llvm/lib/Transforms/IPO/IPO.cpp

   1 //===-- IPO.cpp -----------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file implements the common infrastructure (including C bindings) for
  10 // libLLVMIPO.a, which implements several transformations over the LLVM
  11 // intermediate representation.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "llvm-c/Transforms/IPO.h"
  16 #include "llvm-c/Initialization.h"
  17 #include "llvm/IR/LegacyPassManager.h"
  18 #include "llvm/InitializePasses.h"
  19 #include "llvm/Transforms/IPO.h"
  20 #include "llvm/Transforms/IPO/AlwaysInliner.h"
  21 #include "llvm/Transforms/IPO/FunctionAttrs.h"
  22
  23 using namespace llvm;
  24
  25 void llvm::initializeIPO(PassRegistry &Registry) {
  26   initializeOpenMPOptCGSCCLegacyPassPass(Registry);
  27   initializeAnnotation2MetadataLegacyPass(Registry);
  28   initializeCalledValuePropagationLegacyPassPass(Registry);
  29   initializeConstantMergeLegacyPassPass(Registry);
  30   initializeCrossDSOCFIPass(Registry);
  31   initializeDAEPass(Registry);
  32   initializeDAHPass(Registry);
  33   initializeForceFunctionAttrsLegacyPassPass(Registry);
  34   initializeFunctionSpecializationLegacyPassPass(Registry);
  35   initializeGlobalDCELegacyPassPass(Registry);
  36   initializeGlobalOptLegacyPassPass(Registry);
  37   initializeGlobalSplitPass(Registry);
  38   initializeHotColdSplittingLegacyPassPass(Registry);
  39   initializeIROutlinerLegacyPassPass(Registry);
  40   initializeAlwaysInlinerLegacyPassPass(Registry);
  41   initializeSimpleInlinerPass(Registry);
  42   initializeInferFunctionAttrsLegacyPassPass(Registry);
  43   initializeInternalizeLegacyPassPass(Registry);
  44   initializeLoopExtractorLegacyPassPass(Registry);
  45   initializeBlockExtractorLegacyPassPass(Registry);
  46   initializeSingleLoopExtractorPass(Registry);
  47   initializeMergeFunctionsLegacyPassPass(Registry);
  48   initializePartialInlinerLegacyPassPass(Registry);
  49   initializeAttributorLegacyPassPass(Registry);
  50   initializeAttributorCGSCCLegacyPassPass(Registry);
  51   initializePostOrderFunctionAttrsLegacyPassPass(Registry);
  52   initializeReversePostOrderFunctionAttrsLegacyPassPass(Registry);
  53   initializePruneEHPass(Registry);
  54   initializeIPSCCPLegacyPassPass(Registry);
  55   initializeStripDeadPrototypesLegacyPassPass(Registry);
  56   initializeStripSymbolsPass(Registry);
  57   initializeStripDebugDeclarePass(Registry);
  58   initializeStripDeadDebugInfoPass(Registry);
  59   initializeStripNonDebugSymbolsPass(Registry);
  60   initializeBarrierNoopPass(Registry);
  61   initializeEliminateAvailableExternallyLegacyPassPass(Registry);
  62 }
  63
  64 void LLVMInitializeIPO(LLVMPassRegistryRef R) {
  65   initializeIPO(*unwrap(R));
  66 }
  67
  68 void LLVMAddCalledValuePropagationPass(LLVMPassManagerRef PM) {
  69   unwrap(PM)->add(createCalledValuePropagationPass());
  70 }
  71
  72 void LLVMAddConstantMergePass(LLVMPassManagerRef PM) {
  73   unwrap(PM)->add(createConstantMergePass());
  74 }
  75
  76 void LLVMAddDeadArgEliminationPass(LLVMPassManagerRef PM) {
  77   unwrap(PM)->add(createDeadArgEliminationPass());
  78 }
  79
  80 void LLVMAddFunctionAttrsPass(LLVMPassManagerRef PM) {
  81   unwrap(PM)->add(createPostOrderFunctionAttrsLegacyPass());
  82 }
  83
  84 void LLVMAddFunctionInliningPass(LLVMPassManagerRef PM) {
  85   unwrap(PM)->add(createFunctionInliningPass());
  86 }
  87
  88 void LLVMAddAlwaysInlinerPass(LLVMPassManagerRef PM) {
  89   unwrap(PM)->add(llvm::createAlwaysInlinerLegacyPass());
  90 }
  91
  92 void LLVMAddGlobalDCEPass(LLVMPassManagerRef PM) {
  93   unwrap(PM)->add(createGlobalDCEPass());
  94 }
  95
  96 void LLVMAddGlobalOptimizerPass(LLVMPassManagerRef PM) {
  97   unwrap(PM)->add(createGlobalOptimizerPass());
  98 }
  99
 100 void LLVMAddPruneEHPass(LLVMPassManagerRef PM) {
 101   unwrap(PM)->add(createPruneEHPass());
 102 }
 103
 104 void LLVMAddIPSCCPPass(LLVMPassManagerRef PM) {
 105   unwrap(PM)->add(createIPSCCPPass());
 106 }
 107
 108 void LLVMAddMergeFunctionsPass(LLVMPassManagerRef PM) {
 109   unwrap(PM)->add(createMergeFunctionsPass());
 110 }
 111
 112 void LLVMAddInternalizePass(LLVMPassManagerRef PM, unsigned AllButMain) {
 113   auto PreserveMain = [=](const GlobalValue &GV) {
 114     return AllButMain && GV.getName() == "main";
 115   };
 116   unwrap(PM)->add(createInternalizePass(PreserveMain));
 117 }
 118
 119 void LLVMAddInternalizePassWithMustPreservePredicate(
 120     LLVMPassManagerRef PM,
 121     void *Context,
 122     LLVMBool (*Pred)(LLVMValueRef, void *)) {
 123   unwrap(PM)->add(createInternalizePass([=](const GlobalValue &GV) {
 124     return Pred(wrap(&GV), Context) == 0 ? false : true;
 125   }));
 126 }
 127
 128 void LLVMAddStripDeadPrototypesPass(LLVMPassManagerRef PM) {
 129   unwrap(PM)->add(createStripDeadPrototypesPass());
 130 }
 131
 132 void LLVMAddStripSymbolsPass(LLVMPassManagerRef PM) {
 133   unwrap(PM)->add(createStripSymbolsPass());
 134 }