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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
# RUN: llc -x mir < %s | FileCheck %s
--- |
target triple = "x86_64-unknown-linux-gnu"
@x = external global i64
@i = external thread_local global i32
define i32 @or() {
entry:
ret i32 undef
}
define i32 @and() {
entry:
ret i32 undef
}
...
---
# CHECK-LABEL: or:
name: or
alignment: 16
tracksRegLiveness: true
registers:
- { id: 0, class: gr64 }
- { id: 1, class: gr64 }
- { id: 2, class: gr64 }
- { id: 3, class: gr64 }
- { id: 4, class: gr32 }
body: |
bb.0.entry:
%0:gr64 = MOV64rm $rip, 1, $noreg, @x, $noreg :: (load 8)
%1:gr64 = OR64ri8 %0, 7, implicit-def dead $eflags
%2:gr64 = MOV64rm $rip, 1, $noreg, target-flags(x86-gottpoff) @i, $noreg :: (load 8)
%3:gr64 = OR64rr %2, %1, implicit-def dead $eflags
%4:gr32 = MOV32rm killed %3, 1, $noreg, 0, $fs :: (load 4)
; CHECK-NOT: orq {{.*}}GOTTPOFF{{.*}}
;
; What we actually expect:
; CHECK: movq {{.*}}GOTTPOFF{{.*}}, %[[R:.*]]
; CHECK-NEXT: orq %{{.*}}, %[[R]]
; CHECK-NEXT: movl %fs:(%[[R]]),
;
; CHECK-NOT: orq {{.*}}GOTTPOFF{{.*}}
$eax = COPY %4
RET 0, $eax
...
---
# CHECK-LABEL: and:
name: and
alignment: 16
tracksRegLiveness: true
registers:
- { id: 0, class: gr64 }
- { id: 1, class: gr64 }
- { id: 2, class: gr64 }
- { id: 3, class: gr64 }
- { id: 4, class: gr32 }
body: |
bb.0.entry:
%0:gr64 = MOV64rm $rip, 1, $noreg, @x, $noreg :: (load 8)
%1:gr64 = OR64ri8 %0, 7, implicit-def dead $eflags
%2:gr64 = MOV64rm $rip, 1, $noreg, target-flags(x86-gottpoff) @i, $noreg :: (load 8)
%3:gr64 = AND64rr %2, %1, implicit-def dead $eflags
%4:gr32 = MOV32rm killed %3, 1, $noreg, 0, $fs :: (load 4)
; CHECK-NOT: andq {{.*}}GOTTPOFF{{.*}}
;
; What we actually expect:
; CHECK: movq {{.*}}GOTTPOFF{{.*}}, %[[R:.*]]
; CHECK-NEXT: andq %{{.*}}, %[[R]]
; CHECK-NEXT: movl %fs:(%[[R]]),
;
; CHECK-NOT: andq {{.*}}GOTTPOFF{{.*}}
$eax = COPY %4
RET 0, $eax
...
|
