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annotate examples/ParallelJIT/ParallelJIT.cpp @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents 95c75e76d11b
children afa8332a0e37
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1 //===-- examples/ParallelJIT/ParallelJIT.cpp - Exercise threaded-safe JIT -===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // Parallel JIT
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11 //
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12 // This test program creates two LLVM functions then calls them from three
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13 // separate threads. It requires the pthreads library.
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14 // The three threads are created and then block waiting on a condition variable.
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15 // Once all threads are blocked on the conditional variable, the main thread
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16 // wakes them up. This complicated work is performed so that all three threads
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17 // call into the JIT at the same time (or the best possible approximation of the
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18 // same time). This test had assertion errors until I got the locking right.
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19
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20 #include "llvm/ExecutionEngine/GenericValue.h"
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21 #include "llvm/ExecutionEngine/Interpreter.h"
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22 #include "llvm/IR/Constants.h"
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23 #include "llvm/IR/DerivedTypes.h"
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24 #include "llvm/IR/Instructions.h"
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25 #include "llvm/IR/LLVMContext.h"
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26 #include "llvm/IR/Module.h"
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27 #include "llvm/Support/TargetSelect.h"
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28 #include <iostream>
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29 #include <pthread.h>
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30 using namespace llvm;
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31
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32 static Function* createAdd1(Module *M) {
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33 // Create the add1 function entry and insert this entry into module M. The
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34 // function will have a return type of "int" and take an argument of "int".
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35 // The '0' terminates the list of argument types.
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36 Function *Add1F =
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37 cast<Function>(M->getOrInsertFunction("add1",
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38 Type::getInt32Ty(M->getContext()),
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39 Type::getInt32Ty(M->getContext()),
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40 (Type *)0));
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41
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42 // Add a basic block to the function. As before, it automatically inserts
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43 // because of the last argument.
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44 BasicBlock *BB = BasicBlock::Create(M->getContext(), "EntryBlock", Add1F);
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45
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46 // Get pointers to the constant `1'.
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47 Value *One = ConstantInt::get(Type::getInt32Ty(M->getContext()), 1);
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48
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49 // Get pointers to the integer argument of the add1 function...
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50 assert(Add1F->arg_begin() != Add1F->arg_end()); // Make sure there's an arg
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51 Argument *ArgX = Add1F->arg_begin(); // Get the arg
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52 ArgX->setName("AnArg"); // Give it a nice symbolic name for fun.
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53
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54 // Create the add instruction, inserting it into the end of BB.
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55 Instruction *Add = BinaryOperator::CreateAdd(One, ArgX, "addresult", BB);
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56
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57 // Create the return instruction and add it to the basic block
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58 ReturnInst::Create(M->getContext(), Add, BB);
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59
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60 // Now, function add1 is ready.
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61 return Add1F;
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62 }
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63
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64 static Function *CreateFibFunction(Module *M) {
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65 // Create the fib function and insert it into module M. This function is said
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66 // to return an int and take an int parameter.
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67 Function *FibF =
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68 cast<Function>(M->getOrInsertFunction("fib",
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69 Type::getInt32Ty(M->getContext()),
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70 Type::getInt32Ty(M->getContext()),
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71 (Type *)0));
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72
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73 // Add a basic block to the function.
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74 BasicBlock *BB = BasicBlock::Create(M->getContext(), "EntryBlock", FibF);
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75
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76 // Get pointers to the constants.
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77 Value *One = ConstantInt::get(Type::getInt32Ty(M->getContext()), 1);
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78 Value *Two = ConstantInt::get(Type::getInt32Ty(M->getContext()), 2);
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79
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80 // Get pointer to the integer argument of the add1 function...
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81 Argument *ArgX = FibF->arg_begin(); // Get the arg.
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82 ArgX->setName("AnArg"); // Give it a nice symbolic name for fun.
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83
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84 // Create the true_block.
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85 BasicBlock *RetBB = BasicBlock::Create(M->getContext(), "return", FibF);
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86 // Create an exit block.
