Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/lib/Target/Target.cpp

@@ -0,0 +1,141 @@
+//===-- Target.cpp --------------------------------------------------------===//
+//
+//                     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 common infrastructure (including C bindings) for 
+// libLLVMTarget.a, which implements target information.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm-c/Target.h"
+#include "llvm-c/Initialization.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/IR/Value.h"
+#include "llvm/InitializePasses.h"
+#include <cstring>
+
+using namespace llvm;
+
+// Avoid including "llvm-c/Core.h" for compile time, fwd-declare this instead.
+extern "C" LLVMContextRef LLVMGetGlobalContext(void);
+
+inline TargetLibraryInfoImpl *unwrap(LLVMTargetLibraryInfoRef P) {
+  return reinterpret_cast<TargetLibraryInfoImpl*>(P);
+}
+
+inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfoImpl *P) {
+  TargetLibraryInfoImpl *X = const_cast<TargetLibraryInfoImpl*>(P);
+  return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
+}
+
+void llvm::initializeTarget(PassRegistry &Registry) {
+  initializeTargetLibraryInfoWrapperPassPass(Registry);
+  initializeTargetTransformInfoWrapperPassPass(Registry);
+}
+
+void LLVMInitializeTarget(LLVMPassRegistryRef R) {
+  initializeTarget(*unwrap(R));
+}
+
+LLVMTargetDataRef LLVMGetModuleDataLayout(LLVMModuleRef M) {
+  return wrap(&unwrap(M)->getDataLayout());
+}
+
+void LLVMSetModuleDataLayout(LLVMModuleRef M, LLVMTargetDataRef DL) {
+  unwrap(M)->setDataLayout(*unwrap(DL));
+}
+
+LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
+  return wrap(new DataLayout(StringRep));
+}
+
+void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
+  delete unwrap(TD);
+}
+
+void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI,
+                              LLVMPassManagerRef PM) {
+  unwrap(PM)->add(new TargetLibraryInfoWrapperPass(*unwrap(TLI)));
+}
+
+char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
+  std::string StringRep = unwrap(TD)->getStringRepresentation();
+  return strdup(StringRep.c_str());
+}
+
+LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
+  return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
+}
+
+unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
+  return unwrap(TD)->getPointerSize(0);
+}
+
+unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) {
+  return unwrap(TD)->getPointerSize(AS);
+}
+
+LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
+  return wrap(unwrap(TD)->getIntPtrType(*unwrap(LLVMGetGlobalContext())));
+}
+
+LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) {
+  return wrap(unwrap(TD)->getIntPtrType(*unwrap(LLVMGetGlobalContext()), AS));
+}
+
+LLVMTypeRef LLVMIntPtrTypeInContext(LLVMContextRef C, LLVMTargetDataRef TD) {
+  return wrap(unwrap(TD)->getIntPtrType(*unwrap(C)));
+}
+
+LLVMTypeRef LLVMIntPtrTypeForASInContext(LLVMContextRef C, LLVMTargetDataRef TD, unsigned AS) {
+  return wrap(unwrap(TD)->getIntPtrType(*unwrap(C), AS));
+}
+
+unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
+}
+
+unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
+}
+
+unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
+}
+
+unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
+}
+
+unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
+}
+
+unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
+}
+
+unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
+                                        LLVMValueRef GlobalVar) {
+  return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
+}
+
+unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
+                             unsigned long long Offset) {
+  StructType *STy = unwrap<StructType>(StructTy);
+  return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
+}
+
+unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
+                                       unsigned Element) {
+  StructType *STy = unwrap<StructType>(StructTy);
+  return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
+}