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1# RUN: llc -mtriple=aarch64 -o - %s \2# RUN: -run-pass dead-mi-elimination | FileCheck %s3# RUN: llc -mtriple=aarch64 -o - %s -p dead-mi-elimination | FileCheck %s4--- |5 @c = internal unnamed_addr global [3 x i8] zeroinitializer, align 46 @d = common dso_local local_unnamed_addr global i32 0, align 47 8 define dso_local i32 @main() local_unnamed_addr {9 %scevgep = getelementptr i8, ptr getelementptr inbounds ([3 x i8], ptr @c, i64 0, i64 1), i64 010 ret i32 011 }12...13---14name: main15tracksRegLiveness: true16registers:17 - { id: 0, class: gpr64common, preferred-register: '' }18 - { id: 1, class: gpr64common, preferred-register: '' }19 - { id: 2, class: gpr64, preferred-register: '' }20 - { id: 3, class: gpr64common, preferred-register: '' }21 - { id: 4, class: gpr32, preferred-register: '' }22 - { id: 5, class: gpr32all, preferred-register: '' }23 - { id: 6, class: gpr64common, preferred-register: '' }24body: |25 bb.0:26 successors: %bb.4(0x30000000), %bb.5(0x50000000)27 28 %0:gpr64common = MOVaddr target-flags(aarch64-page) @c, target-flags(aarch64-pageoff, aarch64-nc) @c29 CBZX killed %0, %bb.430 B %bb.531 32 bb.1:33 successors: %bb.3(0x04000000), %bb.2(0x7c000000)34 35 %1:gpr64common = MOVaddr target-flags(aarch64-page) @c, target-flags(aarch64-pageoff, aarch64-nc) @c36 %2:gpr64 = SUBSXri %1, 2, 0, implicit-def $nzcv37 Bcc 0, %bb.3, implicit $nzcv38 B %bb.239 40 bb.2:41 successors: %bb.1(0x80000000)42 %3:gpr64common = ADDXrr %6, %243 %4:gpr32 = LDRBBui killed %3, 1 :: (load (s8) from %ir.scevgep)44 %5:gpr32all = COPY %445 B %bb.146 47 bb.3:48 ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp49 $x0 = MOVaddr target-flags(aarch64-page) @c, target-flags(aarch64-pageoff, aarch64-nc) @c50 ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp51 RET_ReallyLR implicit $w052 53 bb.4:54 successors: %bb.5(0x80000000)55 56 bb.5:57 successors: %bb.1(0x80000000)58 ; CHECK: bb.559 ; CHECK-NOT: %6:gpr64common = MOVaddr target-flags(aarch64-page) @c, target-flags(aarch64-pageoff, aarch64-nc) @c60 %6:gpr64common = MOVaddr target-flags(aarch64-page) @c, target-flags(aarch64-pageoff, aarch64-nc) @c61 B %bb.162...63