# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4 # RUN: llc %s --start-before=shrink-wrap --stop-after=prologepilog -o - | FileCheck %s --- | target triple = "aarch64-linux" define void @f(i32 %n) #0 { entry: %a = alloca i8, i32 150000, align 8 %c0 = icmp sle i32 %n, 1 br i1 %c0, label %if.then1, label %exit if.then1: ; preds = %entry %0 = icmp sle i32 %n, 1 %v = select i1 %0, i32 0, i32 1 call void @g(ptr %a, i32 %v) br label %exit exit: ; preds = %if.then1, %entry ret void } declare void @g(...) attributes #0 = { nounwind "probe-stack"="inline-asm" "stack-probe-size"="4096" } ... --- name: f alignment: 4 tracksRegLiveness: true liveins: - { reg: '$w0', virtual-reg: '' } frameInfo: adjustsStack: true localFrameSize: 150000 stack: - { id: 0, name: a, type: default, offset: 0, size: 150000, alignment: 8, stack-id: default, callee-saved-register: '', callee-saved-restored: true, local-offset: -150000, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } entry_values: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: f ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: liveins: $w0, $lr ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.2), (store (s64) into %stack.1) ; CHECK-NEXT: $x9 = frame-setup SUBXri $sp, 36, 12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.entry: ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000) ; CHECK-NEXT: liveins: $w0, $x9 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 1, 12 ; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0 ; CHECK-NEXT: $xzr = frame-setup SUBSXrx64 $sp, $x9, 24, implicit-def $nzcv ; CHECK-NEXT: frame-setup Bcc 1, %bb.3, implicit $nzcv ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4.entry: ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) ; CHECK-NEXT: liveins: $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 2544, 0 ; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0 ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 12, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.if.then1: ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: liveins: $nzcv ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $w1 = CSINCWr $wzr, $wzr, 13, implicit killed $nzcv ; CHECK-NEXT: $x0 = ADDXri $sp, 0, 0 ; CHECK-NEXT: BL @g, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit $w1, implicit-def $sp ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.exit: ; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 36, 12 ; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 2544, 0 ; CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1) ; CHECK-NEXT: RET_ReallyLR bb.0.entry: successors: %bb.1(0x40000000), %bb.2(0x40000000) liveins: $w0 dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv Bcc 12, %bb.2, implicit $nzcv B %bb.1 bb.1.if.then1: successors: %bb.2(0x80000000) liveins: $nzcv renamable $w1 = CSINCWr $wzr, $wzr, 13, implicit killed $nzcv ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $x0 = ADDXri %stack.0.a, 0, 0 BL @g, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit $w1, implicit-def $sp ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp bb.2.exit: RET_ReallyLR ...