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
|
# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses basic block liveins correctly.
--- |
define i32 @test(i32 %a, i32 %b) {
body:
%c = add i32 %a, %b
ret i32 %c
}
define i32 @test2(i32 %a, i32 %b) {
body:
%c = add i32 %a, %b
ret i32 %c
}
define i32 @test3() {
body:
ret i32 0
}
...
---
name: test
tracksRegLiveness: true
body: |
; CHECK-LABEL: bb.0.body:
; CHECK-NEXT: liveins: $edi, $esi
bb.0.body:
liveins: $edi, $esi
$eax = LEA64_32r killed $rdi, 1, killed $rsi, 0, _
RETQ $eax
...
---
name: test2
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: test2
; Verify that we can have multiple lists of liveins that will be merged into
; one.
; CHECK: bb.0.body:
; CHECK-NEXT: liveins: $edi, $esi
bb.0.body:
liveins: $edi
liveins: $esi
$eax = LEA64_32r killed $rdi, 1, killed $rsi, 0, _
RETQ $eax
...
---
name: test3
tracksRegLiveness: true
body: |
; Verify that we can have an empty list of liveins.
; CHECK-LABEL: name: test3
; CHECK: bb.0.body:
; CHECK-NEXT: $eax = MOV32r0 implicit-def dead $eflags
bb.0.body:
liveins:
$eax = MOV32r0 implicit-def dead $eflags
RETQ killed $eax
...
|
