xref: /llvm-project/llvm/test/CodeGen/Thumb2/ifcvt-neon-deprecated.mir (revision cced971fd3d6713ec4989990e1b2f42c8539f0f3) 
1# RUN: llc -mtriple=thumbv7 -start-before=if-converter %s -o - | FileCheck %s
2
3--- |
4  ; ModuleID = 'vdup-test.ll'
5  source_filename = "vdup-test.ll"
6  target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
7  target triple = "thumbv7"
8
9  define arm_aapcs_vfpcc <2 x i32> @NeonVdupMul(i32 %scalar, i32 %N, <2 x i32> %vector) {
10  entry:
11    %cmp = icmp ne i32 %N, 0
12    %broadcast = insertelement <2 x i32> undef, i32 %scalar, i32 0
13    %dup = shufflevector <2 x i32> %broadcast, <2 x i32> undef, <2 x i32> zeroinitializer
14    %mul = mul <2 x i32> %dup, %vector
15    br i1 %cmp, label %select.end, label %select.false
16
17  select.false:                                     ; preds = %entry
18    br label %select.end
19
20  select.end:                                       ; preds = %entry, %select.false
21    %res = phi <2 x i32> [ %mul, %entry ], [ %vector, %select.false ]
22    ret <2 x i32> %res
23  }
24
25...
26---
27name:            NeonVdupMul
28alignment:       2
29exposesReturnsTwice: false
30legalized:       false
31regBankSelected: false
32selected:        false
33failedISel:      false
34tracksRegLiveness: true
35hasWinCFI:       false
36registers:       []
37liveins:
38  - { reg: '$r0', virtual-reg: '' }
39  - { reg: '$r1', virtual-reg: '' }
40  - { reg: '$d0', virtual-reg: '' }
41frameInfo:
42  isFrameAddressTaken: false
43  isReturnAddressTaken: false
44  hasStackMap:     false
45  hasPatchPoint:   false
46  stackSize:       0
47  offsetAdjustment: 0
48  maxAlignment:    1
49  adjustsStack:    false
50  hasCalls:        false
51  stackProtector:  ''
52  maxCallFrameSize: 0
53  cvBytesOfCalleeSavedRegisters: 0
54  hasOpaqueSPAdjustment: false
55  hasVAStart:      false
56  hasMustTailInVarArgFunc: false
57  localFrameSize:  0
58  savePoint:       ''
59  restorePoint:    ''
60fixedStack:      []
61stack:           []
62callSites:       []
63constants:       []
64machineFunctionInfo: {}
65body:             |
66  bb.0.entry:
67    successors: %bb.1(0x50000000), %bb.2(0x30000000)
68    liveins: $d0, $r0, $r1
69
70    t2CMPri killed renamable $r1, 0, 14, $noreg, implicit-def $cpsr
71    t2Bcc %bb.2, 0, killed $cpsr
72
73  bb.1:
74    successors: %bb.2(0x80000000)
75    liveins: $d0, $r0
76
77    renamable $d16 = VDUP32d killed renamable $r0, 14, $noreg
78    ; Verify that the neon instructions haven't been conditionalized:
79    ; CHECK-LABEL: NeonVdupMul
80    ; CHECK: vdup.32
81    ; CHECK: vmul.i32
82    renamable $d0 = VMULv2i32 killed renamable $d16, killed renamable $d0, 14, $noreg
83
84  bb.2.select.end:
85    liveins: $d0
86
87    tBX_RET 14, $noreg, implicit $d0
88
89...
90