File: load-with-max-alignment.mir

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (44 lines) | stat: -rw-r--r-- 1,077 bytes parent folder | download | duplicates (12) 
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 -march=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

...