1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -O0 -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
5 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
7 define void @implicit_def() { ret void }
8 define void @implicit_def_copy() { ret void }
16 - { id: 0, class: gpr }
17 - { id: 1, class: gpr }
21 ; CHECK-LABEL: name: implicit_def
22 ; CHECK: [[DEF:%[0-9]+]]:gpr32 = IMPLICIT_DEF
23 ; CHECK: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[DEF]], [[DEF]]
24 ; CHECK: $w0 = COPY [[ADDWrr]]
25 %0(s32) = G_IMPLICIT_DEF
26 %1(s32) = G_ADD %0, %0
30 name: implicit_def_copy
34 - { id: 0, class: gpr }
35 - { id: 1, class: gpr }
39 ; CHECK-LABEL: name: implicit_def_copy
40 ; CHECK: [[DEF:%[0-9]+]]:gpr32 = IMPLICIT_DEF
41 ; CHECK: [[COPY:%[0-9]+]]:gpr32all = COPY [[DEF]]
42 ; CHECK: $w0 = COPY [[COPY]]
43 %0(s32) = G_IMPLICIT_DEF
44 %1(s32) = COPY %0(s32)