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
| # RUN: not llc -march=x86-64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that an error is reported when an unknown subregister index
# is encountered.
--- |
define zeroext i1 @t(i1 %c) {
entry:
ret i1 %c
}
...
---
name: t
tracksRegLiveness: true
registers:
- { id: 0, class: gr32 }
- { id: 1, class: gr8 }
- { id: 2, class: gr8 }
body: |
bb.0.entry:
%0 = COPY $edi
; CHECK: [[@LINE+1]]:18: use of unknown subregister index 'bit8'
%1 = COPY %0.bit8
%2 = AND8ri %1, 1, implicit-def $eflags
$al = COPY %2
RETQ $al
...
|