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
|
# RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass none -o - %s | FileCheck %s
--- |
@var = global i64 0
@local_addr = global i64* null
define void @stack_local() {
entry:
%local_var = alloca i64
%val = load i64, i64* @var
store i64 %val, i64* %local_var
store i64* %local_var, i64** @local_addr
ret void
}
...
---
name: stack_local
tracksRegLiveness: true
registers:
- { id: 0, class: gpr64common }
- { id: 1, class: gpr64 }
- { id: 2, class: gpr64common }
- { id: 3, class: gpr64common }
frameInfo:
maxAlignment: 8
# CHECK-LABEL: stack_local
# CHECK: stack:
# CHECK: - { id: 0, name: local_var, type: default, offset: 0, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true,
# CHECK-NEXT: local-offset: -8, debug-info-variable: '', debug-info-expression: '',
# CHECK-NEXT: debug-info-location: '' }
stack:
- { id: 0,name: local_var,offset: 0,size: 8,alignment: 8, local-offset: -8 }
body: |
bb.0.entry:
%0 = ADRP @var
%1 = LDRXui killed %0, @var :: (load 8 from @var)
STRXui killed %1, %stack.0.local_var, 0 :: (store 8 into %ir.local_var)
%2 = ADRP @local_addr
%3 = ADDXri %stack.0.local_var, 0, 0
STRXui killed %3, killed %2, @local_addr :: (store 8 into @local_addr)
RET_ReallyLR
...
|
