Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/lib/Transforms/Scalar/Scalar.cpp

@@ -0,0 +1,282 @@
+//===-- Scalar.cpp --------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements common infrastructure for libLLVMScalarOpts.a, which
+// implements several scalar transformations over the LLVM intermediate
+// representation, including the C bindings for that library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Transforms/Scalar.h"
+#include "llvm-c/Initialization.h"
+#include "llvm-c/Transforms/Scalar.h"
+#include "llvm/Analysis/BasicAliasAnalysis.h"
+#include "llvm/Analysis/Passes.h"
+#include "llvm/Analysis/ScopedNoAliasAA.h"
+#include "llvm/Analysis/TypeBasedAliasAnalysis.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/IR/Verifier.h"
+#include "llvm/InitializePasses.h"
+#include "llvm/Transforms/Scalar/GVN.h"
+#include "llvm/Transforms/Scalar/SimpleLoopUnswitch.h"
+
+using namespace llvm;
+
+/// initializeScalarOptsPasses - Initialize all passes linked into the
+/// ScalarOpts library.
+void llvm::initializeScalarOpts(PassRegistry &Registry) {
+  initializeADCELegacyPassPass(Registry);
+  initializeBDCELegacyPassPass(Registry);
+  initializeAlignmentFromAssumptionsPass(Registry);
+  initializeCallSiteSplittingLegacyPassPass(Registry);
+  initializeConstantHoistingLegacyPassPass(Registry);
+  initializeConstantPropagationPass(Registry);
+  initializeCorrelatedValuePropagationPass(Registry);
+  initializeDCELegacyPassPass(Registry);
+  initializeDeadInstEliminationPass(Registry);
+  initializeDivRemPairsLegacyPassPass(Registry);
+  initializeScalarizerPass(Registry);
+  initializeDSELegacyPassPass(Registry);
+  initializeGuardWideningLegacyPassPass(Registry);
+  initializeGVNLegacyPassPass(Registry);
+  initializeNewGVNLegacyPassPass(Registry);
+  initializeEarlyCSELegacyPassPass(Registry);
+  initializeEarlyCSEMemSSALegacyPassPass(Registry);
+  initializeGVNHoistLegacyPassPass(Registry);
+  initializeGVNSinkLegacyPassPass(Registry);
+  initializeFlattenCFGPassPass(Registry);
+  initializeInductiveRangeCheckEliminationPass(Registry);
+  initializeIndVarSimplifyLegacyPassPass(Registry);
+  initializeInferAddressSpacesPass(Registry);
+  initializeJumpThreadingPass(Registry);
+  initializeLegacyLICMPassPass(Registry);
+  initializeLegacyLoopSinkPassPass(Registry);
+  initializeLoopDataPrefetchLegacyPassPass(Registry);
+  initializeLoopDeletionLegacyPassPass(Registry);
+  initializeLoopAccessLegacyAnalysisPass(Registry);
+  initializeLoopInstSimplifyLegacyPassPass(Registry);
+  initializeLoopInterchangePass(Registry);
+  initializeLoopPredicationLegacyPassPass(Registry);
+  initializeLoopRotateLegacyPassPass(Registry);
+  initializeLoopStrengthReducePass(Registry);
+  initializeLoopRerollPass(Registry);
+  initializeLoopUnrollPass(Registry);
+  initializeLoopUnswitchPass(Registry);
+  initializeLoopVersioningLICMPass(Registry);
+  initializeLoopIdiomRecognizeLegacyPassPass(Registry);
+  initializeLowerAtomicLegacyPassPass(Registry);
+  initializeLowerExpectIntrinsicPass(Registry);
+  initializeLowerGuardIntrinsicLegacyPassPass(Registry);
+  initializeMemCpyOptLegacyPassPass(Registry);
+  initializeMergeICmpsPass(Registry);
+  initializeMergedLoadStoreMotionLegacyPassPass(Registry);
+  initializeNaryReassociateLegacyPassPass(Registry);
+  initializePartiallyInlineLibCallsLegacyPassPass(Registry);
+  initializeReassociateLegacyPassPass(Registry);
+  initializeRegToMemPass(Registry);
+  initializeRewriteStatepointsForGCLegacyPassPass(Registry);
+  initializeSCCPLegacyPassPass(Registry);
+  initializeIPSCCPLegacyPassPass(Registry);
+  initializeSROALegacyPassPass(Registry);
+  initializeCFGSimplifyPassPass(Registry);
+  initializeStructurizeCFGPass(Registry);
+  initializeSimpleLoopUnswitchLegacyPassPass(Registry);
+  initializeSinkingLegacyPassPass(Registry);
+  initializeTailCallElimPass(Registry);
+  initializeSeparateConstOffsetFromGEPPass(Registry);
+  initializeSpeculativeExecutionLegacyPassPass(Registry);
+  initializeStraightLineStrengthReducePass(Registry);
+  initializePlaceBackedgeSafepointsImplPass(Registry);
+  initializePlaceSafepointsPass(Registry);
+  initializeFloat2IntLegacyPassPass(Registry);
+  initializeLoopDistributeLegacyPass(Registry);
+  initializeLoopLoadEliminationPass(Registry);
+  initializeLoopSimplifyCFGLegacyPassPass(Registry);
+  initializeLoopVersioningPassPass(Registry);
+  initializeEntryExitInstrumenterPass(Registry);
+  initializePostInlineEntryExitInstrumenterPass(Registry);
+}
+
+void LLVMInitializeScalarOpts(LLVMPassRegistryRef R) {
+  initializeScalarOpts(*unwrap(R));
