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/LLVMContext.h"
21 /// CreateGlobalString - Make a new global variable with an initializer that
22 /// has array of i8 type filled in the the nul terminated string value
23 /// specified. If Name is specified, it is the name of the global variable
25 Value *IRBuilderBase::CreateGlobalString(const char *Str, const Twine &Name) {
26 Constant *StrConstant = ConstantArray::get(Context, Str, true);
27 Module &M = *BB->getParent()->getParent();
28 GlobalVariable *GV = new GlobalVariable(M, StrConstant->getType(),
29 true, GlobalValue::InternalLinkage,
30 StrConstant, "", 0, false);
35 /// SetCurrentDebugLocation - Set location information used by debugging
37 void IRBuilderBase::SetCurrentDebugLocation(MDNode *L) {
39 DbgMDKind = Context.getMDKindID("dbg");
43 void IRBuilderBase::SetInstDebugLocation(Instruction *I) const {
45 I->setMetadata(DbgMDKind, CurDbgLocation);
48 const Type *IRBuilderBase::getCurrentFunctionReturnType() const {
49 assert(BB && BB->getParent() && "No current function!");
50 return BB->getParent()->getReturnType();