aboutsummaryrefslogtreecommitdiff
path: root/llvm/test/CodeGen/MIR/X86/load-with-max-alignment.mir
blob: c6fe89d6235080a3947b28a98e55ad94c2a76c84 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
# RUN: llc -mtriple=x86_64 -run-pass=none -o - %s | FileCheck %s

# CHECK: name:            truly_aligned_load
# CHECK: MOV32rm {{.*}} :: (load (s32), align 4294967296)

# CHECK: name:            basealigned_load
# CHECK: MOV32rm {{.*}} :: (load (s32) from unknown-address + 4, basealign 4294967296)

---
name:            truly_aligned_load
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
frameInfo:
  maxAlignment:    1
  maxCallFrameSize: 0
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $rdi

    renamable $eax = MOV32rm killed renamable $rdi, 1, $noreg, 0, $noreg :: (load (s32) from unknown-address, align 4294967296)
    RET64 $eax

...
---
name:            basealigned_load
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
frameInfo:
  maxAlignment:    1
  maxCallFrameSize: 0
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $rdi

    renamable $eax = MOV32rm killed renamable $rdi, 1, $noreg, 0, $noreg :: (load (s32) from unknown-address + 4, basealign 4294967296)
    RET64 $eax

...