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moved this file from lib/Reoptimizer/Mapping
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3519 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anand Shukla
parent
894e830100
commit
b85d265b16
75
lib/CodeGen/Mapping/FInfo.cpp
Executable file
75
lib/CodeGen/Mapping/FInfo.cpp
Executable file
@ -0,0 +1,75 @@
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#include "llvm/Reoptimizer/Mapping/FInfo.h"
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#include "llvm/Pass.h"
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#include "llvm/Module.h"
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namespace {
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class FunctionInfo : public Pass {
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std::ostream &Out;
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public:
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FunctionInfo(std::ostream &out) : Out(out){}
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const char* getPassName() const{return "Sparc FunctionInfo";}
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bool run(Module &M);
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private:
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void FunctionInfo::writePrologue(const char *area,
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const char *label);
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void FunctionInfo::writeEpilogue(const char *area,
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const char *label);
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};
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}
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Pass *getFunctionInfo(std::ostream &out){
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return new FunctionInfo(out);
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}
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bool FunctionInfo::run(Module &M){
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unsigned f;
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writePrologue("FUNCTION MAP", "FunctionBB");
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f=0;
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for(Module::iterator FI=M.begin(), FE=M.end(); FE!=FI; ++FI){
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if(FI->isExternal()) continue;
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Out << "\t.xword BBMIMap"<<f<<"\n";
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++f;
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}
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writeEpilogue("FUNCTION MAP", "FunctionBB");
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writePrologue("FUNCTION MAP", "FunctionLI");
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f=0;
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for(Module::iterator FI=M.begin(), FE=M.end(); FE!=FI; ++FI){
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if(FI->isExternal()) continue;
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Out << "\t.xword LMIMap"<<f<<"\n";
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++f;
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}
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writeEpilogue("FUNCTION MAP", "FunctionLI");
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return false;
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}
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void FunctionInfo::writePrologue(const char *area,
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const char *label){
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Out << "\n\n\n!"<<area<<"\n";
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Out << "\t.section \".rodata\"\n\t.align 8\n";
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Out << "\t.global "<<label<<"\n";
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Out << "\t.type "<<label<<",#object\n";
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Out << label<<":\n";
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//Out << "\t.word .end_"<<label<<"-"<<label<<"\n";
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}
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void FunctionInfo::writeEpilogue(const char *area,
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const char *label){
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Out << ".end_" << label << ":\n";
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Out << "\t.size " << label << ", .end_"
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<< label << "-" << label << "\n\n\n\n";
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//Out << "\n\n!" << area << " Length\n";
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//Out << "\t.section \".bbdata\",#alloc,#write\n";
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//Out << "\t.global " << label << "_length\n";
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//Out << "\t.align 4\n";
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//Out << "\t.type " << label << "_length,#object\n";
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//Out << "\t.size "<< label <<"_length,4\n";
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//Out << label <<" _length:\n";
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//Out << "\t.word\t.end_"<<label<<"-"<<label<<"\n\n\n\n";
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}
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191
lib/Target/SparcV9/MappingInfo.cpp
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191
lib/Target/SparcV9/MappingInfo.cpp
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//===- MappingInfo.cpp - create LLVM info and output to .s file ---------===//
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//
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// Create Map from LLVM BB and Instructions and Machine Instructions
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// and output the information as .byte directives to the .s file
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// Currently Sparc specific but will be extended for others later
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//
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//===--------------------------------------------------------------------===//
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#include "llvm/Reoptimizer/Mapping/MappingInfo.h"
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#include "llvm/Pass.h"
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#include "llvm/Module.h"
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#include "llvm/CodeGen/MachineInstr.h"
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#include "llvm/CodeGen/MachineCodeForBasicBlock.h"
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#include "llvm/CodeGen/MachineCodeForInstruction.h"
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#include <map>
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using std::vector;
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// MappingInfo - This method collects mapping info
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// for the mapping from LLVM to machine code.
