xref: /llvm-project/llvm/test/CodeGen/ARM/GlobalISel/thumb-select-select.mir (revision 7efabe5c7de46fe190638741c6ee81ae13255e38) 
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
3--- |
4  define void @test_select_s32() { ret void }
5  define void @test_select_ptr() { ret void }
6...
7---
8name:            test_select_s32
9legalized:       true
10regBankSelected: true
11selected:        false
12registers:
13  - { id: 0, class: gprb }
14  - { id: 1, class: gprb }
15  - { id: 2, class: gprb }
16  - { id: 3, class: gprb }
17body:             |
18  bb.0:
19    liveins: $r0, $r1
20
21    ; CHECK-LABEL: name: test_select_s32
22    ; CHECK: [[COPY:%[0-9]+]]:rgpr = COPY $r0
23    ; CHECK: [[COPY1:%[0-9]+]]:rgpr = COPY $r1
24    ; CHECK: t2TSTri [[COPY1]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
25    ; CHECK: [[t2MOVCCr:%[0-9]+]]:rgpr = t2MOVCCr [[COPY]], [[COPY1]], 0 /* CC::eq */, $cpsr
26    ; CHECK: $r0 = COPY [[t2MOVCCr]]
27    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
28    %0(s32) = COPY $r0
29
30    %1(s32) = COPY $r1
31
32    %2(s1) = G_TRUNC %1(s32)
33
34    %3(s32) = G_SELECT %2(s1),  %0, %1
35
36    $r0 = COPY %3(s32)
37
38    BX_RET 14, $noreg, implicit $r0
39...
40---
41name:            test_select_ptr
42legalized:       true
43regBankSelected: true
44selected:        false
45registers:
46  - { id: 0, class: gprb }
47  - { id: 1, class: gprb }
48  - { id: 2, class: gprb }
49  - { id: 3, class: gprb }
50  - { id: 4, class: gprb }
51body:             |
52  bb.0:
53    liveins: $r0, $r1, $r2
54
55    ; CHECK-LABEL: name: test_select_ptr
56    ; CHECK: [[COPY:%[0-9]+]]:rgpr = COPY $r0
57    ; CHECK: [[COPY1:%[0-9]+]]:rgpr = COPY $r1
58    ; CHECK: [[COPY2:%[0-9]+]]:gpr = COPY $r2
59    ; CHECK: [[COPY3:%[0-9]+]]:rgpr = COPY [[COPY2]]
60    ; CHECK: t2TSTri [[COPY3]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
61    ; CHECK: [[t2MOVCCr:%[0-9]+]]:rgpr = t2MOVCCr [[COPY]], [[COPY1]], 0 /* CC::eq */, $cpsr
62    ; CHECK: $r0 = COPY [[t2MOVCCr]]
63    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
64    %0(p0) = COPY $r0
65
66    %1(p0) = COPY $r1
67
68    %2(s32) = COPY $r2
69
70    %3(s1) = G_TRUNC %2(s32)
71
72    %4(p0) = G_SELECT %3(s1),  %0, %1
73
74    $r0 = COPY %4(p0)
75
76    BX_RET 14, $noreg, implicit $r0
77...
78