Yoshiki Vazquez-baeza / project2

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llvm/src/lib/CSE231/CPAnalysis.cpp View file @ 20676aa
File was created 1 //===- CPAnalysis.cpp
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 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the constant propagation analysis.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/ADT/StringMap.h"
15 #include "llvm/ADT/DenseMap.h"
16 #include "llvm/IR/Function.h"
17 #include "llvm/IR/Module.h"
18 #include "llvm/IR/BasicBlock.h"
19 #include "llvm/IR/Instruction.h"
20 #include "llvm/Pass.h"
21 #include "llvm/Support/raw_ostream.h"
22 #include "llvm/Support/InstIterator.h"
23 using namespace llvm;
24
25 namespace {
26
27 struct CPAnalysis : public ModulePass {
28 static char ID;
29
30 CPAnalysis() : ModulePass(ID) {}
31
32 virtual bool runOnModule(Module &M) {
33 unsigned opcode;
34 IRBuilder<> builder(M.getContext());
35
36 // Iterating over all the functions in the module
37 for (Module::iterator FB = M.begin(), FE = M.end(); FB != FE; ++FB) {
38
39 // get the list to work
40 // Worklist(LatticeDefinition, FB, LatticeDefinition.Top());
41
42 }
43
44 // we are not modifying the code so return False
45 return false;
46 }
47
48 };
49 }
50
51 char CPAnalysis::ID = 0;
52 static RegisterPass<CPAnalysis> X("constant-propagation-analysis", "Analyze all the functions in a module with a constant propagation lattice");
53
//===- CPAnalysis.cpp 1 54
// 2
// The LLVM Compiler Infrastructure 3
// 4
// This file is distributed under the University of Illinois Open Source 5
// License. See LICENSE.TXT for details. 6
// 7
//===----------------------------------------------------------------------===// 8
// 9
// This file implements the constant propagation analysis. 10
// 11
//===----------------------------------------------------------------------===// 12
13
#include "llvm/ADT/StringMap.h" 14
#include "llvm/ADT/DenseMap.h" 15
#include "llvm/IR/Function.h" 16
#include "llvm/IR/Module.h" 17
#include "llvm/IR/BasicBlock.h" 18
#include "llvm/IR/Instruction.h" 19
#include "llvm/Pass.h" 20
#include "llvm/Support/raw_ostream.h" 21
#include "llvm/Support/InstIterator.h" 22
using namespace llvm; 23
24
namespace { 25
26
struct CPAnalysis : public ModulePass { 27
static char ID; 28
29
CPAnalysis() : ModulePass(ID) {} 30
31
virtual bool runOnModule(Module &M) { 32
unsigned opcode; 33
IRBuilder<> builder(M.getContext()); 34
35
// Iterating over all the functions in the module 36
for (Module::iterator FB = M.begin(), FE = M.end(); FB != FE; ++FB) { 37
38
// get the list to work 39
// Worklist(LatticeDefinition, FB, LatticeDefinition.Top()); 40
41