bindings/go/llvm/IRBindings.cpp

   1 //===- IRBindings.cpp - Additional bindings for ir ------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines additional C bindings for the ir component.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "IRBindings.h"
  14 #include "llvm/IR/Attributes.h"
  15 #include "llvm/IR/DebugLoc.h"
  16 #include "llvm/IR/DebugInfoMetadata.h"
  17 #include "llvm/IR/Function.h"
  18 #include "llvm/IR/IRBuilder.h"
  19 #include "llvm/IR/LLVMContext.h"
  20 #include "llvm/IR/Module.h"
  21
  22 using namespace llvm;
  23
  24 LLVMMetadataRef LLVMConstantAsMetadata(LLVMValueRef C) {
  25   return wrap(ConstantAsMetadata::get(unwrap<Constant>(C)));
  26 }
  27
  28 LLVMMetadataRef LLVMMDString2(LLVMContextRef C, const char *Str, unsigned SLen) {
  29   return wrap(MDString::get(*unwrap(C), StringRef(Str, SLen)));
  30 }
  31
  32 LLVMMetadataRef LLVMMDNode2(LLVMContextRef C, LLVMMetadataRef *MDs,
  33                             unsigned Count) {
  34   return wrap(
  35       MDNode::get(*unwrap(C), ArrayRef<Metadata *>(unwrap(MDs), Count)));
  36 }
  37
  38 void LLVMAddNamedMetadataOperand2(LLVMModuleRef M, const char *name,
  39                                   LLVMMetadataRef Val) {
  40   NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(name);
  41   if (!N)
  42     return;
  43   if (!Val)
  44     return;
  45   N->addOperand(unwrap<MDNode>(Val));
  46 }
  47
  48 void LLVMSetMetadata2(LLVMValueRef Inst, unsigned KindID, LLVMMetadataRef MD) {
  49   MDNode *N = MD ? unwrap<MDNode>(MD) : nullptr;
  50   unwrap<Instruction>(Inst)->setMetadata(KindID, N);
  51 }
  52
  53 void LLVMGoSetCurrentDebugLocation(LLVMBuilderRef Bref, unsigned Line,
  54                                   unsigned Col, LLVMMetadataRef Scope,
  55                                   LLVMMetadataRef InlinedAt) {
  56   unwrap(Bref)->SetCurrentDebugLocation(
  57       DebugLoc::get(Line, Col, Scope ? unwrap<MDNode>(Scope) : nullptr,
  58                     InlinedAt ? unwrap<MDNode>(InlinedAt) : nullptr));
  59 }
  60
  61 LLVMDebugLocMetadata LLVMGoGetCurrentDebugLocation(LLVMBuilderRef Bref) {
  62   const auto& Loc = unwrap(Bref)->getCurrentDebugLocation();
  63   const auto* InlinedAt = Loc.getInlinedAt();
  64   const LLVMDebugLocMetadata md{
  65     Loc.getLine(),
  66     Loc.getCol(),
  67     wrap(Loc.getScope()),
  68     InlinedAt == nullptr ? nullptr : wrap(InlinedAt->getRawInlinedAt()),
  69   };
  70   return md;
  71 }
  72