# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=regallocfast,prologepilog -simplify-mir -o - %s | FileCheck %s
# This test checks that the MIRParser correctly clobbers the registers
# that are not preserved by the unwinder (when the MIR contains an EH pad).
--- |
; 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-unknown-linux-gnu"
define aarch64_vector_pcs <4 x i32> @invoke_callee_may_throw_neon(<4 x i32> %v) personality i8 0 {
%result = invoke aarch64_vector_pcs <4 x i32> @may_throw_neon(<4 x i32> %v)
to label %.Lcontinue unwind label %.Lunwind
.Lcontinue: ; preds = %0
ret <4 x i32> %result
.Lunwind: ; preds = %0
%lp = landingpad { i8*, i32 }
cleanup
ret <4 x i32> %v
}
declare aarch64_vector_pcs <4 x i32> @may_throw_neon(<4 x i32>)
...
---
name: invoke_callee_may_throw_neon
alignment: 4
legalized: true
regBankSelected: true
selected: true
tracksRegLiveness: true
registers:
- { id: 0, class: fpr128 }
- { id: 1, class: fpr128 }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
liveins:
- { reg: '$q0' }
frameInfo:
maxAlignment: 1
adjustsStack: true
hasCalls: true
maxCallFrameSize: 0
machineFunctionInfo: {}
body: |
; CHECK-LABEL: name: invoke_callee_may_throw_neon
; CHECK: bb.0 (%ir-block.0):
; CHECK: successors: %bb.1, %bb.2
; CHECK: liveins: $q0, $q22, $q23, $q20, $q21, $q18, $q19, $q16, $q17, $q14, $q15, $q12, $q13, $q10, $q11, $q8, $q9, $lr, $fp
; CHECK: $sp = frame-setup SUBXri $sp, 304, 0
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 304
; CHECK: frame-setup STPQi killed $q23, killed $q22, $sp, 2 :: (store (s128) into %stack.19), (store (s128) into %stack.18)
; CHECK: frame-setup STPQi killed $q21, killed $q20, $sp, 4 :: (store (s128) into %stack.17), (store (s128) into %stack.16)
; CHECK: frame-setup STPQi killed $q19, killed $q18, $sp, 6 :: (store (s128) into %stack.15), (store (s128) into %stack.14)
; CHECK: frame-setup STPQi killed $q17, killed $q16, $sp, 8 :: (store (s128) into %stack.13), (store (s128) into %stack.12)
; CHECK: frame-setup STPQi killed $q15, killed $q14, $sp, 10 :: (store (s128) into %stack.11), (store (s128) into %stack.10)
; CHECK: frame-setup STPQi killed $q13, killed $q12, $sp, 12 :: (store (s128) into %stack.9), (store (s128) into %stack.8)
; CHECK: frame-setup STPQi killed $q11, killed $q10, $sp, 14 :: (store (s128) into %stack.7), (store (s128) into %stack.6)
; CHECK: frame-setup STPQi killed $q9, killed $q8, $sp, 16 :: (store (s128) into %stack.5), (store (s128) into %stack.4)
; CHECK: frame-setup STPXi killed $fp, killed $lr, $sp, 36 :: (store (s64) into %stack.3), (store (s64) into %stack.2)
; CHECK: frame-setup CFI_INSTRUCTION offset $w30, -8
; CHECK: frame-setup CFI_INSTRUCTION offset $w29, -16
; CHECK: frame-setup CFI_INSTRUCTION offset $b8, -32
; CHECK: frame-setup CFI_INSTRUCTION offset $b9, -48
; CHECK: frame-setup CFI_INSTRUCTION offset $b10, -64
; CHECK: frame-setup CFI_INSTRUCTION offset $b11, -80
; CHECK: frame-setup CFI_INSTRUCTION offset $b12, -96
; CHECK: frame-setup CFI_INSTRUCTION offset $b13, -112
; CHECK: frame-setup CFI_INSTRUCTION offset $b14, -128
; CHECK: frame-setup CFI_INSTRUCTION offset $b15, -144
; CHECK: frame-setup CFI_INSTRUCTION offset $b16, -160
; CHECK: frame-setup CFI_INSTRUCTION offset $b17, -176
; CHECK: frame-setup CFI_INSTRUCTION offset $b18, -192
; CHECK: frame-setup CFI_INSTRUCTION offset $b19, -208
; CHECK: frame-setup CFI_INSTRUCTION offset $b20, -224
; CHECK: frame-setup CFI_INSTRUCTION offset $b21, -240
