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2018 Aug 08
2
[PATCH] D50328: [X86][SSE] Combine (some) target shuffles with multiple uses
Simon Pilgrim <llvm-dev at redking.me.uk> writes:
> Changing a test's IR to avoid an issue in a patch is very problematic,
> but if any test's codegen changes because of a patch then it just
> needs to be reviewed, preferably by someone who has touched that test
> in the past.
But wouldn't it be even better if that output didn't need to be changed
at all and
2018 Aug 06
2
[PATCH] D50328: [X86][SSE] Combine (some) target shuffles with multiple uses
[NOTE: Removed Phab and reviewers]
> ================
> Comment at: test/CodeGen/X86/2012-01-12-extract-sv.ll:12
> +; CHECK-NEXT: vblendps {{.*#+}} xmm1 = xmm1[0],xmm2[1,2,3]
> +; CHECK-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
> ; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
> ----------------
> greened wrote:
>> Can we make this test less brittle by