1 //===---- IRBuilder.cpp - Builder for LLVM Instrs -------------------------===//
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 IRBuilder class, which is used as a convenient way
11 // to create LLVM instructions with a consistent and simplified interface.
13 //===----------------------------------------------------------------------===//
15 #include "llvm/Support/IRBuilder.h"
16 #include "llvm/GlobalVariable.h"
17 #include "llvm/Function.h"
18 #include "llvm/Metadata.h"
19 #include "llvm/LLVMContext.h"
22 /// CreateGlobalString - Make a new global variable with an initializer that
23 /// has array of i8 type filled in the the nul terminated string value
24 /// specified. If Name is specified, it is the name of the global variable
26 Value *IRBuilderBase::CreateGlobalString(const char *Str, const Twine &Name) {
27 Constant *StrConstant = ConstantArray::get(Context, Str, true);
28 Module &M = *BB->getParent()->getParent();
29 GlobalVariable *GV = new GlobalVariable(M, StrConstant->getType(),
30 true, GlobalValue::InternalLinkage,
31 StrConstant, "", 0, false);
36 /// SetCurrentDebugLocation - Set location information used by debugging
38 void IRBuilderBase::SetCurrentDebugLocation(MDNode *L) {
40 DbgMDKind = Context.getMetadata().getMDKindID("dbg");
44 void IRBuilderBase::SetInstDebugLocation(Instruction *I) const {
46 Context.getMetadata().addMD(DbgMDKind, CurDbgLocation, I);
49 const Type *IRBuilderBase::getCurrentFunctionReturnType() const {
50 assert(BB && BB->getParent() && "No current function!");
51 return BB->getParent()->getReturnType();