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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -run-pass=regallocfast,prologepilog -simplify-mir -o - %s | FileCheck %s3 4# This test checks that the MIRParser correctly clobbers the registers5# that are not preserved by the unwinder (when the MIR contains an EH pad).6--- |7 ; ModuleID = '<stdin>'8 source_filename = "<stdin>"9 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"10 target triple = "aarch64-unknown-linux-gnu"11 12 define aarch64_vector_pcs <4 x i32> @invoke_callee_may_throw_neon(<4 x i32> %v) personality i8 0 {13 %result = invoke aarch64_vector_pcs <4 x i32> @may_throw_neon(<4 x i32> %v)14 to label %.Lcontinue unwind label %.Lunwind15 16 .Lcontinue: ; preds = %017 ret <4 x i32> %result18 19 .Lunwind: ; preds = %020 %lp = landingpad { ptr, i32 }21 cleanup22 ret <4 x i32> %v23 }24 25 declare aarch64_vector_pcs <4 x i32> @may_throw_neon(<4 x i32>)26 27...28---29name: invoke_callee_may_throw_neon30alignment: 431legalized: true32regBankSelected: true33selected: true34tracksRegLiveness: true35registers:36 - { id: 0, class: fpr128 }37 - { id: 1, class: fpr128 }38 - { id: 2, class: _ }39 - { id: 3, class: _ }40 - { id: 4, class: _ }41 - { id: 5, class: _ }42liveins:43 - { reg: '$q0' }44frameInfo:45 maxAlignment: 146 adjustsStack: true47 hasCalls: true48 maxCallFrameSize: 049machineFunctionInfo: {}50body: |51 ; CHECK-LABEL: name: invoke_callee_may_throw_neon52 ; CHECK: bb.0 (%ir-block.0):53 ; CHECK: successors: %bb.1, %bb.254 ; CHECK: liveins: $q0, $q22, $q23, $q20, $q21, $q18, $q19, $q16, $q17, $q14, $q15, $q12, $q13, $q10, $q11, $q8, $q9, $lr, $fp55 ; CHECK: $sp = frame-setup SUBXri $sp, 304, 056 ; CHECK: frame-setup STPQi killed $q23, killed $q22, $sp, 2 :: (store (s128) into %stack.19), (store (s128) into %stack.18)57 ; CHECK: frame-setup STPQi killed $q21, killed $q20, $sp, 4 :: (store (s128) into %stack.17), (store (s128) into %stack.16)58 ; CHECK: frame-setup STPQi killed $q19, killed $q18, $sp, 6 :: (store (s128) into %stack.15), (store (s128) into %stack.14)59 ; CHECK: frame-setup STPQi killed $q17, killed $q16, $sp, 8 :: (store (s128) into %stack.13), (store (s128) into %stack.12)60 ; CHECK: frame-setup STPQi killed $q15, killed $q14, $sp, 10 :: (store (s128) into %stack.11), (store (s128) into %stack.10)61 ; CHECK: frame-setup STPQi killed $q13, killed $q12, $sp, 12 :: (store (s128) into %stack.9), (store (s128) into %stack.8)62 ; CHECK: frame-setup STPQi killed $q11, killed $q10, $sp, 14 :: (store (s128) into %stack.7), (store (s128) into %stack.6)63 ; CHECK: frame-setup STPQi killed $q9, killed $q8, $sp, 16 :: (store (s128) into %stack.5), (store (s128) into %stack.4)64 ; CHECK: frame-setup STPXi killed $fp, killed $lr, $sp, 36 :: (store (s64) into %stack.3), (store (s64) into %stack.2)65 ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 30466 ; CHECK: frame-setup CFI_INSTRUCTION offset $w30, -867 ; CHECK: frame-setup CFI_INSTRUCTION offset $w29, -1668 ; CHECK: frame-setup CFI_INSTRUCTION offset $b8, -3269 ; CHECK: frame-setup CFI_INSTRUCTION offset $b9, -4870 ; CHECK: frame-setup CFI_INSTRUCTION offset $b10, -6471 ; CHECK: frame-setup CFI_INSTRUCTION offset $b11, -8072 ; CHECK: frame-setup CFI_INSTRUCTION offset $b12, -9673 ; CHECK: frame-setup CFI_INSTRUCTION offset $b13, -11274 ; CHECK: frame-setup CFI_INSTRUCTION offset $b14, -12875 ; CHECK: frame-setup CFI_INSTRUCTION offset $b15, -14476 ; CHECK: frame-setup CFI_INSTRUCTION offset $b16, -16077 ; CHECK: frame-setup CFI_INSTRUCTION offset $b17, -17678 ; CHECK: frame-setup CFI_INSTRUCTION offset $b18, -19279 ; CHECK: frame-setup CFI_INSTRUCTION offset $b19, -20880 ; CHECK: frame-setup