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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-none-linux-gnu -mcpu=neoverse-n2 -run-pass machine-combiner \
# RUN: -verify-machineinstrs -o - %s | FileCheck %s
# Most machine-combiner reassociation tests are put in machine-combiner.ll.
# However, we cannot test reassociation of SVE EORs in machine-combiner.ll
# because isel combines two EORs to one EOR3. So SVE EOR-specific test is put
# in this file.
---
name: reassociate_xors_sve_1
registers:
- { id: 0, class: zpr, preferred-register: '' }
- { id: 1, class: zpr, preferred-register: '' }
- { id: 2, class: zpr, preferred-register: '' }
- { id: 3, class: zpr, preferred-register: '' }
- { id: 4, class: zpr, preferred-register: '' }
- { id: 5, class: zpr, preferred-register: '' }
- { id: 6, class: zpr, preferred-register: '' }
body: |
bb.0:
liveins: $z0, $z1, $z2, $z3
; CHECK-LABEL: name: reassociate_xors_sve_1
; CHECK: liveins: $z0, $z1, $z2, $z3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:zpr = COPY $z3
; CHECK-NEXT: [[COPY1:%[0-9]+]]:zpr = COPY $z2
; CHECK-NEXT: [[COPY2:%[0-9]+]]:zpr = COPY $z1
; CHECK-NEXT: [[COPY3:%[0-9]+]]:zpr = COPY $z0
; CHECK-NEXT: [[EOR_ZZZ:%[0-9]+]]:zpr = EOR_ZZZ [[COPY3]], [[COPY2]]
; CHECK-NEXT: [[EOR_ZZZ1:%[0-9]+]]:zpr = EOR_ZZZ [[COPY1]], [[COPY]]
; CHECK-NEXT: [[EOR_ZZZ2:%[0-9]+]]:zpr = EOR_ZZZ killed [[EOR_ZZZ]], killed [[EOR_ZZZ1]]
; CHECK-NEXT: $z0 = COPY [[EOR_ZZZ2]]
; CHECK-NEXT: RET_ReallyLR implicit $z0
%3:zpr = COPY $z3
%2:zpr = COPY $z2
%1:zpr = COPY $z1
%0:zpr = COPY $z0
%4:zpr = EOR_ZZZ %0, %1
%5:zpr = EOR_ZZZ killed %4, %2
%6:zpr = EOR_ZZZ killed %5, %3
$z0 = COPY %6
RET_ReallyLR implicit $z0
...
---
name: reassociate_xors_sve_2
registers:
- { id: 0, class: zpr, preferred-register: '' }
- { id: 1, class: zpr, preferred-register: '' }
- { id: 2, class: zpr, preferred-register: '' }
- { id: 3, class: zpr, preferred-register: '' }
- { id: 4, class: zpr, preferred-register: '' }
- { id: 5, class: zpr, preferred-register: '' }
- { id: 6, class: zpr, preferred-register: '' }
body: |
bb.0:
liveins: $z0, $z1, $z2, $z3
; CHECK-LABEL: name: reassociate_xors_sve_2
; CHECK: liveins: $z0, $z1, $z2, $z3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:zpr = COPY $z3
; CHECK-NEXT: [[COPY1:%[0-9]+]]:zpr = COPY $z2
; CHECK-NEXT: [[COPY2:%[0-9]+]]:zpr = COPY $z1
; CHECK-NEXT: [[COPY3:%[0-9]+]]:zpr = COPY $z0
; CHECK-NEXT: [[AND_ZZZ:%[0-9]+]]:zpr = AND_ZZZ [[COPY3]], [[COPY2]]
; CHECK-NEXT: [[EOR_ZZZ:%[0-9]+]]:zpr = EOR_ZZZ [[COPY1]], [[COPY]]
; CHECK-NEXT: [[EOR_ZZZ1:%[0-9]+]]:zpr = EOR_ZZZ killed [[AND_ZZZ]], killed [[EOR_ZZZ]]
; CHECK-NEXT: $z0 = COPY [[EOR_ZZZ1]]
; CHECK-NEXT: RET_ReallyLR implicit $z0
%3:zpr = COPY $z3
%2:zpr = COPY $z2
%1:zpr = COPY $z1
%0:zpr = COPY $z0
%4:zpr = AND_ZZZ %0, %1
%5:zpr = EOR_ZZZ killed %4, %2
%6:zpr = EOR_ZZZ killed %5, %3
$z0 = COPY %6
RET_ReallyLR implicit $z0
...
|
