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
| # RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses the 'killed' register flags
# correctly.
--- |
define i32 @foo(i32 %a) {
entry:
%0 = icmp sle i32 %a, 10
br i1 %0, label %less, label %exit
less:
ret i32 0
exit:
ret i32 %a
}
...
---
name: foo
body: |
bb.0.entry:
successors: %bb.1.less, %bb.2.exit
CMP32ri8 $edi, 10, implicit-def $eflags
JCC_1 %bb.2.exit, 15, implicit $eflags
bb.1.less:
; CHECK: $eax = MOV32r0
; CHECK-NEXT: RETQ killed $eax
$eax = MOV32r0 implicit-def $eflags
RETQ killed $eax
bb.2.exit:
; CHECK: $eax = COPY killed $edi
; CHECK-NEXT: RETQ killed $eax
$eax = COPY killed $edi
RETQ killed $eax
...
|