+}
+
+void LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createAggressiveDCEPass());
+}
+
+void LLVMAddBitTrackingDCEPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createBitTrackingDCEPass());
+}
+
+void LLVMAddAlignmentFromAssumptionsPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createAlignmentFromAssumptionsPass());
+}
+
+void LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createCFGSimplificationPass(1, false, false, true));
+}
+
+void LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createDeadStoreEliminationPass());
+}
+
+void LLVMAddScalarizerPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createScalarizerPass());
+}
+
+void LLVMAddGVNPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createGVNPass());
+}
+
+void LLVMAddNewGVNPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createNewGVNPass());
+}
+
+void LLVMAddMergedLoadStoreMotionPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createMergedLoadStoreMotionPass());
+}
+
+void LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createIndVarSimplifyPass());
+}
+
+void LLVMAddInstructionCombiningPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createInstructionCombiningPass());
+}
+
+void LLVMAddJumpThreadingPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createJumpThreadingPass());
+}
+
+void LLVMAddLoopSinkPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLoopSinkPass());
+}
+
+void LLVMAddLICMPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLICMPass());
+}
+
+void LLVMAddLoopDeletionPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLoopDeletionPass());
+}
+
+void LLVMAddLoopIdiomPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLoopIdiomPass());
+}
+
+void LLVMAddLoopRotatePass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLoopRotatePass());
+}
+
+void LLVMAddLoopRerollPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLoopRerollPass());
+}
+
+void LLVMAddLoopSimplifyCFGPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLoopSimplifyCFGPass());
+}
+
+void LLVMAddLoopUnrollPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLoopUnrollPass());
+}
+
+void LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLoopUnswitchPass());
+}
+
+void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createMemCpyOptPass());
+}
+
+void LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createPartiallyInlineLibCallsPass());
+}
+
+void LLVMAddLowerSwitchPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLowerSwitchPass());
+}
+
+void LLVMAddPromoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createPromoteMemoryToRegisterPass());
+}
+
+void LLVMAddReassociatePass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createReassociatePass());
+}
+
+void LLVMAddSCCPPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createSCCPPass());
+}
+
+void LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createSROAPass());
+}
+
+void LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createSROAPass());
+}
+
+void LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,
+                                                  int Threshold) {
+  unwrap(PM)->add(createSROAPass());
+}
+
+void LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM) {
+  // NOTE: The simplify-libcalls pass has been removed.
+}
+
+void LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createTailCallEliminationPass());
+}
+
+void LLVMAddConstantPropagationPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createConstantPropagationPass());
+}
+
+void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createDemoteRegisterToMemoryPass());
+}
+
+void LLVMAddVerifierPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createVerifierPass());
+}
+
+void LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createCorrelatedValuePropagationPass());
+}
+
+void LLVMAddEarlyCSEPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createEarlyCSEPass(false/*=UseMemorySSA*/));
+}
+
+void LLVMAddEarlyCSEMemSSAPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createEarlyCSEPass(true/*=UseMemorySSA*/));
+}
+
+void LLVMAddGVNHoistLegacyPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createGVNHoistPass());
+}
+
+void LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createTypeBasedAAWrapperPass());
+}
+
+void LLVMAddScopedNoAliasAAPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createScopedNoAliasAAWrapperPass());
+}
+
+void LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createBasicAAWrapperPass());
+}
+
+void LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLowerExpectIntrinsicPass());
+}