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87 BasicBlock* RecurseBB = BasicBlock::Create(M->getContext(), "recurse", FibF);
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88
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89 // Create the "if (arg < 2) goto exitbb"
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90 Value *CondInst = new ICmpInst(*BB, ICmpInst::ICMP_SLE, ArgX, Two, "cond");
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91 BranchInst::Create(RetBB, RecurseBB, CondInst, BB);
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92
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93 // Create: ret int 1
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94 ReturnInst::Create(M->getContext(), One, RetBB);
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95
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96 // create fib(x-1)
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97 Value *Sub = BinaryOperator::CreateSub(ArgX, One, "arg", RecurseBB);
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98 Value *CallFibX1 = CallInst::Create(FibF, Sub, "fibx1", RecurseBB);
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99
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100 // create fib(x-2)
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101 Sub = BinaryOperator::CreateSub(ArgX, Two, "arg", RecurseBB);
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102 Value *CallFibX2 = CallInst::Create(FibF, Sub, "fibx2", RecurseBB);
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103
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104 // fib(x-1)+fib(x-2)
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105 Value *Sum =
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106 BinaryOperator::CreateAdd(CallFibX1, CallFibX2, "addresult", RecurseBB);
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107
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108 // Create the return instruction and add it to the basic block
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109 ReturnInst::Create(M->getContext(), Sum, RecurseBB);
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110
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111 return FibF;
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112 }
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113
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114 struct threadParams {
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115 ExecutionEngine* EE;
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116 Function* F;
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117 int value;
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118 };
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119
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120 // We block the subthreads just before they begin to execute:
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121 // we want all of them to call into the JIT at the same time,
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122 // to verify that the locking is working correctly.
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123 class WaitForThreads
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124 {
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125 public:
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126 WaitForThreads()
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127 {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 n = 0;
95c75e76d11b LLVM 3.4
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parents:
diff changeset
129 waitFor = 0;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 int result = pthread_cond_init( &condition, NULL );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 assert( result == 0 );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 result = pthread_mutex_init( &mutex, NULL );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 assert( result == 0 );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 ~WaitForThreads()
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 int result = pthread_cond_destroy( &condition );
77
54457678186b LLVM 3.6
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parents: 0
diff changeset
141 (void)result;
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 assert( result == 0 );
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 result = pthread_mutex_destroy( &mutex );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 assert( result == 0 );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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diff changeset
148 // All threads will stop here until another thread calls releaseThreads
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 void block()
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 int result = pthread_mutex_lock( &mutex );
77
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parents: 0
diff changeset
152 (void)result;
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 assert( result == 0 );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 n ++;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 //~ std::cout << "block() n " << n << " waitFor " << waitFor << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 assert( waitFor == 0 || n <= waitFor );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 if ( waitFor > 0 && n == waitFor )
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 // There are enough threads blocked that we can release all of them
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 std::cout << "Unblocking threads from block()" << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 unblockThreads();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 else
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 // We just need to wait until someone unblocks us
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 result = pthread_cond_wait( &condition, &mutex );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 assert( result == 0 );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 // unlock the mutex before returning
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 result = pthread_mutex_unlock( &mutex );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 assert( result == 0 );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 // If there are num or more threads blocked, it will signal them all
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 // Otherwise, this thread blocks until there are enough OTHER threads
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 // blocked
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 void releaseThreads( size_t num )
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 int result = pthread_mutex_lock( &mutex );
77
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parents: 0
diff changeset
182 (void)result;
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 assert( result == 0 );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 if ( n >= num ) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 std::cout << "Unblocking threads from releaseThreads()" << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 unblockThreads();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 else
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 waitFor = num;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 pthread_cond_wait( &condition, &mutex );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194
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parents:
diff changeset
195 // unlock the mutex before returning
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 result = pthread_mutex_unlock( &mutex );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 assert( result == 0 );
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parents:
diff changeset
198 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 private:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 void unblockThreads()
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 {
95c75e76d11b LLVM 3.4
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parents:
diff changeset
203 // Reset the counters to zero: this way, if any new threads
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 // enter while threads are exiting, they will block instead
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 // of triggering a new release of threads
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 n = 0;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 // Reset waitFor to zero: this way, if waitFor threads enter
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 // while threads are exiting, they will block instead of
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 // triggering a new release of threads
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 waitFor = 0;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 int result = pthread_cond_broadcast( &condition );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 (void)result;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 assert(result == 0);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 size_t n;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 size_t waitFor;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 pthread_cond_t condition;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 pthread_mutex_t mutex;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 };
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 static WaitForThreads synchronize;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 void* callFunc( void* param )
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 struct threadParams* p = (struct threadParams*) param;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
229
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 // Call the `foo' function with no arguments:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
231 std::vector<GenericValue> Args(1);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 Args[0].IntVal = APInt(32, p->value);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
233
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 synchronize.block(); // wait until other threads are at this point
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 GenericValue gv = p->EE->runFunction(p->F, Args);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 return (void*)(intptr_t)gv.IntVal.getZExtValue();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 int main() {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 InitializeNativeTarget();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 LLVMContext Context;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 // Create some module to put our function into it.
