cpp b/lib/SILOptimizer/Utils/LexicalDestroyHoisting.cpp