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//
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namespace {
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class getMappingInfoForFunction : public FunctionPass {
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std::ostream &Out;
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public:
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getMappingInfoForFunction(std::ostream &out) : Out(out){}
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const char* getPassName() const{return "Sparc MappingInformation";}
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bool runOnFunction(Function &FI);
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private:
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std::map<const Function*, unsigned> Fkey; //key of F to num
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std::map<const MachineInstr*, unsigned> BBkey; //key BB to num
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std::map<const MachineInstr*, unsigned> MIkey; //key MI to num
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bool doInitialization(Module &M);
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void create_BB_to_MInumber_Key(Function &FI);
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void create_MI_to_number_Key(Function &FI);
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void writeBBToMImap(Function &FI);
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void writeLLVMToMImap(Function &FI);
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void getMappingInfoForFunction::writePrologue(const char * area,
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const char *label,
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unsigned FunctionNo);
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void getMappingInfoForFunction::writeEpilogue(const char *area,
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const char *label,
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unsigned FunctionNo);
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unsigned writeNumber(unsigned X);
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};
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}
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//pass definition
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Pass *MappingInfoForFunction(std::ostream &out){
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return (new getMappingInfoForFunction(out));
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}
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//function definitions :
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//create and output maps to the .s file
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bool getMappingInfoForFunction::runOnFunction(Function &FI) {
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//first create reference maps
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//createFunctionKey(M);
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create_BB_to_MInumber_Key(FI);
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create_MI_to_number_Key(FI);
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unsigned FunctionNo = Fkey[&(FI)];
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//now print out the maps
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writePrologue("BB TO MI MAP", "BBMIMap", FunctionNo);
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writeBBToMImap(FI);
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writeEpilogue("BB TO MI MAP", "BBMIMap", FunctionNo);
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writePrologue("LLVM I TO MI MAP", "LMIMap", FunctionNo);
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writeLLVMToMImap(FI);
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writeEpilogue("LLVM I TO MI MAP", "LMIMap", FunctionNo);
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return false;
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}
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void getMappingInfoForFunction::writePrologue(const char *area,
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const char *label,
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unsigned FunctionNo){
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Out << "!" << area << "\n";
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Out << "\t.section \".rodata\"\n\t.align 8\n";
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Out << "\t.global " << label << FunctionNo << "\n";
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Out << "\t.type " << label << FunctionNo << ",#object\n";
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Out << label << FunctionNo << ":\n";
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Out << "\t.word .end_" << label << FunctionNo << "-"
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<< label << FunctionNo << "\n";
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}
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void getMappingInfoForFunction::writeEpilogue(const char *area,
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const char *label,
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unsigned FunctionNo){
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Out << ".end_" << label << FunctionNo << ":\n";
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Out << "\t.size " << label << FunctionNo << ", .end_"
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<< label << FunctionNo << "-" << label
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<< FunctionNo << "\n\n\n\n";
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}
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//write out information as .byte directives
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unsigned getMappingInfoForFunction::writeNumber(unsigned X) {
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unsigned i=0;
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do {
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unsigned tmp = X & 127;
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X >>= 7;
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if (X) tmp |= 128;
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Out << "\t.byte " << tmp << "\n";
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++i;
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} while(X);
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return i;
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}
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//Assign a number to each Function
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bool getMappingInfoForFunction::doInitialization(Module &M){
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unsigned i = 0;
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for (Module::iterator FI = M.begin(), FE = M.end();
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FI != FE; ++FI){
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//dont count F with 0 BBs
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if(FI->isExternal()) continue;
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Fkey[FI] = i;
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++i;
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}
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return false;
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}
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//Assign a Number to each BB
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void getMappingInfoForFunction::create_BB_to_MInumber_Key(Function &FI){
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unsigned i = 0;
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for (Function::iterator BI = FI.begin(), BE = FI.end();
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BI != BE; ++BI){
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MachineCodeForBasicBlock &miBB = MachineCodeForBasicBlock::get(BI);
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BBkey[miBB[0]] = i;
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i = i+(miBB.size());
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}
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}
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//Assign a number to each MI wrt beginning of the BB
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void getMappingInfoForFunction::create_MI_to_number_Key(Function &FI){
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for (Function::iterator BI=FI.begin(), BE=FI.end();
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BI != BE; ++BI){
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MachineCodeForBasicBlock &miBB = MachineCodeForBasicBlock::get(BI);
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unsigned j = 0;
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for(MachineCodeForBasicBlock::iterator miI=miBB.begin(), miE=miBB.end();
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miI!=miE; ++miI, ++j){
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MIkey[*miI]=j;
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}
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}
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}
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//BBtoMImap: contains F#, BB#,
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// MI#[wrt beginning of F], #MI in BB
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void getMappingInfoForFunction::writeBBToMImap(Function &FI){
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unsigned bb=0;
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for (Function::iterator BI = FI.begin(),
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BE = FI.end(); BI != BE; ++BI, ++bb){
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MachineCodeForBasicBlock &miBB = MachineCodeForBasicBlock::get(BI);
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writeNumber(bb);
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//Out << " BB: "<<(void *)BI<<"\n";
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//for(int i=0; i<miBB.size(); ++i)
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//Out<<*miBB[i]<<"\n";
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writeNumber( BBkey[ miBB[0] ]);
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writeNumber(miBB.size());
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}
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}
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//LLVMtoMImap: contains F#, BB#, LLVM#,
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// MIs[wrt to beginning of BB]
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void getMappingInfoForFunction::writeLLVMToMImap(Function &FI){
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unsigned bb =0;
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for (Function::iterator BI = FI.begin(), BE = FI.end();
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BI != BE; ++BI, ++bb){
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unsigned li = 0;
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writeNumber(bb);
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//Out << "BB: "<<(void *)BI<<"\n";
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writeNumber(BI->size());
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for (BasicBlock::iterator II = BI->begin(),
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IE = BI->end(); II != IE; ++II, ++li){
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//Out << "I: "<<*II<<"\n";
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MachineCodeForInstruction& miI =
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MachineCodeForInstruction::get(II);
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//do for each corr. MI
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writeNumber(li);
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writeNumber(miI.size());
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for (MachineCodeForInstruction::iterator miII = miI.begin(),
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miIE = miI.end(); miII != miIE; ++miII){
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//Out << "MI: "<<**miII<<"\n";
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writeNumber(MIkey[*miII]);
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}
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}
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}
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}
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