[llvm] r259645 - Fix for PR 26381

[Hal Finkel via llvm-commits]

Hi Hans,

Please pull this into the release branch.

Nemanja, please add a test case. Then also send a note to Hans so he can pull that into the release branch too.

 -Hal

----- Original Message -----
> From: "Nemanja Ivanovic via llvm-commits" <llvm-commits at lists.llvm.org>
> To: llvm-commits at lists.llvm.org
> Sent: Wednesday, February 3, 2016 6:53:39 AM
> Subject: [llvm] r259645 - Fix for PR 26381
> 
> Author: nemanjai
> Date: Wed Feb  3 06:53:38 2016
> New Revision: 259645
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=259645&view=rev
> Log:
> Fix for PR 26381
> 
> Simple fix - Constant values were not being sign extended in
> FastIsel.
> 
> Modified:
>     llvm/trunk/lib/Target/PowerPC/PPCFastISel.cpp
> 
> Modified: llvm/trunk/lib/Target/PowerPC/PPCFastISel.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCFastISel.cpp?rev=259645&r1=259644&r2=259645&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCFastISel.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCFastISel.cpp Wed Feb  3 06:53:38
> 2016
> @@ -2105,7 +2105,7 @@ unsigned PPCFastISel::PPCMaterializeInt(
>    }
>  
>    // Construct the constant piecewise.
> -  int64_t Imm = CI->getZExtValue();
> +  int64_t Imm = UseSExt ? CI->getSExtValue() : CI->getZExtValue();
>    if (VT == MVT::i64)
>      return PPCMaterialize64BitInt(Imm, RC);
>    else if (VT == MVT::i32)
> 
> 
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> 

-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory