[Transforms] Remove unused function createSimpleLoopUnrollPass

The last use was removed by:

  commit d623b2f95fd559901f008a0588dddd0949a8db01
  Author: Arthur Eubanks <aeubanks@google.com>
  Date:   Fri Mar 10 17:24:19 2023 -0800

diff --git a/llvm/include/llvm/Transforms/Scalar.h b/llvm/include/llvm/Transforms/Scalar.h
index 73fe18b..6ad3fce 100644 (file)
--- a/llvm/include/llvm/Transforms/Scalar.h
+++ b/llvm/include/llvm/Transforms/Scalar.h
@@ -110,10 +110,6 @@ Pass *createLoopUnrollPass(int OptLevel = 2, bool OnlyWhenForced = false,
                            int Count = -1, int AllowPartial = -1,
                            int Runtime = -1, int UpperBound = -1,
                            int AllowPeeling = -1);
-// Create an unrolling pass for full unrolling that uses exact trip count only
-// and also does peeling.
-Pass *createSimpleLoopUnrollPass(int OptLevel = 2, bool OnlyWhenForced = false,
-                                 bool ForgetAllSCEV = false);
 
 //===----------------------------------------------------------------------===//
 //

diff --git a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
index 70b9ff3..335b489 100644 (file)
--- a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
@@ -1477,12 +1477,6 @@ Pass *llvm::createLoopUnrollPass(int OptLevel, bool OnlyWhenForced,
       AllowPeeling == -1 ? std::nullopt : std::optional<bool>(AllowPeeling));
 }
 
-Pass *llvm::createSimpleLoopUnrollPass(int OptLevel, bool OnlyWhenForced,
-                                       bool ForgetAllSCEV) {
-  return createLoopUnrollPass(OptLevel, OnlyWhenForced, ForgetAllSCEV, -1, -1,
-                              0, 0, 0, 1);
-}
-
 PreservedAnalyses LoopFullUnrollPass::run(Loop &L, LoopAnalysisManager &AM,
                                           LoopStandardAnalysisResults &AR,
                                           LPMUpdater &Updater) {