LLVM  8.0.0svn
TargetMachine.h
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1 /*===-- llvm-c/TargetMachine.h - Target Machine Library C Interface - C++ -*-=*\
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 header declares the C interface to the Target and TargetMachine *|
11 |* classes, which can be used to generate assembly or object files. *|
12 |* *|
13 |* Many exotic languages can interoperate with C code but have a harder time *|
14 |* with C++ due to name mangling. So in addition to C, this interface enables *|
15 |* tools written in such languages. *|
16 |* *|
17 \*===----------------------------------------------------------------------===*/
18 
19 #ifndef LLVM_C_TARGETMACHINE_H
20 #define LLVM_C_TARGETMACHINE_H
21 
22 #include "llvm-c/Target.h"
23 #include "llvm-c/Types.h"
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 typedef struct LLVMOpaqueTargetMachine *LLVMTargetMachineRef;
29 typedef struct LLVMTarget *LLVMTargetRef;
30 
31 typedef enum {
37 
38 typedef enum {
44 
45 typedef enum {
54 
55 typedef enum {
59 
60 /** Returns the first llvm::Target in the registered targets list. */
61 LLVMTargetRef LLVMGetFirstTarget(void);
62 /** Returns the next llvm::Target given a previous one (or null if there's none) */
63 LLVMTargetRef LLVMGetNextTarget(LLVMTargetRef T);
64 
65 /*===-- Target ------------------------------------------------------------===*/
66 /** Finds the target corresponding to the given name and stores it in \p T.
67  Returns 0 on success. */
68 LLVMTargetRef LLVMGetTargetFromName(const char *Name);
69 
70 /** Finds the target corresponding to the given triple and stores it in \p T.
71  Returns 0 on success. Optionally returns any error in ErrorMessage.
72  Use LLVMDisposeMessage to dispose the message. */
73 LLVMBool LLVMGetTargetFromTriple(const char* Triple, LLVMTargetRef *T,
74  char **ErrorMessage);
75 
76 /** Returns the name of a target. See llvm::Target::getName */
77 const char *LLVMGetTargetName(LLVMTargetRef T);
78 
79 /** Returns the description of a target. See llvm::Target::getDescription */
80 const char *LLVMGetTargetDescription(LLVMTargetRef T);
81 
82 /** Returns if the target has a JIT */
83 LLVMBool LLVMTargetHasJIT(LLVMTargetRef T);
84 
85 /** Returns if the target has a TargetMachine associated */
87 
88 /** Returns if the target as an ASM backend (required for emitting output) */
89 LLVMBool LLVMTargetHasAsmBackend(LLVMTargetRef T);
90 
91 /*===-- Target Machine ----------------------------------------------------===*/
92 /** Creates a new llvm::TargetMachine. See llvm::Target::createTargetMachine */
93 LLVMTargetMachineRef LLVMCreateTargetMachine(LLVMTargetRef T,
94  const char *Triple, const char *CPU, const char *Features,
95  LLVMCodeGenOptLevel Level, LLVMRelocMode Reloc, LLVMCodeModel CodeModel);
96 
97 /** Dispose the LLVMTargetMachineRef instance generated by
98  LLVMCreateTargetMachine. */
99 void LLVMDisposeTargetMachine(LLVMTargetMachineRef T);
100 
101 /** Returns the Target used in a TargetMachine */
102 LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T);
103 
104 /** Returns the triple used creating this target machine. See
105  llvm::TargetMachine::getTriple. The result needs to be disposed with
106  LLVMDisposeMessage. */
107 char *LLVMGetTargetMachineTriple(LLVMTargetMachineRef T);
108 
109 /** Returns the cpu used creating this target machine. See
110  llvm::TargetMachine::getCPU. The result needs to be disposed with
111  LLVMDisposeMessage. */
112 char *LLVMGetTargetMachineCPU(LLVMTargetMachineRef T);
113 
114 /** Returns the feature string used creating this target machine. See
115  llvm::TargetMachine::getFeatureString. The result needs to be disposed with
116  LLVMDisposeMessage. */
117 char *LLVMGetTargetMachineFeatureString(LLVMTargetMachineRef T);
118 
119 /** Create a DataLayout based on the targetMachine. */
120 LLVMTargetDataRef LLVMCreateTargetDataLayout(LLVMTargetMachineRef T);
121 
122 /** Set the target machine's ASM verbosity. */
123 void LLVMSetTargetMachineAsmVerbosity(LLVMTargetMachineRef T,
124  LLVMBool VerboseAsm);
125 
126 /** Emits an asm or object file for the given module to the filename. This
127  wraps several c++ only classes (among them a file stream). Returns any
128  error in ErrorMessage. Use LLVMDisposeMessage to dispose the message. */
129 LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
130  char *Filename, LLVMCodeGenFileType codegen, char **ErrorMessage);
131 
132 /** Compile the LLVM IR stored in \p M and store the result in \p OutMemBuf. */
134  LLVMCodeGenFileType codegen, char** ErrorMessage, LLVMMemoryBufferRef *OutMemBuf);
135 
136 /*===-- Triple ------------------------------------------------------------===*/
137 /** Get a triple for the host machine as a string. The result needs to be
138  disposed with LLVMDisposeMessage. */
139 char* LLVMGetDefaultTargetTriple(void);
140 
141 /** Normalize a target triple. The result needs to be disposed with
142  LLVMDisposeMessage. */
143 char* LLVMNormalizeTargetTriple(const char* triple);
144 
145 /** Get the host CPU as a string. The result needs to be disposed with
146  LLVMDisposeMessage. */
147 char* LLVMGetHostCPUName(void);
148 
149 /** Get the host CPU's features as a string. The result needs to be disposed
150  with LLVMDisposeMessage. */
151 char* LLVMGetHostCPUFeatures(void);
152 
153 /** Adds the target-specific analysis passes to the pass manager. */
154 void LLVMAddAnalysisPasses(LLVMTargetMachineRef T, LLVMPassManagerRef PM);
155 
156 #ifdef __cplusplus
157 }
158 #endif
159 
160 #endif
static void codegen(Module *M, llvm::raw_pwrite_stream &OS, function_ref< std::unique_ptr< TargetMachine >()> TMFactory, TargetMachine::CodeGenFileType FileType)
Definition: ParallelCG.cpp:28
char * LLVMGetTargetMachineFeatureString(LLVMTargetMachineRef T)
Returns the feature string used creating this target machine.