; CHECK: frame-setup CFI_INSTRUCTION offset $b22, -256
; CHECK: frame-setup CFI_INSTRUCTION offset $b23, -272
; CHECK: STRQui $q0, $sp, 0 :: (store (s128) into %stack.1)
; CHECK: EH_LABEL <mcsymbol .Ltmp0>
; CHECK: BL @may_throw_neon, csr_aarch64_aavpcs, implicit-def dead $lr, implicit $sp, implicit killed $q0, implicit-def $q0
; CHECK: STRQui killed $q0, $sp, 1 :: (store (s128) into %stack.0)
; CHECK: EH_LABEL <mcsymbol .Ltmp1>
; CHECK: B %bb.1
; CHECK: bb.1..Lcontinue:
; CHECK: $q0 = LDRQui $sp, 1 :: (load (s128) from %stack.0)
; CHECK: $fp, $lr = frame-destroy LDPXi $sp, 36 :: (load (s64) from %stack.3), (load (s64) from %stack.2)
; CHECK: $q9, $q8 = frame-destroy LDPQi $sp, 16 :: (load (s128) from %stack.5), (load (s128) from %stack.4)
; CHECK: $q11, $q10 = frame-destroy LDPQi $sp, 14 :: (load (s128) from %stack.7), (load (s128) from %stack.6)
; CHECK: $q13, $q12 = frame-destroy LDPQi $sp, 12 :: (load (s128) from %stack.9), (load (s128) from %stack.8)
; CHECK: $q15, $q14 = frame-destroy LDPQi $sp, 10 :: (load (s128) from %stack.11), (load (s128) from %stack.10)
; CHECK: $q17, $q16 = frame-destroy LDPQi $sp, 8 :: (load (s128) from %stack.13), (load (s128) from %stack.12)
; CHECK: $q19, $q18 = frame-destroy LDPQi $sp, 6 :: (load (s128) from %stack.15), (load (s128) from %stack.14)
; CHECK: $q21, $q20 = frame-destroy LDPQi $sp, 4 :: (load (s128) from %stack.17), (load (s128) from %stack.16)
; CHECK: $q23, $q22 = frame-destroy LDPQi $sp, 2 :: (load (s128) from %stack.19), (load (s128) from %stack.18)
; CHECK: $sp = frame-destroy ADDXri $sp, 304, 0
; CHECK: RET_ReallyLR implicit killed $q0
; CHECK: bb.2..Lunwind (landing-pad):
; CHECK: liveins: $x0, $x1
; CHECK: EH_LABEL <mcsymbol .Ltmp2>
; CHECK: $q0 = LDRQui $sp, 0 :: (load (s128) from %stack.1)
; CHECK: $fp, $lr = frame-destroy LDPXi $sp, 36 :: (load (s64) from %stack.3), (load (s64) from %stack.2)
; CHECK: $q9, $q8 = frame-destroy LDPQi $sp, 16 :: (load (s128) from %stack.5), (load (s128) from %stack.4)
; CHECK: $q11, $q10 = frame-destroy LDPQi $sp, 14 :: (load (s128) from %stack.7), (load (s128) from %stack.6)
; CHECK: $q13, $q12 = frame-destroy LDPQi $sp, 12 :: (load (s128) from %stack.9), (load (s128) from %stack.8)
; CHECK: $q15, $q14 = frame-destroy LDPQi $sp, 10 :: (load (s128) from %stack.11), (load (s128) from %stack.10)
; CHECK: $q17, $q16 = frame-destroy LDPQi $sp, 8 :: (load (s128) from %stack.13), (load (s128) from %stack.12)
; CHECK: $q19, $q18 = frame-destroy LDPQi $sp, 6 :: (load (s128) from %stack.15), (load (s128) from %stack.14)
; CHECK: $q21, $q20 = frame-destroy LDPQi $sp, 4 :: (load (s128) from %stack.17), (load (s128) from %stack.16)
; CHECK: $q23, $q22 = frame-destroy LDPQi $sp, 2 :: (load (s128) from %stack.19), (load (s128) from %stack.18)
; CHECK: $sp = frame-destroy ADDXri $sp, 304, 0
; CHECK: RET_ReallyLR implicit killed $q0
bb.0 (%ir-block.0):
successors: %bb.1, %bb.2
liveins: $q0
%0:fpr128 = COPY $q0
EH_LABEL <mcsymbol .Ltmp0>
ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
$q0 = COPY %0
BL @may_throw_neon, csr_aarch64_aavpcs, implicit-def $lr, implicit $sp, implicit $q0, implicit-def $q0
%1:fpr128 = COPY $q0
ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
EH_LABEL <mcsymbol .Ltmp1>
B %bb.1
bb.1..Lcontinue:
$q0 = COPY %1
RET_ReallyLR implicit $q0
bb.2..Lunwind (landing-pad):
liveins: $x0, $x1
EH_LABEL <mcsymbol .Ltmp2>
$q0 = COPY %0
RET_ReallyLR implicit $q0
...