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Add a couple more helper functions to deal with

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creating global constant strings and pointers
to global constant strings.

llvm-svn: 53051
This commit is contained in:
Eric Christopher 2008-07-02 22:57:59 +00:00
parent d9458e2d39
commit 4c3e39e220
1 changed files with 20 additions and 1 deletions
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21
include/llvm/Support/IRBuilder.h
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@ -18,6 +18,8 @@
#include "llvm/BasicBlock.h"
#include "llvm/Instructions.h"
#include "llvm/Constants.h"
#include "llvm/GlobalVariable.h"
#include "llvm/Function.h"
namespace llvm {
@ -308,7 +310,24 @@ public:
return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
}
Value *CreateGlobalString(const char *Str = "", const char *Name = "") {
Constant *StrConstant = ConstantArray::get(Str, true);
GlobalVariable *gv = new llvm::GlobalVariable(StrConstant->getType(),
true,
GlobalValue::InternalLinkage,
StrConstant,
"",
BB->getParent()->getParent(),
false);
gv->setName(Name);
return gv;
}
Value *CreateGlobalStringPtr(const char *Str = "", const char *Name = "") {
Value *gv = CreateGlobalString(Str, Name);
Value *zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0);
Value *Args[] = { zero, zero };
return CreateGEP(gv, Args, Args+2, Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Cast/Conversion Operators
//===--------------------------------------------------------------------===//