1# RUN: llc -run-pass=peephole-opt %s -o - | FileCheck %s
2
3--- |
4  ; ModuleID = '<stdin>'
5  source_filename = "<stdin>"
6  target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
7  target triple = "thumb-none--eabi"
8
9  define i32 @f(i32 %a, i32 %b) {
10  entry:
11    %mul = mul nsw i32 %b, %a
12    %cmp = icmp eq i32 %mul, 0
13    %conv = zext i1 %cmp to i32
14    ret i32 %conv
15  }
16
17...
18---
19name:            f
20# CHECK-LABEL: name: f
21alignment:       1
22exposesReturnsTwice: false
23legalized:       false
24regBankSelected: false
25selected:        false
26tracksRegLiveness: true
27registers:
28  - { id: 0, class: tgpr }
29  - { id: 1, class: tgpr }
30  - { id: 2, class: tgpr }
31  - { id: 3, class: tgpr }
32  - { id: 4, class: tgpr }
33  - { id: 5, class: tgpr }
34liveins:
35  - { reg: '$r0', virtual-reg: '%0' }
36  - { reg: '$r1', virtual-reg: '%1' }
37frameInfo:
38  isFrameAddressTaken: false
39  isReturnAddressTaken: false
40  hasStackMap:     false
41  hasPatchPoint:   false
42  stackSize:       0
43  offsetAdjustment: 0
44  maxAlignment:    0
45  adjustsStack:    false
46  hasCalls:        false
47  maxCallFrameSize: 0
48  hasOpaqueSPAdjustment: false
49  hasVAStart:      false
50  hasMustTailInVarArgFunc: false
51
52# CHECK:  tMOVi8 1, 14, $noreg
53# CHECK:  tMOVi8 0, 14, $noreg
54# CHECK:  tMUL %1, %0, 14, $noreg
55# CHECK-NOT: tCMPi8
56body:             |
57  bb.0.entry:
58    liveins: $r0, $r1
59
60    %1 = COPY $r1
61    %0 = COPY $r0
62    %2, $cpsr = tMUL %1, %0, 14, $noreg
63    %3, $cpsr = tMOVi8 1, 14, $noreg
64    %4, $cpsr = tMOVi8 0, 14, $noreg
65    tCMPi8 killed %2, 0, 14, $noreg, implicit-def $cpsr
66    tBcc %bb.2.entry, 0, $cpsr
67
68  bb.1.entry:
69
70  bb.2.entry:
71    %5 = PHI %4, %bb.1.entry, %3, %bb.0.entry
72    $r0 = COPY %5
73    tBX_RET 14, $noreg, implicit $r0
74
75...
76