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
|
/*===-- module.c - tool for testing libLLVM and llvm-c API ----------------===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This file implements the --module-dump, --module-list-functions and *|
|* --module-list-globals commands in llvm-c-test. *|
|* *|
\*===----------------------------------------------------------------------===*/
#include "llvm-c-test.h"
#include "llvm-c/BitReader.h"
#include <stdio.h>
#include <stdlib.h>
static void diagnosticHandler(LLVMDiagnosticInfoRef DI, void *C) {
char *CErr = LLVMGetDiagInfoDescription(DI);
fprintf(stderr, "Error with new bitcode parser: %s\n", CErr);
LLVMDisposeMessage(CErr);
exit(1);
}
LLVMModuleRef llvm_load_module(bool Lazy, bool New) {
LLVMMemoryBufferRef MB;
LLVMModuleRef M;
char *msg = NULL;
if (LLVMCreateMemoryBufferWithSTDIN(&MB, &msg)) {
fprintf(stderr, "Error reading file: %s\n", msg);
exit(1);
}
LLVMBool Ret;
if (New) {
LLVMContextRef C = LLVMGetGlobalContext();
LLVMContextSetDiagnosticHandler(C, diagnosticHandler, NULL);
if (Lazy)
Ret = LLVMGetBitcodeModule2(MB, &M);
else
Ret = LLVMParseBitcode2(MB, &M);
} else {
if (Lazy)
Ret = LLVMGetBitcodeModule(MB, &M, &msg);
else
Ret = LLVMParseBitcode(MB, &M, &msg);
}
if (Ret) {
fprintf(stderr, "Error parsing bitcode: %s\n", msg);
LLVMDisposeMemoryBuffer(MB);
exit(1);
}
if (!Lazy)
LLVMDisposeMemoryBuffer(MB);
return M;
}
int llvm_module_dump(bool Lazy, bool New) {
LLVMModuleRef M = llvm_load_module(Lazy, New);
char *irstr = LLVMPrintModuleToString(M);
puts(irstr);
LLVMDisposeMessage(irstr);
LLVMDisposeModule(M);
return 0;
}
int llvm_module_list_functions(void) {
LLVMModuleRef M = llvm_load_module(false, false);
LLVMValueRef f;
f = LLVMGetFirstFunction(M);
while (f) {
if (LLVMIsDeclaration(f)) {
printf("FunctionDeclaration: %s\n", LLVMGetValueName(f));
} else {
LLVMBasicBlockRef bb;
LLVMValueRef isn;
unsigned nisn = 0;
unsigned nbb = 0;
printf("FunctionDefinition: %s [#bb=%u]\n", LLVMGetValueName(f),
LLVMCountBasicBlocks(f));
for (bb = LLVMGetFirstBasicBlock(f); bb;
bb = LLVMGetNextBasicBlock(bb)) {
nbb++;
for (isn = LLVMGetFirstInstruction(bb); isn;
isn = LLVMGetNextInstruction(isn)) {
nisn++;
if (LLVMIsACallInst(isn)) {
LLVMValueRef callee =
LLVMGetOperand(isn, LLVMGetNumOperands(isn) - 1);
printf(" calls: %s\n", LLVMGetValueName(callee));
}
}
}
printf(" #isn: %u\n", nisn);
printf(" #bb: %u\n\n", nbb);
}
f = LLVMGetNextFunction(f);
}
LLVMDisposeModule(M);
return 0;
}
int llvm_module_list_globals(void) {
LLVMModuleRef M = llvm_load_module(false, false);
LLVMValueRef g;
g = LLVMGetFirstGlobal(M);
while (g) {
LLVMTypeRef T = LLVMTypeOf(g);
char *s = LLVMPrintTypeToString(T);
printf("Global%s: %s %s\n",
LLVMIsDeclaration(g) ? "Declaration" : "Definition",
LLVMGetValueName(g), s);
LLVMDisposeMessage(s);
g = LLVMGetNextGlobal(g);
}
LLVMDisposeModule(M);
return 0;
}
|