CFI_INSTRUCTION offset $b20, -22481 ; CHECK: frame-setup CFI_INSTRUCTION offset $b21, -24082 ; CHECK: frame-setup CFI_INSTRUCTION offset $b22, -25683 ; CHECK: frame-setup CFI_INSTRUCTION offset $b23, -27284 ; CHECK: STRQui $q0, $sp, 0 :: (store (s128) into %stack.1)85 ; CHECK: EH_LABEL <mcsymbol .Ltmp0>86 ; CHECK: BL @may_throw_neon, csr_aarch64_aavpcs, implicit-def dead $lr, implicit $sp, implicit killed $q0, implicit-def $q087 ; CHECK: STRQui killed $q0, $sp, 1 :: (store (s128) into %stack.0)88 ; CHECK: EH_LABEL <mcsymbol .Ltmp1>89 ; CHECK: B %bb.190 ; CHECK: bb.1..Lcontinue:91 ; CHECK: $q0 = LDRQui $sp, 1 :: (load (s128) from %stack.0)92 ; CHECK: $fp, $lr = frame-destroy LDPXi $sp, 36 :: (load (s64) from %stack.3), (load (s64) from %stack.2)93 ; CHECK: $q9, $q8 = frame-destroy LDPQi $sp, 16 :: (load (s128) from %stack.5), (load (s128) from %stack.4)94 ; CHECK: $q11, $q10 = frame-destroy LDPQi $sp, 14 :: (load (s128) from %stack.7), (load (s128) from %stack.6)95 ; CHECK: $q13, $q12 = frame-destroy LDPQi $sp, 12 :: (load (s128) from %stack.9), (load (s128) from %stack.8)96 ; CHECK: $q15, $q14 = frame-destroy LDPQi $sp, 10 :: (load (s128) from %stack.11), (load (s128) from %stack.10)97 ; CHECK: $q17, $q16 = frame-destroy LDPQi $sp, 8 :: (load (s128) from %stack.13), (load (s128) from %stack.12)98 ; CHECK: $q19, $q18 = frame-destroy LDPQi $sp, 6 :: (load (s128) from %stack.15), (load (s128) from %stack.14)99 ; CHECK: $q21, $q20 = frame-destroy LDPQi $sp, 4 :: (load (s128) from %stack.17), (load (s128) from %stack.16)100 ; CHECK: $q23, $q22 = frame-destroy LDPQi $sp, 2 :: (load (s128) from %stack.19), (load (s128) from %stack.18)101 ; CHECK: $sp = frame-destroy ADDXri $sp, 304, 0102 ; CHECK: RET_ReallyLR implicit killed $q0103 ; CHECK: bb.2..Lunwind (landing-pad):104 ; CHECK: liveins: $x0, $x1105 ; CHECK: EH_LABEL <mcsymbol .Ltmp2>106 ; CHECK: $q0 = LDRQui $sp, 0 :: (load (s128) from %stack.1)107 ; CHECK: $fp, $lr = frame-destroy LDPXi $sp, 36 :: (load (s64) from %stack.3), (load (s64) from %stack.2)108 ; CHECK: $q9, $q8 = frame-destroy LDPQi $sp, 16 :: (load (s128) from %stack.5), (load (s128) from %stack.4)109 ; CHECK: $q11, $q10 = frame-destroy LDPQi $sp, 14 :: (load (s128) from %stack.7), (load (s128) from %stack.6)110 ; CHECK: $q13, $q12 = frame-destroy LDPQi $sp, 12 :: (load (s128) from %stack.9), (load (s128) from %stack.8)111 ; CHECK: $q15, $q14 = frame-destroy LDPQi $sp, 10 :: (load (s128) from %stack.11), (load (s128) from %stack.10)112 ; CHECK: $q17, $q16 = frame-destroy LDPQi $sp, 8 :: (load (s128) from %stack.13), (load (s128) from %stack.12)113 ; CHECK: $q19, $q18 = frame-destroy LDPQi $sp, 6 :: (load (s128) from %stack.15), (load (s128) from %stack.14)114 ; CHECK: $q21, $q20 = frame-destroy LDPQi $sp, 4 :: (load (s128) from %stack.17), (load (s128) from %stack.16)115 ; CHECK: $q23, $q22 = frame-destroy LDPQi $sp, 2 :: (load (s128) from %stack.19), (load (s128) from %stack.18)116 ; CHECK: $sp = frame-destroy ADDXri $sp, 304, 0117 ; CHECK: RET_ReallyLR implicit killed $q0118 bb.0 (%ir-block.0):119 successors: %bb.1, %bb.2120 liveins: $q0121 122 %0:fpr128 = COPY $q0123 EH_LABEL <mcsymbol .Ltmp0>124 ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp125 $q0 = COPY %0126 BL @may_throw_neon, csr_aarch64_aavpcs, implicit-def $lr, implicit $sp, implicit $q0, implicit-def $q0127 %1:fpr128 = COPY $q0128 ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp129 EH_LABEL <mcsymbol .Ltmp1>130 B %bb.1131 132 bb.1..Lcontinue:133 $q0 = COPY %1134 RET_ReallyLR implicit $q0135 136 bb.2..Lunwind (landing-pad):137 liveins: $x0, $x1138 139 EH_LABEL <mcsymbol .Ltmp2>140 $q0 = COPY %0141 RET_ReallyLR implicit $q0142 143...144