[llvm-commits] [llvm] r148929 - in /llvm/trunk/lib: CodeGen/SelectionDAG/LegalizeDAG.cpp Target/X86/X86ISelLowering.cpp Transforms/InstCombine/InstCombineMulDivRem.cpp Transforms/InstCombine/InstCombineSimplifyDemanded.cpp Transforms/Scalar/Scala

[Eli Friedman]

On Tue, Jan 24, 2012 at 10:02 PM, Chris Lattner <sabre at nondot.org> wrote:
> Author: lattner
> Date: Wed Jan 25 00:02:56 2012
> New Revision: 148929
>
> URL: http://llvm.org/viewvc/llvm-project?rev=148929&view=rev
> Log:
> use ConstantVector::getSplat in a few places.

[...]

> -  SmallVector<Constant*,2> CV1;
> -  CV1.push_back(
> -    ConstantFP::get(*Context, APFloat(APInt(64, 0x4330000000000000ULL))));
> -  CV1.push_back(
> -    ConstantFP::get(*Context, APFloat(APInt(64, 0x4530000000000000ULL))));
> -  Constant *C1 = ConstantVector::get(CV1);
> +  Constant *C1 = ConstantVector::getSplat(2,
> +        ConstantFP::get(*Context, APFloat(APInt(64, 0x4330000000000000ULL))));
>   SDValue CPIdx1 = DAG.getConstantPool(C1, getPointerTy(), 16);

This change doesn't appear to preserve the semantics.

-Eli