1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=1 %s -o - | FileCheck %s
4 name: zext_of_load_copy
6 exposesReturnsTwice: false
10 - { reg: '$x0', virtual-reg: '' }
11 - { reg: '$x1', virtual-reg: '' }
15 debugValueSubstitutions: []
17 machineFunctionInfo: {}
22 ; CHECK-LABEL: name: zext_of_load_copy
23 ; CHECK: [[DEF:%[0-9]+]]:gpr64common = IMPLICIT_DEF
24 ; CHECK-NEXT: [[LDRBBui:%[0-9]+]]:gpr32 = LDRBBui [[DEF]], 0 :: (load (s8))
25 ; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64all = SUBREG_TO_REG 0, [[LDRBBui]], %subreg.sub_32
26 ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY [[SUBREG_TO_REG]]
27 ; CHECK-NEXT: [[ANDXri:%[0-9]+]]:gpr64sp = ANDXri [[COPY]], 4096
28 ; CHECK-NEXT: $x0 = COPY [[ANDXri]]
29 %3:gpr(p0) = G_IMPLICIT_DEF
30 %2:gpr(s8) = G_LOAD %3(p0) :: (load (s8))
31 %4:gpr(s64) = G_ZEXT %2(s8)
32 %5:gpr(s64) = G_CONSTANT i64 1
33 %6:gpr(s64) = G_AND %4, %5