Target.cpp revision 288943 
1//===-- Target.cpp --------------------------------------------------------===//
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 file implements the common infrastructure (including C bindings) for
11// libLLVMTarget.a, which implements target information.
12//
13//===----------------------------------------------------------------------===//
14
15#include "llvm-c/Target.h"
16#include "llvm-c/Initialization.h"
17#include "llvm/IR/DataLayout.h"
18#include "llvm/IR/LLVMContext.h"
19#include "llvm/IR/Value.h"
20#include "llvm/InitializePasses.h"
21#include "llvm/IR/LegacyPassManager.h"
22#include "llvm/Analysis/TargetLibraryInfo.h"
23#include <cstring>
24
25using namespace llvm;
26
27inline TargetLibraryInfoImpl *unwrap(LLVMTargetLibraryInfoRef P) {
28  return reinterpret_cast<TargetLibraryInfoImpl*>(P);
29}
30
31inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfoImpl *P) {
32  TargetLibraryInfoImpl *X = const_cast<TargetLibraryInfoImpl*>(P);
33  return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
34}
35
36void llvm::initializeTarget(PassRegistry &Registry) {
37  initializeTargetLibraryInfoWrapperPassPass(Registry);
38  initializeTargetTransformInfoWrapperPassPass(Registry);
39}
40
41void LLVMInitializeTarget(LLVMPassRegistryRef R) {
42  initializeTarget(*unwrap(R));
43}
44
45LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
46  return wrap(new DataLayout(StringRep));
47}
48
49void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
50}
51
52void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI,
53                              LLVMPassManagerRef PM) {
54  unwrap(PM)->add(new TargetLibraryInfoWrapperPass(*unwrap(TLI)));
55}
56
57char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
58  std::string StringRep = unwrap(TD)->getStringRepresentation();
59  return strdup(StringRep.c_str());
60}
61
62LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
63  return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
64}
65
66unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
67  return unwrap(TD)->getPointerSize(0);
68}
69
70unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) {
71  return unwrap(TD)->getPointerSize(AS);
72}
73
74LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
75  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
76}
77
78LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) {
79  return wrap(unwrap(TD)->getIntPtrType(getGlobalContext(), AS));
80}
81
82LLVMTypeRef LLVMIntPtrTypeInContext(LLVMContextRef C, LLVMTargetDataRef TD) {
83  return wrap(unwrap(TD)->getIntPtrType(*unwrap(C)));
84}
85
86LLVMTypeRef LLVMIntPtrTypeForASInContext(LLVMContextRef C, LLVMTargetDataRef TD, unsigned AS) {
87  return wrap(unwrap(TD)->getIntPtrType(*unwrap(C), AS));
88}
89
90unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
91  return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
92}
93
94unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
95  return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
96}
97
98unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
99  return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
100}
101
102unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
103  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
104}
105
106unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
107  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
108}
109
110unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
111  return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
112}
113
114unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
115                                        LLVMValueRef GlobalVar) {
116  return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
117}
118
119unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
120                             unsigned long long Offset) {
121  StructType *STy = unwrap<StructType>(StructTy);
122  return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
123}
124
125unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
126                                       unsigned Element) {
127  StructType *STy = unwrap<StructType>(StructTy);
128  return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
129}
130
131void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
132  delete unwrap(TD);
133}
134