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1# RUN: llc -mtriple=ppc32-- %s -run-pass=phi-node-elimination \2# RUN: -verify-machineinstrs -o /dev/null 2>&13# RUN: llc -mtriple=ppc32-- %s --passes=phi-node-elimination -o /dev/null 2>&14# RUN: llc -mtriple=ppc32-- %s -start-before=phi-node-elimination \5# RUN: -verify-machineinstrs -o /dev/null 2>&16 7--- |8 define void @VerifyTwoAddressCrash(i16 %div.0.i.i.i.i, i32 %L_num.0.i.i.i.i, i32 %tmp1.i.i206.i.i, ptr %P) {9 %X = shl i16 %div.0.i.i.i.i, 110 %tmp28.i.i.i.i = shl i32 %L_num.0.i.i.i.i, 111 %tmp31.i.i.i.i = icmp slt i32 %tmp28.i.i.i.i, %tmp1.i.i206.i.i12 %tmp31.i.i.i.i.upgrd.1 = zext i1 %tmp31.i.i.i.i to i1613 %tmp371.i.i.i.i1 = or i16 %tmp31.i.i.i.i.upgrd.1, %X14 %div.0.be.i.i.i.i = xor i16 %tmp371.i.i.i.i1, 115 store i16 %div.0.be.i.i.i.i, ptr %P, align 216 ret void17 }18 19...20---21name: VerifyTwoAddressCrash22alignment: 423exposesReturnsTwice: false24legalized: false25regBankSelected: false26selected: false27failedISel: false28tracksRegLiveness: true29hasWinCFI: false30registers:31 - { id: 0, class: gprc, preferred-register: '' }32 - { id: 1, class: gprc, preferred-register: '' }33 - { id: 2, class: gprc, preferred-register: '' }34 - { id: 3, class: gprc_and_gprc_nor0, preferred-register: '' }35 - { id: 4, class: gprc, preferred-register: '' }36 - { id: 5, class: crrc, preferred-register: '' }37 - { id: 6, class: crbitrc, preferred-register: '' }38 - { id: 7, class: gprc_and_gprc_nor0, preferred-register: '' }39 - { id: 8, class: gprc_and_gprc_nor0, preferred-register: '' }40 - { id: 9, class: gprc, preferred-register: '' }41 - { id: 10, class: gprc, preferred-register: '' }42 - { id: 11, class: gprc, preferred-register: '' }43liveins:44 - { reg: '$r3', virtual-reg: '%0' }45 - { reg: '$r4', virtual-reg: '%1' }46 - { reg: '$r5', virtual-reg: '%2' }47 - { reg: '$r6', virtual-reg: '%3' }48frameInfo:49 isFrameAddressTaken: false50 isReturnAddressTaken: false51 hasStackMap: false52 hasPatchPoint: false53 stackSize: 054 offsetAdjustment: 055 maxAlignment: 456 adjustsStack: false57 hasCalls: false58 stackProtector: ''59 maxCallFrameSize: 429496729560 cvBytesOfCalleeSavedRegisters: 061 hasOpaqueSPAdjustment: false62 hasVAStart: false63 hasMustTailInVarArgFunc: false64 localFrameSize: 065 savePoint: []66 restorePoint: []67fixedStack: []68stack: []69callSites: []70constants: []71machineFunctionInfo: {}72body: |73 bb.0 (%ir-block.0):74 liveins: $r3, $r4, $r5, $r675 76 %3:gprc_and_gprc_nor0 = COPY killed $r677 %2:gprc = COPY killed $r578 %1:gprc = COPY killed $r479 %0:gprc = COPY killed $r380 %4:gprc = RLWINM killed %1, 1, 0, 3081 %5:crrc = CMPW killed %4, killed %282 %6:crbitrc = COPY killed %5.sub_lt83 %7:gprc_and_gprc_nor0 = LI 084 %8:gprc_and_gprc_nor0 = LI 185 %9:gprc = ISEL killed %8, killed %7, killed %686 %10:gprc = RLWIMI killed %9, killed %0, 1, 0, 3087 %11:gprc = XORI killed %10, 188 STH killed %11, 0, killed %3 :: (store (s16) into %ir.P)89 BLR implicit $lr, implicit $rm90 91...92 93# Used to result in94#95# Bad machine code: Two-address instruction operands must be identical96# - function: VerifyTwoAddressCrash97# - basic block: %bb.098# - instruction: %10:gprc = RLWIMI killed %9:gprc(tied-def 0), killed %0:gprc, 1, 0, 3099# - operand 1: killed %9:gprc(tied-def 0)100# LLVM ERROR: Found 1 machine code errors.101# Just verify that we do not crash (or get verifier error).102