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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -mtriple=x86_64-unknown-linux-gnu -verify-machineinstrs -O2 -run-pass=livevars,phi-node-elimination -o - %s | FileCheck %s3# RUN: llc -mtriple=x86_64-unknown-linux-gnu -O2 --passes='require<live-vars>,phi-node-elimination' -o - %s | FileCheck %s4 5# Check that the COPY from [[MOV64rm]] is not killed, because there is a6# subsequent use of [[MOV64rm]] in the INLINEASM_BR instruction which should be7# killed instead.8--- |9 ; ModuleID = '<stdin>'10 source_filename = "<stdin>"11 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"12 target triple = "x86_64-unknown-linux-gnu"13 14 declare void @foo(ptr)15 16 ; Function Attrs: nounwind17 define void @test1(ptr %arg, ptr %mem) #0 {18 entry:19 br label %loop20 21 loop: ; preds = %loop, %entry22 %a = phi ptr [ %arg, %entry ], [ %b, %loop ]23 %b = load ptr, ptr %mem, align 824 call void @foo(ptr %a)25 callbr void asm sideeffect "", "*m,!i"(ptr elementtype(i8) %b)26 to label %end [label %loop]27 28 end: ; preds = %loop29 ret void30 }31 32 attributes #0 = { nounwind }33 34...35---36name: test137alignment: 1638tracksRegLiveness: true39registers:40 - { id: 0, class: gr64 }41 - { id: 1, class: gr64 }42 - { id: 2, class: gr64 }43 - { id: 3, class: gr64 }44liveins:45 - { reg: '$rdi', virtual-reg: '%2' }46 - { reg: '$rsi', virtual-reg: '%3' }47frameInfo:48 maxAlignment: 149 adjustsStack: true50 hasCalls: true51machineFunctionInfo: {}52body: |53 ; CHECK-LABEL: name: test154 ; CHECK: bb.0.entry:55 ; CHECK-NEXT: successors: %bb.1(0x80000000)56 ; CHECK-NEXT: liveins: $rdi, $rsi57 ; CHECK-NEXT: {{ $}}58 ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr64 = COPY killed $rsi59 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr64 = COPY killed $rdi60 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gr64 = COPY killed [[COPY1]]61 ; CHECK-NEXT: {{ $}}62 ; CHECK-NEXT: bb.1.loop (ir-block-address-taken %ir-block.loop, inlineasm-br-indirect-target):63 ; CHECK-NEXT: successors: %bb.2(0x80000000), %bb.1(0x00000000)64 ; CHECK-NEXT: {{ $}}65 ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gr64 = COPY killed [[COPY2]]66 ; CHECK-NEXT: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm [[COPY]], 1, $noreg, 0, $noreg :: (load (s64) from %ir.mem)67 ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp68 ; CHECK-NEXT: $rdi = COPY killed [[COPY3]]69 ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @foo, csr_64, implicit $rsp, implicit $ssp, implicit killed $rdi, implicit-def $rsp, implicit-def $ssp70 ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp71 ; CHECK-NEXT: [[COPY4:%[0-9]+]]:gr64 = COPY [[MOV64rm]]72 ; CHECK-NEXT: INLINEASM_BR &"", 9 /* sideeffect mayload attdialect */, 262190 /* mem:m */, killed [[MOV64rm]], 1, $noreg, 0, $noreg, 13 /* imm */, blockaddress(@test1, %ir-block.loop)73 ; CHECK-NEXT: JMP_1 %bb.274 ; CHECK-NEXT: {{ $}}75 ; CHECK-NEXT: bb.2.end:76 ; CHECK-NEXT: RET 077 bb.0.entry:78 liveins: $rdi, $rsi79 80 %3:gr64 = COPY killed $rsi81 %2:gr64 = COPY killed $rdi82 83 bb.1.loop (ir-block-address-taken %ir-block.loop, inlineasm-br-indirect-target):84 successors: %bb.2(0x80000000), %bb.1(0x00000000)85 86 %0:gr64 = PHI %2, %bb.0, %1, %bb.187 %1:gr64 = MOV64rm %3, 1, $noreg, 0, $noreg :: (load (s64) from %ir.mem)88 ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp89 $rdi = COPY killed %090 CALL64pcrel32 target-flags(x86-plt) @foo, csr_64, implicit $rsp, implicit $ssp, implicit killed $rdi, implicit-def $rsp, implicit-def $ssp91 ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp92 INLINEASM_BR &"", 9 /* sideeffect mayload attdialect */, 262190 /* mem:m */, %1, 1, $noreg, 0, $noreg, 13 /* imm */, blockaddress(@test1, %ir-block.loop)93 JMP_1 %bb.294 95 bb.2.end:96 RET 097 98...99