1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
//===--------------- OrcCAPITest.cpp - Unit tests Orc C API ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "OrcTestCommon.h"
#include "gtest/gtest.h"
#include "llvm-c/OrcBindings.h"
#include "llvm-c/Target.h"
#include "llvm-c/TargetMachine.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
namespace llvm {
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(TargetMachine, LLVMTargetMachineRef);
class OrcCAPIExecutionTest : public testing::Test, public OrcExecutionTest {
protected:
std::unique_ptr<Module> createTestModule(const Triple &TT) {
ModuleBuilder MB(getGlobalContext(), TT.str(), "");
Function *TestFunc = MB.createFunctionDecl<int()>("testFunc");
Function *Main = MB.createFunctionDecl<int(int, char*[])>("main");
Main->getBasicBlockList().push_back(BasicBlock::Create(getGlobalContext()));
IRBuilder<> B(&Main->back());
Value* Result = B.CreateCall(TestFunc);
B.CreateRet(Result);
return MB.takeModule();
}
typedef int (*MainFnTy)(void);
static int myTestFuncImpl(void) {
return 42;
}
static char *testFuncName;
static uint64_t myResolver(const char *Name, void *Ctx) {
if (!strncmp(Name, testFuncName, 8))
return (uint64_t)&myTestFuncImpl;
return 0;
}
struct CompileContext {
CompileContext() : Compiled(false) { }
OrcCAPIExecutionTest* APIExecTest;
std::unique_ptr<Module> M;
LLVMOrcModuleHandle H;
bool Compiled;
};
static LLVMOrcTargetAddress myCompileCallback(LLVMOrcJITStackRef JITStack,
void *Ctx) {
CompileContext *CCtx = static_cast<CompileContext*>(Ctx);
auto *ET = CCtx->APIExecTest;
CCtx->M = ET->createTestModule(ET->TM->getTargetTriple());
CCtx->H = LLVMOrcAddEagerlyCompiledIR(JITStack, wrap(CCtx->M.get()),
myResolver, 0);
CCtx->Compiled = true;
LLVMOrcTargetAddress MainAddr = LLVMOrcGetSymbolAddress(JITStack, "main");
LLVMOrcSetIndirectStubPointer(JITStack, "foo", MainAddr);
return MainAddr;
}
};
char *OrcCAPIExecutionTest::testFuncName = 0;
TEST_F(OrcCAPIExecutionTest, TestEagerIRCompilation) {
if (!TM)
return;
LLVMOrcJITStackRef JIT =
LLVMOrcCreateInstance(wrap(TM.get()), LLVMGetGlobalContext());
std::unique_ptr<Module> M = createTestModule(TM->getTargetTriple());
LLVMOrcGetMangledSymbol(JIT, &testFuncName, "testFunc");
LLVMOrcModuleHandle H =
LLVMOrcAddEagerlyCompiledIR(JIT, wrap(M.get()), myResolver, 0);
MainFnTy MainFn = (MainFnTy)LLVMOrcGetSymbolAddress(JIT, "main");
int Result = MainFn();
EXPECT_EQ(Result, 42)
<< "Eagerly JIT'd code did not return expected result";
LLVMOrcRemoveModule(JIT, H);
LLVMOrcDisposeMangledSymbol(testFuncName);
LLVMOrcDisposeInstance(JIT);
}
TEST_F(OrcCAPIExecutionTest, TestLazyIRCompilation) {
if (!TM)
return;
LLVMOrcJITStackRef JIT =
LLVMOrcCreateInstance(wrap(TM.get()), LLVMGetGlobalContext());
std::unique_ptr<Module> M = createTestModule(TM->getTargetTriple());
LLVMOrcGetMangledSymbol(JIT, &testFuncName, "testFunc");
LLVMOrcModuleHandle H =
LLVMOrcAddLazilyCompiledIR(JIT, wrap(M.get()), myResolver, 0);
MainFnTy MainFn = (MainFnTy)LLVMOrcGetSymbolAddress(JIT, "main");
int Result = MainFn();
EXPECT_EQ(Result, 42)
<< "Lazily JIT'd code did not return expected result";
LLVMOrcRemoveModule(JIT, H);
LLVMOrcDisposeMangledSymbol(testFuncName);
LLVMOrcDisposeInstance(JIT);
}
TEST_F(OrcCAPIExecutionTest, TestDirectCallbacksAPI) {
if (!TM)
return;
LLVMOrcJITStackRef JIT =
LLVMOrcCreateInstance(wrap(TM.get()), LLVMGetGlobalContext());
LLVMOrcGetMangledSymbol(JIT, &testFuncName, "testFunc");
CompileContext C;
C.APIExecTest = this;
LLVMOrcCreateIndirectStub(JIT, "foo",
LLVMOrcCreateLazyCompileCallback(JIT,
myCompileCallback,
&C));
MainFnTy FooFn = (MainFnTy)LLVMOrcGetSymbolAddress(JIT, "foo");
int Result = FooFn();
EXPECT_TRUE(C.Compiled)
<< "Function wasn't lazily compiled";
EXPECT_EQ(Result, 42)
<< "Direct-callback JIT'd code did not return expected result";
C.Compiled = false;
FooFn();
EXPECT_FALSE(C.Compiled)
<< "Direct-callback JIT'd code was JIT'd twice";
LLVMOrcRemoveModule(JIT, C.H);
LLVMOrcDisposeMangledSymbol(testFuncName);
LLVMOrcDisposeInstance(JIT);
}
}
|
