# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
#
# Check that we can recognize a shuffle mask for a zip instruction, and produce
# G_ZIP1 or G_ZIP2 where appropriate.
#
# RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-lowering -verify-machineinstrs %s -o - | FileCheck %s
...
---
name: zip1_v2s32
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $d0, $d1
; CHECK-LABEL: name: zip1_v2s32
; CHECK: liveins: $d0, $d1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $d1
; CHECK-NEXT: [[ZIP1_:%[0-9]+]]:_(<2 x s32>) = G_ZIP1 [[COPY]], [[COPY1]]
; CHECK-NEXT: $d0 = COPY [[ZIP1_]](<2 x s32>)
; CHECK-NEXT: RET_ReallyLR implicit $d0
%0:_(<2 x s32>) = COPY $d0
%1:_(<2 x s32>) = COPY $d1
%2:_(<2 x s32>) = G_SHUFFLE_VECTOR %0(<2 x s32>), %1, shufflemask(0, 2)
$d0 = COPY %2(<2 x s32>)
RET_ReallyLR implicit $d0
...
---
name: zip1_v2s64
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $q0, $q1
; CHECK-LABEL: name: zip1_v2s64
; CHECK: liveins: $q0, $q1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1
; CHECK-NEXT: [[ZIP1_:%[0-9]+]]:_(<2 x s64>) = G_ZIP1 [[COPY]], [[COPY1]]
; CHECK-NEXT: $q0 = COPY [[ZIP1_]](<2 x s64>)
; CHECK-NEXT: RET_ReallyLR implicit $q0
%0:_(<2 x s64>) = COPY $q0
%1:_(<2 x s64>) = COPY $q1
%2:_(<2 x s64>) = G_SHUFFLE_VECTOR %0(<2 x s64>), %1, shufflemask(0, 2)
$q0 = COPY %2(<2 x s64>)
RET_ReallyLR implicit $q0
...
---
name: zip1_v4s32
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $q0, $q1
; CHECK-LABEL: name: zip1_v4s32
; CHECK: liveins: $q0, $q1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $q1
; CHECK-NEXT: [[ZIP1_:%[0-9]+]]:_(<4 x s32>) = G_ZIP1 [[COPY]], [[COPY1]]
; CHECK-NEXT: $q0 = COPY [[ZIP1_]](<4 x s32>)
; CHECK-NEXT: RET_ReallyLR implicit $q0
%0:_(<4 x s32>) = COPY $q0
%1:_(<4 x s32>) = COPY $q1
%2:_(<4 x s32>) = G_SHUFFLE_VECTOR %0(<4 x s32>), %1, shufflemask(0, 4, 1, 5)
$q0 = COPY %2(<4 x s32>)
RET_ReallyLR implicit $q0
...
---
name: zip2_v2s32
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $d0, $d1
; CHECK-LABEL: name: zip2_v2s32
; CHECK: liveins: $d0, $d1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $d1
; CHECK-NEXT: [[ZIP2_:%[0-9]+]]:_(<2 x s32>) = G_ZIP2 [[COPY]], [[COPY1]]
; CHECK-NEXT: $d0 = COPY [[ZIP2_]](<2 x s32>)
; CHECK-NEXT: RET_ReallyLR implicit $d0
%0:_(<2 x s32>) = COPY $d0
%1:_(<2 x s32>) = COPY $d1
%2:_(<2 x s32>) = G_SHUFFLE_VECTOR %0(<2 x s32>), %1, shufflemask(1, 3)
$d0 = COPY %2(<2 x s32>)
RET_ReallyLR implicit $d0
...
---
name: zip2_v2s64
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $q0, $q1
; CHECK-LABEL: name: zip2_v2s64
; CHECK: liveins: $q0, $q1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1
; CHECK-NEXT: [[ZIP2_:%[0-9]+]]:_(<2 x s64>) = G_ZIP2 [[COPY]], [[COPY1]]
; CHECK-NEXT: $q0 = COPY [[ZIP2_]](<2 x s64>)
; CHECK-NEXT: RET_ReallyLR implicit $q0
%0:_(<2 x s64>) = COPY $q0
%1:_(<2 x s64>) = COPY $q1
%2:_(<2 x s64>) = G_SHUFFLE_VECTOR %0(<2 x s64>), %1, shufflemask(1, 3)
$q0 = COPY %2(<2 x s64>)
RET_ReallyLR implicit $q0
...
