[llvm] r318398 - [ARM GlobalISel] Add tests for BIC. NFC

[Friedman, Eli via llvm-commits]

On 11/16/2017 5:32 AM, Diana Picus via llvm-commits wrote:
> Author: rovka
> Date: Thu Nov 16 05:32:47 2017
> New Revision: 318398
>
> URL: http://llvm.org/viewvc/llvm-project?rev=318398&view=rev
> Log:
> [ARM GlobalISel] Add tests for BIC. NFC
>
> +---
> +name:            test_bicri_commutative_xor
> +# CHECK-LABEL: name: test_bicri_commutative_xor
> +legalized:       true
> +regBankSelected: true
> +selected:        false
> +# CHECK: selected: true
> +registers:
> +  - { id: 0, class: gprb }
> +  - { id: 1, class: gprb }
> +  - { id: 2, class: gprb }
> +  - { id: 3, class: gprb }
> +  - { id: 4, class: gprb }
> +body:             |
> +  bb.0:
> +    liveins: %r0
> +
> +    %0(s32) = COPY %r0
> +    ; CHECK: [[VREGX:%[0-9]+]]:gpr = COPY %r0
> +
> +    %1(s32) = G_CONSTANT i32 192
> +
> +    %2(s32) = G_CONSTANT i32 -1
> +    %3(s32) = G_XOR %2, %1
> +    %4(s32) = G_AND %0, %3
> +    ; CHECK: [[VREGR:%[0-9]+]]:gpr = BICri [[VREGX]], 192, 14, _, _

This is a weird way to write this test.  Why not just write "G_CONSTANT 
i32 -193"?

-Eli

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