thumb-select-br.mir
1021 Bytes
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
# RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
define void @test_br() { ret void }
...
---
name: test_br
# CHECK-LABEL: name: test_br
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
body: |
bb.0:
; CHECK: bb.0
successors: %bb.1(0x40000000), %bb.2(0x40000000)
liveins: $r0
%0(s32) = COPY $r0
; CHECK: [[COND32:%[0-9]+]]:gpr = COPY $r0
%1(s1) = G_TRUNC %0(s32)
; CHECK: [[COND:%[0-9]+]]:rgpr = COPY [[COND32]]
G_BRCOND %1(s1), %bb.1
; CHECK: t2TSTri [[COND]], 1, 14, $noreg, implicit-def $cpsr
; CHECK: t2Bcc %bb.1, 1, $cpsr
G_BR %bb.2
; CHECK: t2B %bb.2, 14, $noreg
bb.1:
; CHECK: bb.1
successors: %bb.2(0x80000000)
G_BR %bb.2
; CHECK: t2B %bb.2, 14, $noreg
bb.2:
; CHECK: bb.2
tBX_RET 14, $noreg
; CHECK: tBX_RET 14, $noreg
...