# RUN: llc -mtriple=aarch64--- -run-pass=prologepilog -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s --- | define void @baz() #0 { ret void } define void @bar(i32 %a) #0 { ret void } attributes #0 = { noredzone } ... --- name: bar tracksRegLiveness: true body: | bb.0: liveins: $w0, $lr, $w8 $sp = frame-setup SUBXri $sp, 32, 0 $fp = frame-setup ADDXri $sp, 16, 0 bb.1: BL @baz, implicit-def dead $lr, implicit $sp $w17 = ORRWri $wzr, 1 $w17 = ORRWri $wzr, 1 $w0 = ORRWri $wzr, 4 BL @baz, implicit-def dead $lr, implicit $sp $w17 = ORRWri $wzr, 1 $w17 = ORRWri $wzr, 1 $w0 = ORRWri $wzr, 3 BL @baz, implicit-def dead $lr, implicit $sp $w17 = ORRWri $wzr, 1 $w17 = ORRWri $wzr, 1 $w0 = ORRWri $wzr, 2 BL @baz, implicit-def dead $lr, implicit $sp $w17 = ORRWri $wzr, 1 $w17 = ORRWri $wzr, 1 $w0 = ORRWri $wzr, 1 bb.2: $fp, $lr = LDPXi $sp, 2 RET undef $lr ... --- name: baz tracksRegLiveness: true body: | bb.0: liveins: $w0, $lr, $w8 RET undef $lr # CHECK: name: OUTLINED_FUNCTION_0 # CHECK-DAG: bb.0: # CHECK-DAG: frame-setup CFI_INSTRUCTION def_cfa_offset -16 # CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $w30, 16 # CHECK-NEXT: early-clobber $sp = STRXpre $lr, $sp, -16 # CHECK-NEXT: BL @baz, implicit-def dead $lr, implicit $sp # CHECK-NEXT: $w17 = ORRWri $wzr, 1 # CHECK-NEXT: $w17 = ORRWri $wzr, 1 # CHECK-NEXT: early-clobber $sp, $lr = LDRXpost $sp, 16 # CHECK-NEXT: RET undef $lr