xref: /llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/legalize-bzero.mir (revision fae05692a36f9ebbd201d93c2a6b0f927564d7e6)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=aarch64-apple-ios -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
3
4# Check that we can legalize G_BZERO on Darwin.
5
6...
7---
8name:            bzero
9tracksRegLiveness: true
10body:             |
11  bb.0:
12    liveins: $x0, $x1
13    ; CHECK-LABEL: name: bzero
14    ; CHECK: liveins: $x0, $x1
15    ; CHECK: %ptr:_(p0) = COPY $x0
16    ; CHECK: %width:_(s64) = COPY $x1
17    ; CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
18    ; CHECK: $x0 = COPY %ptr(p0)
19    ; CHECK: $x1 = COPY %width(s64)
20    ; CHECK: BL &bzero, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0, implicit $x1
21    ; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
22    ; CHECK: RET_ReallyLR
23    %ptr:_(p0) = COPY $x0
24    %width:_(s64) = COPY $x1
25    G_BZERO %ptr(p0), %width(s64), 0 :: (store (s32))
26    RET_ReallyLR
27
28...
29---
30name:            bzero_tail_call
31tracksRegLiveness: true
32body:             |
33  bb.0:
34    liveins: $x0, $x1
35    ; CHECK-LABEL: name: bzero_tail_call
36    ; CHECK: liveins: $x0, $x1
37    ; CHECK: %ptr:_(p0) = COPY $x0
38    ; CHECK: %width:_(s64) = COPY $x1
39    ; CHECK: $x0 = COPY %ptr(p0)
40    ; CHECK: $x1 = COPY %width(s64)
41    ; CHECK: TCRETURNdi &bzero, 0, csr_darwin_aarch64_aapcs, implicit $sp, implicit $x0, implicit $x1
42    %ptr:_(p0) = COPY $x0
43    %width:_(s64) = COPY $x1
44    G_BZERO %ptr(p0), %width(s64), 1 :: (store (s32))
45    RET_ReallyLR
46