Yoshiki Vazquez-baeza / project2

Authored by Ajay Mohan 2015-12-06 23:00:12 -0800

Exists in master

Showing 1 changed file Side-by-side Diff

	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");