struct LLVMOpaqueModule * LLVMModuleRef
The top-level container for all other LLVM Intermediate Representation (IR) objects.
Definition: Types.h:62
struct LLVMOpaqueMemoryBuffer * LLVMMemoryBufferRef
LLVM uses a polymorphic type hierarchy which C cannot represent, therefore parameters must be passed ...
Definition: Types.h:49
LLVMBool LLVMTargetHasTargetMachine(LLVMTargetRef T)
Returns if the target has a TargetMachine associated.
LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T)
Returns the Target used in a TargetMachine.
LLVMBool LLVMTargetMachineEmitToMemoryBuffer(LLVMTargetMachineRef T, LLVMModuleRef M, LLVMCodeGenFileType codegen, char **ErrorMessage, LLVMMemoryBufferRef *OutMemBuf)
Compile the LLVM IR stored in M and store the result in OutMemBuf.
LLVMCodeGenOptLevel
Definition: TargetMachine.h:31
const char * LLVMGetTargetDescription(LLVMTargetRef T)
Returns the description of a target.
LLVMCodeGenFileType
Definition: TargetMachine.h:55
struct LLVMOpaqueTargetData * LLVMTargetDataRef
Definition: DataLayout.h:39
struct LLVMOpaqueTargetMachine * LLVMTargetMachineRef
Definition: TargetMachine.h:28
char * LLVMGetTargetMachineTriple(LLVMTargetMachineRef T)
Returns the triple used creating this target machine.
LLVMTargetDataRef LLVMCreateTargetDataLayout(LLVMTargetMachineRef T)
Create a DataLayout based on the targetMachine.
LLVMTargetRef LLVMGetTargetFromName(const char *Name)
Finds the target corresponding to the given name and stores it in T.
char * LLVMGetTargetMachineCPU(LLVMTargetMachineRef T)
Returns the cpu used creating this target machine.
LLVMTargetRef LLVMGetFirstTarget(void)
Returns the first llvm::Target in the registered targets list.
LLVMTargetMachineRef LLVMCreateTargetMachine(LLVMTargetRef T, const char *Triple, const char *CPU, const char *Features, LLVMCodeGenOptLevel Level, LLVMRelocMode Reloc, LLVMCodeModel CodeModel)
Creates a new llvm::TargetMachine.
char * LLVMGetHostCPUName(void)
Get the host CPU as a string.
LLVMBool LLVMGetTargetFromTriple(const char *Triple, LLVMTargetRef *T, char **ErrorMessage)
Finds the target corresponding to the given triple and stores it in T.
char * LLVMGetDefaultTargetTriple(void)
Get a triple for the host machine as a string.
struct LLVMTarget * LLVMTargetRef
Definition: TargetMachine.h:29
LLVMCodeModel
Definition: TargetMachine.h:45
const char * LLVMGetTargetName(LLVMTargetRef T)
Returns the name of a target.
char * LLVMNormalizeTargetTriple(const char *triple)
Normalize a target triple.
char * LLVMGetHostCPUFeatures(void)
Get the host CPU&#39;s features as a string.
LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M, char *Filename, LLVMCodeGenFileType codegen, char **ErrorMessage)
Emits an asm or object file for the given module to the filename.
int LLVMBool
Definition: Types.h:29
LLVMBool LLVMTargetHasJIT(LLVMTargetRef T)
Returns if the target has a JIT.
void LLVMDisposeTargetMachine(LLVMTargetMachineRef T)
Dispose the LLVMTargetMachineRef instance generated by LLVMCreateTargetMachine.
void LLVMAddAnalysisPasses(LLVMTargetMachineRef T, LLVMPassManagerRef PM)
Adds the target-specific analysis passes to the pass manager.
struct LLVMOpaquePassManager * LLVMPassManagerRef
Definition: Types.h:121
LLVMRelocMode
Definition: TargetMachine.h:38
void LLVMSetTargetMachineAsmVerbosity(LLVMTargetMachineRef T, LLVMBool VerboseAsm)
Set the target machine&#39;s ASM verbosity.
LLVMTargetRef LLVMGetNextTarget(LLVMTargetRef T)
Returns the next llvm::Target given a previous one (or null if there&#39;s none)
LLVMBool LLVMTargetHasAsmBackend(LLVMTargetRef T)
Returns if the target as an ASM backend (required for emitting output)
const FeatureBitset Features