[llvm-commits] [llvm] r76861 - /llvm/trunk/test/Transforms/InstCombine/vector-casts.ll

[Daniel Dunbar]

If and when FileCheck grows negative checks, we should make it enforce
that there is always some positive check. :)

 - Daniel

On Wed, Jul 22, 2009 at 10:27 PM, Chris Lattner<sabre at nondot.org> wrote:
> Author: lattner
> Date: Thu Jul 23 00:27:48 2009
> New Revision: 76861
>
> URL: http://llvm.org/viewvc/llvm-project?rev=76861&view=rev
> Log:
> convert a test to filecheck format.  This fixes an endemic problem
> with negative tests: this test wasn't checking what it thought it was
> because it was grepping .bc, not .ll.
>
> Modified:
>    llvm/trunk/test/Transforms/InstCombine/vector-casts.ll
>
> Modified: llvm/trunk/test/Transforms/InstCombine/vector-casts.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/vector-casts.ll?rev=76861&r1=76860&r2=76861&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/Transforms/InstCombine/vector-casts.ll (original)
> +++ llvm/trunk/test/Transforms/InstCombine/vector-casts.ll Thu Jul 23 00:27:48 2009
> @@ -1,15 +1,22 @@
> -; RUN: llvm-as < %s | opt -instcombine > %t
> -; RUN: not grep trunc %t
> -; RUN: not grep ashr %t
> +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | FileCheck %s
>
>  ; This turns into a&1 != 0
> -define <2 x i1> @a(<2 x i64> %a) {
> +define <2 x i1> @test1(<2 x i64> %a) {
>   %t = trunc <2 x i64> %a to <2 x i1>
>   ret <2 x i1> %t
> +
> +; CHECK: define <2 x i1> @test1
> +; CHECK:   and <2 x i64> %a, <i64 1, i64 1>
> +; CHECK:   icmp ne <2 x i64> %tmp, zeroinitializer
>  }
> +
>  ; The ashr turns into an lshr.
> -define <2 x i64> @b(<2 x i64> %a) {
> +define <2 x i64> @test2(<2 x i64> %a) {
>   %b = and <2 x i64> %a, <i64 65535, i64 65535>
>   %t = ashr <2 x i64> %b, <i64 1, i64 1>
>   ret <2 x i64> %t
> +
> +; CHECK: define <2 x i64> @test2
> +; CHECK:   and <2 x i64> %a, <i64 65535, i64 65535>
> +; CHECK:   lshr <2 x i64> %b, <i64 1, i64 1>
>  }
>
>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>