[llvm-commits] [llvm] r131539 - in /llvm/trunk/test/CodeGen/X86: 2011-05-17-pmovzxwd.ll vec_shuffle-36.ll

[Chris Lattner]

On May 18, 2011, at 10:02 AM, Stuart Hastings wrote:
> URL: http://llvm.org/viewvc/llvm-project?rev=131539&view=rev
> Log:
> Merge pmovzx test case into existing file.

One more thing:

> +++ llvm/trunk/test/CodeGen/X86/vec_shuffle-36.ll Wed May 18 12:02:04 2011
> @@ -1,4 +1,5 @@
> ; RUN: llc < %s -march=x86-64 -mattr=sse41 | FileCheck %s
> +; RUN: opt -std-compile-opts < %s | llc -march=x86-64 -mattr=sse41 | FileCheck --check-prefix=CHECK_OPT_LLC %s

Why are you running -std-compile-opts here?  This is an instcombine patch, so the test should go in Transforms/Instcombine, and should *only* run instcombine.

-Chris

> 
> define <8 x i16> @shuf6(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
> ; CHECK: pshufb
> @@ -14,3 +15,21 @@
>   %tmp10 = shufflevector <8 x i16> %t0, <8 x i16> undef, <8 x i32> < i32 undef, i32 2, i32 2, i32 2, i32 2, i32 2, i32 undef, i32 undef >
>   ret <8 x i16> %tmp10
> }
> +
> +
> +; <rdar://problem/6945110>
> +define <4 x i32> @kernel3_vertical(<4 x i16> * %src, <8 x i16> * %foo) nounwind {
> +entry:
> +; CHECK_OPT_LLC: call{{.*nothing}}
> +        call void @nothing()
> +	%tmp = load <4 x i16>* %src
> +	%tmp1 = load <8 x i16>* %foo
> +; pmovzxwd ignores the upper 64-bits of its input; everything between the call and pmovzxwd should be removed.
> +	%tmp2 = shufflevector <4 x i16> %tmp, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
> +	%tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 4, i32 5, i32 6, i32 7>
> +; CHECK_OPT_LLC-NEXT: pmovzxwd
> +	%0 = call <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16> %tmp3)
> +	ret <4 x i32> %0
> +}
> +declare void @nothing() nounwind
> +declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone
> 
> 
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