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1# RUN: llc -run-pass=aarch64-expand-pseudo -mtriple=arm64-apple-ios -o - -emit-call-site-info %s -verify-machineinstrs | FileCheck %s2 3--- |4 define void @test_1_callsite_info() {5 ret void6 }7 8 define void @test_bl_pass_x0_arg() {9 ret void10 }11 12 define void @test_bl_pass_x0_x1_x2_args() {13 ret void14 }15 16 define void @test_bl_pass_w0_w1_args() {17 ret void18 }19 20 define void @test_blr_pass_w0_w1_args() {21 ret void22 }23 24 define void @foo(i32 %a) {25 ret void26 }27 28 define void @test_blr_undef_arg_in_x0() {29 ret void30 }31 32 define void @test_no_nop() {33 ret void34 }35 36 declare ptr @attachedcall()37 38 declare ptr @objc_retainAutoreleasedReturnValue()39...40---41 42# CHECK-LABEL: : test_1_callsite_info43# CHECK: bb.0:44# CHECK-NEXT: liveins:45# CHECK-NEXT: {{ $}}46# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $sp, implicit-def dead $x0, implicit-def $fp, implicit $x0, implicit $sp, implicit $xzr, implicit $fp {47# CHECK-NEXT: BLR $x0, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x048# CHECK-NEXT: ORRXrs $xzr, $fp, 049# CHECK-NEXT: BL @attachedcall, implicit-def $lr, implicit internal $sp50# CHECK-NEXT: }51# CHECK-NEXT: RET undef $lr, implicit killed $w052#53name: test_1_callsite_info54callSites:55 - {bb: 0, offset: 0, fwdArgRegs:56 - { arg: 0, reg: '$x0' } }57body: |58 bb.0:59 liveins: $lr, $x060 61 BLR_RVMARKER @attachedcall, 1, $x0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x062 RET_ReallyLR implicit killed $w063...64 65# CHECK-LABEL: : test_bl_pass_x0_arg66# CHECK: bb.0:67# CHECK-NEXT: liveins:68# CHECK-NEXT: {{ $}}69# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $sp, implicit-def dead $x0, implicit-def $fp, implicit $sp, implicit $x0, implicit $xzr, implicit $fp {70# CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x071# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 072# CHECK-NEXT: BL @attachedcall, implicit-def $lr, implicit internal $sp73# CHECK-NEXT: }74# CHECK-NEXT: RET undef $lr, implicit killed $w075#76name: test_bl_pass_x0_arg77body: |78 bb.0:79 liveins: $lr, $x080 81 BLR_RVMARKER @attachedcall, 1, @foo, $x0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x082 RET_ReallyLR implicit killed $w083...84 85# CHECK-LABEL: : test_bl_pass_x0_x1_x2_args86# CHECK: bb.0:87# CHECK-NEXT: liveins:88# CHECK-NEXT: {{ $}}89# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $sp, implicit-def $x0, implicit-def $fp, implicit $sp, implicit $x0, implicit $x1, implicit $x2, implicit $xzr, implicit $fp {90# CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0, implicit $x1, implicit $x2, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $x091# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 092# CHECK-NEXT: BL @attachedcall, implicit-def $lr, implicit internal $sp93# CHECK-NEXT: }94# CHECK-NEXT: RET undef $lr95#96name: test_bl_pass_x0_x1_x2_args97body: |98 bb.0:99 liveins: $lr, $x0, $x1, $x2100 101 BLR_RVMARKER @attachedcall, 1, @foo, $x0, $x1, $x2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $x0102 RET_ReallyLR103...104 105# CHECK-LABEL: : test_bl_pass_w0_w1_args106# CHECK: bb.0:107# CHECK-NEXT: liveins:108# CHECK-NEXT: {{ $}}109# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $sp, implicit-def dead $x0, implicit-def $fp, implicit $sp, implicit $w0, implicit $w1, implicit $xzr, implicit $fp {110# CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $w0, implicit $w1, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0111# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 0112# CHECK-NEXT: BL @attachedcall, implicit-def $lr, implicit internal $sp113# CHECK-NEXT: }114# CHECK-NEXT: RET undef $lr, implicit killed $w0115#116name: test_bl_pass_w0_w1_args117body: |118 bb.0:119 liveins: $lr, $w0, $w1120 121 BLR_RVMARKER @attachedcall, 1, @foo, $w0, $w1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0122 RET_ReallyLR implicit killed $w0123...124 125 126# CHECK-LABEL: : test_blr_pass_w0_w1_args127# CHECK: bb.0:128# CHECK-NEXT: liveins:129# CHECK-NEXT: {{ $}}130# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $sp, implicit-def dead $x0, implicit-def $fp, implicit $x8, implicit $sp, implicit $w0, implicit $w1, implicit $xzr, implicit $fp {131# CHECK-NEXT: BLR $x8, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $w0, implicit $w1, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0132# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 0133# CHECK-NEXT: BL @attachedcall, implicit-def $lr, implicit internal $sp134# CHECK-NEXT: }135# CHECK-NEXT: RET undef $lr, implicit killed $w0136#137name: test_blr_pass_w0_w1_args138body: |139 bb.0:140 liveins: $lr, $x8, $w0, $w1141 142 BLR_RVMARKER @attachedcall, 1, $x8, $w0, $w1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0143 RET_ReallyLR implicit killed $w0144...145 146# Test for https://github.com/llvm/llvm-project/issues/68005.147#148# CHECK-LABEL: : test_blr_undef_arg_in_x0149# CHECK: bb.0:150# CHECK-NEXT: liveins:151# CHECK-NEXT: {{ $}}152# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $sp, implicit-def dead $x0, implicit-def $fp, implicit $sp, implicit undef $x0, implicit $xzr, implicit $fp {153# CHECK-NEXT: BL @foo, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit undef $x0, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0154# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 0155# CHECK-NEXT: BL @objc_retainAutoreleasedReturnValue, implicit-def $lr, implicit internal $sp156# CHECK-NEXT: }157# CHECK-NEXT: RET undef $lr158#159name: test_blr_undef_arg_in_x0160tracksRegLiveness: true161body: |162 bb.0:163 liveins: $lr164 165 BLR_RVMARKER @objc_retainAutoreleasedReturnValue, 1, @foo, undef $x0, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0166 RET_ReallyLR167...168 169# CHECK-LABEL: : test_no_nop170# CHECK: bb.0:171# CHECK-NEXT: liveins:172# CHECK-NEXT: {{ $}}173# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $sp, implicit-def dead $x0, implicit $x0, implicit $sp {174# CHECK-NEXT: BLR $x0, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0175# CHECK-NEXT: BL @attachedcall, implicit-def $lr, implicit internal $sp176# CHECK-NEXT: }177# CHECK-NEXT: RET undef $lr, implicit killed $w0178#179name: test_no_nop180callSites:181 - {bb: 0, offset: 0, fwdArgRegs:182 - { arg: 0, reg: '$x0' } }183body: |184 bb.0:185 liveins: $lr, $x0186 187 BLR_RVMARKER @attachedcall, 0, $x0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0188 RET_ReallyLR implicit killed $w0189...190