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1# REQUIRES: asserts2# RUN: llc -mtriple=aarch64-linux-gnu -run-pass=machine-outliner \3# RUN: -machine-outliner-reruns=0 -verify-machineinstrs %s -o - | FileCheck --check-prefix=ITER1 %s4 5# RUN: llc -mtriple=aarch64-linux-gnu -run-pass=machine-outliner \6# RUN: -machine-outliner-reruns=1 -verify-machineinstrs %s -o - | FileCheck --check-prefix=ITER2 %s7 8# RUN: llc -mtriple=aarch64-linux-gnu -run-pass=machine-outliner \9# RUN: -machine-outliner-reruns=2 -debug-only=machine-outliner \10# RUN: -verify-machineinstrs %s -o /dev/null 2>&1 | FileCheck --check-prefix=ITER3 %s11 12--- |13 declare void @z1(i32, i32)14 declare void @z2(i32, i32, i32)15 define void @a(i32 %p1) { unreachable }16 define void @b(i32 %p1) { unreachable }17...18---19#ITER1-LABEL: name: a20#ITER1: $w19 = ORRWrs $wzr, killed $w0, 021#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}22#ITER1-NEXT: $w1 = ORRWri $wzr, 123#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}24#ITER1-NEXT: $w1 = ORRWri $wzr, 198425#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}26#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}27 28#ITER2-LABEL: name: a29#ITER2: $w19 = ORRWrs $wzr, killed $w0, 030#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}31#ITER2-NEXT: $w1 = ORRWri $wzr, 132#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}33#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}34#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}35name: a36tracksRegLiveness: true37liveins:38 - { reg: '$w0', virtual-reg: '' }39machineFunctionInfo:40 hasRedZone: false41body: |42 bb.0:43 liveins: $w0, $lr, $x1944 45 early-clobber $sp = frame-setup STPXpre killed $x19, killed $lr, $sp, -2 :: (store (s64)), (store (s64))46 $w19 = ORRWrs $wzr, killed $w0, 047 $w0 = ORRWri $wzr, 048 $w1 = ORRWri $wzr, 149 BL @z1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit-def $sp50 $w1 = ORRWri $wzr, 151 $w2 = ORRWri $wzr, 192052 $w0 = ORRWrs $wzr, $w19, 053 BL @z2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit-def $sp54 $w1 = ORRWri $wzr, 198455 $w2 = ORRWri $wzr, 192056 $w0 = ORRWrs $wzr, killed $w19, 057 BL @z2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit-def $sp58 $w0 = ORRWri $wzr, 059 $w1 = ORRWri $wzr, 160 BL @z1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit-def $sp61 early-clobber $sp, $x19, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64)), (load (s64))62 RET undef $lr63 64...65---66#ITER1-LABEL: name: b67#ITER1: $w19 = ORRWrs $wzr, killed $w0, 068#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}69#ITER1-NEXT: $w1 = ORRWri $wzr, 198470#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}71#ITER1-NEXT: $w1 = ORRWri $wzr, 198472#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}73#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}74 75#ITER2-LABEL: name: b76#ITER2: $w19 = ORRWrs $wzr, killed $w0, 077#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}78#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}79#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}80#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}81name: b82tracksRegLiveness: true83liveins:84 - { reg: '$w0', virtual-reg: '' }85machineFunctionInfo:86 hasRedZone: false87body: |88 bb.0:89 liveins: $w0, $lr, $x1990 91 early-clobber $sp = frame-setup STPXpre killed $x19, killed $lr, $sp, -2 :: (store (s64)), (store (s64))92 $w19 = ORRWrs $wzr, killed $w0, 093 $w0 = ORRWri $wzr, 094 $w1 = ORRWri $wzr, 195 BL @z1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit-def $sp96 $w1 = ORRWri $wzr, 198497 $w2 = ORRWri $wzr, 192098 $w0 = ORRWrs $wzr, $w19, 099 BL @z2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit-def $sp100 $w1 = ORRWri $wzr, 1984101 $w2 = ORRWri $wzr, 1920102 $w0 = ORRWrs $wzr, killed $w19, 0103 BL @z2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit-def $sp104 $w0 = ORRWri $wzr, 0105 $w1 = ORRWri $wzr, 1106 BL @z1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit-def $sp107 early-clobber $sp, $x19, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64)), (load (s64))108 RET undef $lr109...110 111#ITER1-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}112#ITER1-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}113 114#ITER2-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}115#ITER2-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}116#ITER2-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}117 118# ITER3: Did not outline on iteration 3 out of 3119