---
name: zip2_v4s32
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $q0, $q1
; CHECK-LABEL: name: zip2_v4s32
; CHECK: liveins: $q0, $q1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $q1
; CHECK-NEXT: [[ZIP2_:%[0-9]+]]:_(<4 x s32>) = G_ZIP2 [[COPY]], [[COPY1]]
; CHECK-NEXT: $q0 = COPY [[ZIP2_]](<4 x s32>)
; CHECK-NEXT: RET_ReallyLR implicit $q0
%0:_(<4 x s32>) = COPY $q0
%1:_(<4 x s32>) = COPY $q1
%2:_(<4 x s32>) = G_SHUFFLE_VECTOR %0(<4 x s32>), %1, shufflemask(2, 6, 3, 7)
$q0 = COPY %2(<4 x s32>)
RET_ReallyLR implicit $q0
...
---
name: zip2_no_combine_idx_mismatch
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $q0, $q1
; This will fail because it expects 3 to be the second element of the
; shuffle vector mask.
;
; CHECK-LABEL: name: zip2_no_combine_idx_mismatch
; CHECK: liveins: $q0, $q1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
; CHECK-NEXT: [[EXT:%[0-9]+]]:_(<2 x s64>) = G_EXT [[COPY]], [[COPY1]], [[C]](s32)
; CHECK-NEXT: $q0 = COPY [[EXT]](<2 x s64>)
; CHECK-NEXT: RET_ReallyLR implicit $q0
%0:_(<2 x s64>) = COPY $q0
%1:_(<2 x s64>) = COPY $q1
%2:_(<2 x s64>) = G_SHUFFLE_VECTOR %0(<2 x s64>), %1, shufflemask(1, 2)
$q0 = COPY %2(<2 x s64>)
RET_ReallyLR implicit $q0
...
---
name: zip1_no_combine_idx_mismatch
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $q0, $q1
; This will fail because it expects 2 to be the second element of the
; shuffle vector mask.
;
; CHECK-LABEL: name: zip1_no_combine_idx_mismatch
; CHECK: liveins: $q0, $q1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY [[COPY]](<2 x s64>)
; CHECK-NEXT: $q0 = COPY [[COPY1]](<2 x s64>)
; CHECK-NEXT: RET_ReallyLR implicit $q0
%0:_(<2 x s64>) = COPY $q0
%1:_(<2 x s64>) = COPY $q1
%2:_(<2 x s64>) = G_SHUFFLE_VECTOR %0(<2 x s64>), %1, shufflemask(0, 1)
$q0 = COPY %2(<2 x s64>)
RET_ReallyLR implicit $q0
...
---
name: no_combine_first_elt_of_mask_must_be_zero_or_one
alignment: 4
legalized: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $q0, $q1
; zip1/zip2 must have 0 or 1 as the first element in the shuffle mask.
;
; CHECK-LABEL: name: no_combine_first_elt_of_mask_must_be_zero_or_one
; CHECK: liveins: $q0, $q1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $q1
; CHECK-NEXT: [[SHUF:%[0-9]+]]:_(<4 x s32>) = G_SHUFFLE_VECTOR [[COPY]](<4 x s32>), [[COPY1]], shufflemask(3, 4, 1, 5)
; CHECK-NEXT: $q0 = COPY [[SHUF]](<4 x s32>)
; CHECK-NEXT: RET_ReallyLR implicit $q0
%0:_(<4 x s32>) = COPY $q0
%1:_(<4 x s32>) = COPY $q1
%2:_(<4 x s32>) = G_SHUFFLE_VECTOR %0(<4 x s32>), %1, shufflemask(3, 4, 1, 5)
$q0 = COPY %2(<4 x s32>)
RET_ReallyLR implicit $q0
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