[Bindings] Move LLVMAddInstructionSimplifyPass to Scalar.cpp

[aeubanks]

Summary

Should not be with the pass, but alongside all the other C bindings.

[sroland]

Looks good to me.

llvm/lib/Transforms/Scalar/InstSimplifyPass.cpp

 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/AssumptionCache.h"
 #include "llvm/Analysis/InstructionSimplify.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
-#include "llvm/IR/LegacyPassManager.h"
 #include "llvm/IR/Type.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/Transforms/Utils.h"
 #include "llvm/Transforms/Utils/Local.h"
 
 using namespace llvm;

 INITIALIZE_PASS_END(InstSimplifyLegacyPass, "instsimplify",
                     "Remove redundant instructions", false, false)
 
 // Public interface to the simplify instructions pass.
 FunctionPass *llvm::createInstSimplifyLegacyPass() {
   return new InstSimplifyLegacyPass();
 }
 
-void LLVMAddInstructionSimplifyPass(LLVMPassManagerRef PM) {
-  unwrap(PM)->add(createInstSimplifyLegacyPass());
-}
-
 PreservedAnalyses InstSimplifyPass::run(Function &F,
                                         FunctionAnalysisManager &AM) {
   auto &DT = AM.getResult<DominatorTreeAnalysis>(F);
   auto &TLI = AM.getResult<TargetLibraryAnalysis>(F);
   auto &AC = AM.getResult<AssumptionAnalysis>(F);
   auto &ORE = AM.getResult<OptimizationRemarkEmitterAnalysis>(F);
   const DataLayout &DL = F.getParent()->getDataLayout();
   const SimplifyQuery SQ(DL, &TLI, &DT, &AC);
   bool Changed = runImpl(F, SQ, &ORE);
   if (!Changed)
     return PreservedAnalyses::all();
 
   PreservedAnalyses PA;
   PA.preserveSet<CFGAnalyses>();
   return PA;
 }

llvm/lib/Transforms/Scalar/Scalar.cpp

 void LLVMAddMergedLoadStoreMotionPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createMergedLoadStoreMotionPass());
 }
 
 void LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createIndVarSimplifyPass());
 }
 
+void LLVMAddInstructionSimplifyPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createInstSimplifyLegacyPass());
+}
+
 void LLVMAddJumpThreadingPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createJumpThreadingPass());
 }
 
 void LLVMAddLoopSinkPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createLoopSinkPass());
 }