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Add IRBuilder::CreateConstGEP{1, 2}_{32, 64}.

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- Names are lame, but it seems better to be explicit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66295 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-03-06 22:26:07 +00:00
parent 3c89812109
commit 1779f2213f
1 changed files with 36 additions and 4 deletions
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40
include/llvm/Support/IRBuilder.h
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@ -318,16 +318,48 @@ public:
return Folder.CreateGetElementPtr(PC, &IC, 1); return Folder.CreateGetElementPtr(PC, &IC, 1);
return Insert(GetElementPtrInst::Create(Ptr, Idx), Name); return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
} }
Value *CreateStructGEP(Value *Ptr, unsigned Idx, const char *Name = "") { Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const char *Name = "") {
llvm::Value *Idx = ConstantInt::get(llvm::Type::Int32Ty, Idx0);
if (Constant *PC = dyn_cast<Constant>(Ptr))
return Folder.CreateGetElementPtr(PC, &Idx, 1);
return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
}
Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
const char *Name = "") {
llvm::Value *Idxs[] = { llvm::Value *Idxs[] = {
ConstantInt::get(llvm::Type::Int32Ty, 0), ConstantInt::get(llvm::Type::Int32Ty, Idx0),
ConstantInt::get(llvm::Type::Int32Ty, Idx) ConstantInt::get(llvm::Type::Int32Ty, Idx1)
}; };
if (Constant *PC = dyn_cast<Constant>(Ptr)) if (Constant *PC = dyn_cast<Constant>(Ptr))
return Folder.CreateGetElementPtr(PC, Idxs, 2); return Folder.CreateGetElementPtr(PC, Idxs, 2);
return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name); return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
}
Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const char *Name = "") {
llvm::Value *Idx = ConstantInt::get(llvm::Type::Int64Ty, Idx0);
if (Constant *PC = dyn_cast<Constant>(Ptr))
return Folder.CreateGetElementPtr(PC, &Idx, 1);
return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
}
Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
const char *Name = "") {
llvm::Value *Idxs[] = {
ConstantInt::get(llvm::Type::Int64Ty, Idx0),
ConstantInt::get(llvm::Type::Int64Ty, Idx1)
};
if (Constant *PC = dyn_cast<Constant>(Ptr))
return Folder.CreateGetElementPtr(PC, Idxs, 2);
return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
}
Value *CreateStructGEP(Value *Ptr, unsigned Idx, const char *Name = "") {
return CreateConstGEP2_32(Ptr, 0, Idx, Name);
} }
Value *CreateGlobalString(const char *Str = "", const char *Name = "") { Value *CreateGlobalString(const char *Str = "", const char *Name = "") {
Constant *StrConstant = ConstantArray::get(Str, true); Constant *StrConstant = ConstantArray::get(Str, true);