| IPConstantPropagation.cpp (198090) | IPConstantPropagation.cpp (198892) |
|---|---|
| 1//===-- IPConstantPropagation.cpp - Propagate constants through calls -----===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 10 unchanged lines hidden (view full) --- 19#include "llvm/Transforms/IPO.h" 20#include "llvm/Constants.h" 21#include "llvm/Instructions.h" 22#include "llvm/LLVMContext.h" 23#include "llvm/Module.h" 24#include "llvm/Pass.h" 25#include "llvm/Analysis/ValueTracking.h" 26#include "llvm/Support/CallSite.h" | 1//===-- IPConstantPropagation.cpp - Propagate constants through calls -----===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 10 unchanged lines hidden (view full) --- 19#include "llvm/Transforms/IPO.h" 20#include "llvm/Constants.h" 21#include "llvm/Instructions.h" 22#include "llvm/LLVMContext.h" 23#include "llvm/Module.h" 24#include "llvm/Pass.h" 25#include "llvm/Analysis/ValueTracking.h" 26#include "llvm/Support/CallSite.h" |
| 27#include "llvm/Support/Compiler.h" | |
| 28#include "llvm/ADT/Statistic.h" 29#include "llvm/ADT/SmallVector.h" 30using namespace llvm; 31 32STATISTIC(NumArgumentsProped, "Number of args turned into constants"); 33STATISTIC(NumReturnValProped, "Number of return values turned into constants"); 34 35namespace { 36 /// IPCP - The interprocedural constant propagation pass 37 /// | 27#include "llvm/ADT/Statistic.h" 28#include "llvm/ADT/SmallVector.h" 29using namespace llvm; 30 31STATISTIC(NumArgumentsProped, "Number of args turned into constants"); 32STATISTIC(NumReturnValProped, "Number of return values turned into constants"); 33 34namespace { 35 /// IPCP - The interprocedural constant propagation pass 36 /// |
| 38 struct VISIBILITY_HIDDEN IPCP : public ModulePass { | 37 struct IPCP : public ModulePass { |
| 39 static char ID; // Pass identification, replacement for typeid 40 IPCP() : ModulePass(&ID) {} 41 42 bool runOnModule(Module &M); 43 private: 44 bool PropagateConstantsIntoArguments(Function &F); 45 bool PropagateConstantReturn(Function &F); 46 }; --- 35 unchanged lines hidden (view full) --- 82 83 // For each argument, keep track of its constant value and whether it is a 84 // constant or not. The bool is driven to true when found to be non-constant. 85 SmallVector<std::pair<Constant*, bool>, 16> ArgumentConstants; 86 ArgumentConstants.resize(F.arg_size()); 87 88 unsigned NumNonconstant = 0; 89 for (Value::use_iterator UI = F.use_begin(), E = F.use_end(); UI != E; ++UI) { | 38 static char ID; // Pass identification, replacement for typeid 39 IPCP() : ModulePass(&ID) {} 40 41 bool runOnModule(Module &M); 42 private: 43 bool PropagateConstantsIntoArguments(Function &F); 44 bool PropagateConstantReturn(Function &F); 45 }; --- 35 unchanged lines hidden (view full) --- 81 82 // For each argument, keep track of its constant value and whether it is a 83 // constant or not. The bool is driven to true when found to be non-constant. 84 SmallVector<std::pair<Constant*, bool>, 16> ArgumentConstants; 85 ArgumentConstants.resize(F.arg_size()); 86 87 unsigned NumNonconstant = 0; 88 for (Value::use_iterator UI = F.use_begin(), E = F.use_end(); UI != E; ++UI) { |
| 89 // Ignore blockaddress uses. 90 if (isa<BlockAddress>(*UI)) continue; 91 |
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| 90 // Used by a non-instruction, or not the callee of a function, do not 91 // transform. 92 if (!isa<CallInst>(*UI) && !isa<InvokeInst>(*UI)) 93 return false; 94 95 CallSite CS = CallSite::get(cast<Instruction>(*UI)); 96 if (!CS.isCallee(UI)) 97 return false; --- 180 unchanged lines hidden --- | 92 // Used by a non-instruction, or not the callee of a function, do not 93 // transform. 94 if (!isa<CallInst>(*UI) && !isa<InvokeInst>(*UI)) 95 return false; 96 97 CallSite CS = CallSite::get(cast<Instruction>(*UI)); 98 if (!CS.isCallee(UI)) 99 return false; --- 180 unchanged lines hidden --- |