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 3--- | 4 target triple = "aarch64-linux" 5 6 define void @f(i32 %n) #0 { 7 entry: 8 %a = alloca i8, i32 150000, align 8 9 %c0 = icmp sle i32 %n, 1 10 br i1 %c0, label %if.then1, label %exit 11 12 if.then1: 13 call void @g(ptr %a) 14 br label %exit 15 16 exit: 17 ret void 18 } 19 20 declare void @g(...) 21 22 attributes #0 = { nounwind "probe-stack"="inline-asm" "stack-probe-size"="4096" } 23 24... 25--- 26name: f 27alignment: 4 28tracksRegLiveness: true 29liveins: 30 - { reg: '$w0', virtual-reg: '' } 31frameInfo: 32 adjustsStack: true 33 localFrameSize: 150000 34stack: 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: '' } 39entry_values: [] 40callSites: [] 41debugValueSubstitutions: [] 42constants: [] 43machineFunctionInfo: {} 44body: | 45 ; CHECK-LABEL: name: f 46 ; CHECK: bb.0.entry: 47 ; CHECK-NEXT: successors: %bb.3(0x80000000) 48 ; CHECK-NEXT: liveins: $w0, $lr 49 ; CHECK-NEXT: {{ $}} 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 52 ; CHECK-NEXT: {{ $}} 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 56 ; CHECK-NEXT: {{ $}} 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 61 ; CHECK-NEXT: {{ $}} 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 65 ; CHECK-NEXT: {{ $}} 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 71 ; CHECK-NEXT: B %bb.1 72 ; CHECK-NEXT: {{ $}} 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 76 ; CHECK-NEXT: {{ $}} 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 79 ; CHECK-NEXT: {{ $}} 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 85 bb.0.entry: 86 successors: %bb.1(0x40000000), %bb.2(0x40000000) 87 liveins: $w0 88 89 $x9 = IMPLICIT_DEF 90 dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv 91 Bcc 12, %bb.2, implicit $nzcv 92 B %bb.1 93 94 bb.1.if.then1: 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 97 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 102 103 bb.2.exit: 104 RET_ReallyLR 105 106... 107