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 -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: ; preds = %entry 13 %0 = icmp sle i32 %n, 1 14 %v = select i1 %0, i32 0, i32 1 15 call void @g(ptr %a, i32 %v) 16 br label %exit 17 18 exit: ; preds = %if.then1, %entry 19 ret void 20 } 21 22 declare void @g(...) 23 24 attributes #0 = { nounwind "probe-stack"="inline-asm" "stack-probe-size"="4096" } 25 26... 27--- 28name: f 29alignment: 4 30tracksRegLiveness: true 31liveins: 32 - { reg: '$w0', virtual-reg: '' } 33frameInfo: 34 adjustsStack: true 35 localFrameSize: 150000 36stack: 37 - { id: 0, name: a, type: default, offset: 0, size: 150000, alignment: 8, 38 stack-id: default, callee-saved-register: '', callee-saved-restored: true, 39 local-offset: -150000, debug-info-variable: '', debug-info-expression: '', 40 debug-info-location: '' } 41entry_values: [] 42callSites: [] 43debugValueSubstitutions: [] 44constants: [] 45machineFunctionInfo: {} 46body: | 47 ; CHECK-LABEL: name: f 48 ; CHECK: bb.0.entry: 49 ; CHECK-NEXT: successors: %bb.3(0x80000000) 50 ; CHECK-NEXT: liveins: $w0, $lr 51 ; CHECK-NEXT: {{ $}} 52 ; CHECK-NEXT: early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.2), (store (s64) into %stack.1) 53 ; CHECK-NEXT: $x9 = frame-setup SUBXri $sp, 36, 12 54 ; CHECK-NEXT: {{ $}} 55 ; CHECK-NEXT: bb.3.entry: 56 ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000) 57 ; CHECK-NEXT: liveins: $w0, $x9 58 ; CHECK-NEXT: {{ $}} 59 ; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 1, 12 60 ; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0 61 ; CHECK-NEXT: $xzr = frame-setup SUBSXrx64 $sp, $x9, 24, implicit-def $nzcv 62 ; CHECK-NEXT: frame-setup Bcc 1, %bb.3, implicit $nzcv 63 ; CHECK-NEXT: {{ $}} 64 ; CHECK-NEXT: bb.4.entry: 65 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) 66 ; CHECK-NEXT: liveins: $w0 67 ; CHECK-NEXT: {{ $}} 68 ; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 2544, 0 69 ; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0 70 ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv 71 ; CHECK-NEXT: Bcc 12, %bb.2, implicit $nzcv 72 ; CHECK-NEXT: B %bb.1 73 ; CHECK-NEXT: {{ $}} 74 ; CHECK-NEXT: bb.1.if.then1: 75 ; CHECK-NEXT: successors: %bb.2(0x80000000) 76 ; CHECK-NEXT: liveins: $nzcv 77 ; CHECK-NEXT: {{ $}} 78 ; CHECK-NEXT: renamable $w1 = CSINCWr $wzr, $wzr, 13, implicit killed $nzcv 79 ; CHECK-NEXT: $x0 = ADDXri $sp, 0, 0 80 ; CHECK-NEXT: BL @g, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit $w1, implicit-def $sp 81 ; CHECK-NEXT: {{ $}} 82 ; CHECK-NEXT: bb.2.exit: 83 ; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 36, 12 84 ; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 2544, 0 85 ; CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1) 86 ; CHECK-NEXT: RET_ReallyLR 87 bb.0.entry: 88 successors: %bb.1(0x40000000), %bb.2(0x40000000) 89 liveins: $w0 90 91 dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv 92 Bcc 12, %bb.2, implicit $nzcv 93 B %bb.1 94 95 bb.1.if.then1: 96 successors: %bb.2(0x80000000) 97 liveins: $nzcv 98 99 renamable $w1 = CSINCWr $wzr, $wzr, 13, implicit killed $nzcv 100 ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp 101 $x0 = ADDXri %stack.0.a, 0, 0 102 BL @g, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit $w1, implicit-def $sp 103 ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp 104 105 bb.2.exit: 106 RET_ReallyLR 107 108... 109