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
245 std::unique_ptr<Module> Owner = make_unique<Module>("test", Context);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
246 Module *M = Owner.get();
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 Function* add1F = createAdd1( M );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 Function* fibF = CreateFibFunction( M );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
250
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 // Now we create the JIT.
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
252 ExecutionEngine* EE = EngineBuilder(std::move(Owner)).create();
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
253
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 //~ std::cout << "We just constructed this LLVM module:\n\n" << *M;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 //~ std::cout << "\n\nRunning foo: " << std::flush;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
256
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 // Create one thread for add1 and two threads for fib
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
258 struct threadParams add1 = { EE, add1F, 1000 };
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
259 struct threadParams fib1 = { EE, fibF, 39 };
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
260 struct threadParams fib2 = { EE, fibF, 42 };
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
261
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
262 pthread_t add1Thread;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
263 int result = pthread_create( &add1Thread, NULL, callFunc, &add1 );
95c75e76d11b LLVM 3.4
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264 if ( result != 0 ) {
95c75e76d11b LLVM 3.4
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265 std::cerr << "Could not create thread" << std::endl;
95c75e76d11b LLVM 3.4
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266 return 1;
95c75e76d11b LLVM 3.4
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267 }
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268
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269 pthread_t fibThread1;
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270 result = pthread_create( &fibThread1, NULL, callFunc, &fib1 );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 if ( result != 0 ) {
95c75e76d11b LLVM 3.4
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272 std::cerr << "Could not create thread" << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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273 return 1;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
274 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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diff changeset
275
95c75e76d11b LLVM 3.4
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276 pthread_t fibThread2;
95c75e76d11b LLVM 3.4
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diff changeset
277 result = pthread_create( &fibThread2, NULL, callFunc, &fib2 );
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
278 if ( result != 0 ) {
95c75e76d11b LLVM 3.4
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diff changeset
279 std::cerr << "Could not create thread" << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
280 return 1;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
281 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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diff changeset
282
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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283 synchronize.releaseThreads(3); // wait until other threads are at this point
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284
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diff changeset
285 void* returnValue;
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286 result = pthread_join( add1Thread, &returnValue );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
287 if ( result != 0 ) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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288 std::cerr << "Could not join thread" << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
289 return 1;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
290 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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291 std::cout << "Add1 returned " << intptr_t(returnValue) << std::endl;
95c75e76d11b LLVM 3.4
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diff changeset
292
95c75e76d11b LLVM 3.4
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diff changeset
293 result = pthread_join( fibThread1, &returnValue );
95c75e76d11b LLVM 3.4
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parents:
diff changeset
294 if ( result != 0 ) {
95c75e76d11b LLVM 3.4
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diff changeset
295 std::cerr << "Could not join thread" << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
296 return 1;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
297 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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298 std::cout << "Fib1 returned " << intptr_t(returnValue) << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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diff changeset
299
95c75e76d11b LLVM 3.4
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diff changeset
300 result = pthread_join( fibThread2, &returnValue );
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
301 if ( result != 0 ) {
95c75e76d11b LLVM 3.4
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parents:
diff changeset
302 std::cerr << "Could not join thread" << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
303 return 1;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
304 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
305 std::cout << "Fib2 returned " << intptr_t(returnValue) << std::endl;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
306
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
307 return 0;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
308 }