1 //===-- Target.cpp --------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the common infrastructure (including C bindings) for
11 // libLLVMTarget.a, which implements target information.
13 //===----------------------------------------------------------------------===//
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"
27 inline TargetLibraryInfoImpl *unwrap(LLVMTargetLibraryInfoRef P) {
28 return reinterpret_cast<TargetLibraryInfoImpl*>(P);
31 inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfoImpl *P) {
32 TargetLibraryInfoImpl *X = const_cast<TargetLibraryInfoImpl*>(P);
33 return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
36 void llvm::initializeTarget(PassRegistry &Registry) {
37 initializeDataLayoutPassPass(Registry);
38 initializeTargetLibraryInfoWrapperPassPass(Registry);
39 initializeTargetTransformInfoWrapperPassPass(Registry);
42 void LLVMInitializeTarget(LLVMPassRegistryRef R) {
43 initializeTarget(*unwrap(R));
46 LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
47 return wrap(new DataLayout(StringRep));
50 void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
51 // The DataLayoutPass must now be in sync with the module. Unfortunatelly we
52 // cannot enforce that from the C api.
53 unwrap(PM)->add(new DataLayoutPass());
56 void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI,
57 LLVMPassManagerRef PM) {
58 unwrap(PM)->add(new TargetLibraryInfoWrapperPass(*unwrap(TLI)));
61 char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
62 std::string StringRep = unwrap(TD)->getStringRepresentation();
63 return strdup(StringRep.c_str());
66 LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
67 return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
70 unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
71 return unwrap(TD)->getPointerSize(0);
74 unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) {
75 return unwrap(TD)->getPointerSize(AS);
78 LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
79 return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
82 LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) {
83 return wrap(unwrap(TD)->getIntPtrType(getGlobalContext(), AS));
86 LLVMTypeRef LLVMIntPtrTypeInContext(LLVMContextRef C, LLVMTargetDataRef TD) {
87 return wrap(unwrap(TD)->getIntPtrType(*unwrap(C)));
90 LLVMTypeRef LLVMIntPtrTypeForASInContext(LLVMContextRef C, LLVMTargetDataRef TD, unsigned AS) {
91 return wrap(unwrap(TD)->getIntPtrType(*unwrap(C), AS));
94 unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
95 return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
98 unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
99 return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
102 unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
103 return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
106 unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
107 return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
110 unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
111 return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
114 unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
115 return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
118 unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
119 LLVMValueRef GlobalVar) {
120 return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
123 unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
124 unsigned long long Offset) {
125 StructType *STy = unwrap<StructType>(StructTy);
126 return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
129 unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
131 StructType *STy = unwrap<StructType>(StructTy);
132 return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
135 void LLVMDisposeTargetData(LLVMTargetDataRef TD) {