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[InstCombine] add vector test for mask of add; NFC

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This commit is contained in:
Sanjay Patel 2020-11-17 12:02:27 -05:00
parent 12dbc7d290
commit 7b0f05deeb
1 changed files with 13 additions and 0 deletions
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13
test/Transforms/InstCombine/and.ll
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@ -1085,6 +1085,19 @@ define i8 @lowmask_add_2_uses(i8 %x) {
ret i8 %r
}
define <2 x i8> @lowmask_add_2_splat(<2 x i8> %x, <2 x i8>* %p) {
; CHECK-LABEL: @lowmask_add_2_splat(
; CHECK-NEXT: [[A:%.*]] = add <2 x i8> [[X:%.*]], <i8 -64, i8 -64>
; CHECK-NEXT: store <2 x i8> [[A]], <2 x i8>* [[P:%.*]], align 2
; CHECK-NEXT: [[R:%.*]] = and <2 x i8> [[A]], <i8 63, i8 63>
; CHECK-NEXT: ret <2 x i8> [[R]]
;
%a = add <2 x i8> %x, <i8 -64, i8 -64> ; 0xc0
store <2 x i8> %a, <2 x i8>* %p
%r = and <2 x i8> %a, <i8 63, i8 63> ; 0x3f
ret <2 x i8> %r
}
define i8 @not_lowmask_add(i8 %x) {
; CHECK-LABEL: @not_lowmask_add(
; CHECK-NEXT: [[A:%.*]] = add i8 [[X:%.*]], -64