1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
2 # RUN: llc %s --start-before=shrink-wrap -stop-after=prologepilog -verify-machineinstrs -o - | FileCheck %s
4 target triple = "aarch64-linux"
6 define void @f(i32 %n) #0 {
8 %a = alloca i8, i32 150000, align 8
9 %c0 = icmp sle i32 %n, 1
10 br i1 %c0, label %if.then1, label %exit
22 attributes #0 = { nounwind "probe-stack"="inline-asm" "stack-probe-size"="4096" }
28 tracksRegLiveness: true
30 - { reg: '$w0', virtual-reg: '' }
33 localFrameSize: 150000
35 - { id: 0, name: a, type: default, offset: 0, size: 150000, alignment: 8,
36 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
37 local-offset: -150000, debug-info-variable: '', debug-info-expression: '',
38 debug-info-location: '' }
41 debugValueSubstitutions: []
43 machineFunctionInfo: {}
45 ; CHECK-LABEL: name: f
47 ; CHECK-NEXT: successors: %bb.3(0x80000000)
48 ; CHECK-NEXT: liveins: $w0, $lr
50 ; CHECK-NEXT: early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.2), (store (s64) into %stack.1)
51 ; CHECK-NEXT: $x9 = frame-setup SUBXri $sp, 36, 12
53 ; CHECK-NEXT: bb.3.entry:
54 ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000)
55 ; CHECK-NEXT: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x18, $x19, $x20, $x21, $x22, $x23, $x25, $x27, $x28
57 ; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 1, 12
58 ; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0
59 ; CHECK-NEXT: $xzr = frame-setup SUBSXrx64 $sp, $x9, 24, implicit-def $nzcv
60 ; CHECK-NEXT: frame-setup Bcc 1, %bb.3, implicit $nzcv
62 ; CHECK-NEXT: bb.4.entry:
63 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
64 ; CHECK-NEXT: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x18, $x19, $x20, $x21, $x22, $x23, $x25, $x27, $x28
66 ; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 2544, 0
67 ; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0
68 ; CHECK-NEXT: $x9 = IMPLICIT_DEF
69 ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv
70 ; CHECK-NEXT: Bcc 12, %bb.2, implicit $nzcv
73 ; CHECK-NEXT: bb.1.if.then1:
74 ; CHECK-NEXT: successors: %bb.2(0x80000000)
75 ; CHECK-NEXT: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x18, $x19, $x20, $x21, $x22, $x23, $x23, $x25, $x25, $x27, $x28
77 ; CHECK-NEXT: $x0 = ADDXri $sp, 0, 0
78 ; CHECK-NEXT: BL @g, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp
80 ; CHECK-NEXT: bb.2.exit:
81 ; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 36, 12
82 ; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 2544, 0
83 ; CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
84 ; CHECK-NEXT: RET_ReallyLR
86 successors: %bb.1(0x40000000), %bb.2(0x40000000)
90 dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv
91 Bcc 12, %bb.2, implicit $nzcv
95 successors: %bb.2(0x80000000)
96 liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x18, $x19, $x20, $x21, $x22, $x23, $x23, $x25, $x25, $x27, $x28
98 ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
99 $x0 = ADDXri %stack.0.a, 0, 0
100 BL @g, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp
101 ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp