spillfill-sve.mir
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# RUN: llc -mtriple=aarch64-linux-gnu -run-pass=greedy %s -o - | FileCheck %s
# RUN: llc -mtriple=aarch64-linux-gnu -start-before=greedy -stop-after=aarch64-expand-pseudo %s -o - | FileCheck %s --check-prefix=EXPAND
--- |
; ModuleID = '<stdin>'
source_filename = "<stdin>"
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-gnu"
define aarch64_sve_vector_pcs void @spills_fills_stack_id_ppr() #0 { entry: unreachable }
define aarch64_sve_vector_pcs void @spills_fills_stack_id_zpr() #0 { entry: unreachable }
attributes #0 = { nounwind "target-features"="+sve" }
...
---
name: spills_fills_stack_id_ppr
tracksRegLiveness: true
registers:
- { id: 0, class: ppr }
stack:
liveins:
- { reg: '$p0', virtual-reg: '%0' }
body: |
bb.0.entry:
liveins: $p0
; CHECK-LABEL: name: spills_fills_stack_id_ppr
; CHECK: stack:
; CHECK: - { id: 0, name: '', type: spill-slot, offset: 0, size: 2, alignment: 2
; CHECK-NEXT: stack-id: sve-vec, callee-saved-register: ''
; EXPAND-LABEL: name: spills_fills_stack_id_ppr
; EXPAND: STR_PXI $p0, $sp, 7
; EXPAND: $p0 = LDR_PXI $sp, 7
%0:ppr = COPY $p0
$p0 = IMPLICIT_DEF
$p1 = IMPLICIT_DEF
$p2 = IMPLICIT_DEF
$p3 = IMPLICIT_DEF
$p4 = IMPLICIT_DEF
$p5 = IMPLICIT_DEF
$p6 = IMPLICIT_DEF
$p7 = IMPLICIT_DEF
$p8 = IMPLICIT_DEF
$p9 = IMPLICIT_DEF
$p10 = IMPLICIT_DEF
$p11 = IMPLICIT_DEF
$p12 = IMPLICIT_DEF
$p13 = IMPLICIT_DEF
$p14 = IMPLICIT_DEF
$p15 = IMPLICIT_DEF
$p0 = COPY %0
RET_ReallyLR
...
---
name: spills_fills_stack_id_zpr
tracksRegLiveness: true
registers:
- { id: 0, class: zpr }
stack:
liveins:
- { reg: '$z0', virtual-reg: '%0' }
body: |
bb.0.entry:
liveins: $z0
; CHECK-LABEL: name: spills_fills_stack_id_zpr
; CHECK: stack:
; CHECK: - { id: 0, name: '', type: spill-slot, offset: 0, size: 16, alignment: 16
; CHECK-NEXT: stack-id: sve-vec, callee-saved-register: ''
; EXPAND-LABEL: name: spills_fills_stack_id_zpr
; EXPAND: STR_ZXI $z0, $sp, 0
; EXPAND: $z0 = LDR_ZXI $sp, 0
%0:zpr = COPY $z0
$z0_z1_z2_z3 = IMPLICIT_DEF
$z4_z5_z6_z7 = IMPLICIT_DEF
$z8_z9_z10_z11 = IMPLICIT_DEF
$z12_z13_z14_z15 = IMPLICIT_DEF
$z16_z17_z18_z19 = IMPLICIT_DEF
$z20_z21_z22_z23 = IMPLICIT_DEF
$z24_z25_z26_z27 = IMPLICIT_DEF
$z28_z29_z30_z31 = IMPLICIT_DEF
$z0 = COPY %0
RET_ReallyLR
...