[cfe-commits] r130830 - /cfe/trunk/lib/CodeGen/CGBuiltin.cpp

[Chris Lattner]

On May 3, 2011, at 7:40 PM, Bill Wendling wrote:

> Author: void
> Date: Tue May  3 21:40:38 2011
> New Revision: 130830
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=130830&view=rev
> Log:
> Convert the non-temporal store builtins to LLVM-native IR.

Thanks Bill,

MDNode::get takes an ArrayRef, so you don't need the SmallVector temporary, just pass the ConstantInt in directly.  Also, IRBuilder has a helper to get i32 constants, something like Builder->getInt32(1)

-Chris

> 
> Modified:
>    cfe/trunk/lib/CodeGen/CGBuiltin.cpp
> 
> Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=130830&r1=130829&r2=130830&view=diff
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Tue May  3 21:40:38 2011
> @@ -2154,6 +2154,23 @@
>     LI->setAlignment(1); // Unaligned load.
>     return Builder.CreateBitCast(LI, VecTy, "loadu.cast");
>   }
> +  case X86::BI__builtin_ia32_movntps:
> +  case X86::BI__builtin_ia32_movntpd:
> +  case X86::BI__builtin_ia32_movntdq:
> +  case X86::BI__builtin_ia32_movnti: {
> +    llvm::SmallVector<Value *, 1> Elts;
> +    Elts.push_back(llvm::ConstantInt::get(Int32Ty, 1));
> +    llvm::MDNode *Node = llvm::MDNode::get(getLLVMContext(), Elts);
> +
> +    // Convert the type of the pointer to a pointer to the stored type.
> +    Value *BC = Builder.CreateBitCast(Ops[0],
> +                                llvm::PointerType::getUnqual(Ops[1]->getType()),
> +                                      "cast");
> +    StoreInst *SI = Builder.CreateStore(Ops[1], BC);
> +    SI->setMetadata(CGM.getModule().getMDKindID("nontemporal"), Node);
> +    SI->setAlignment(16);
> +    return SI;
> +  }
>   // 3DNow!
>   case X86::BI__builtin_ia32_pavgusb:
>   case X86::BI__builtin_ia32_pf2id:
> 
> 
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