xref: /llvm-project/llvm/test/CodeGen/Thumb2/LowOverheadLoops/lstp-insertion-position.mir (revision 59c6bd156cc8b42758ce90909615748e21c6eee2)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve.fp -run-pass=arm-low-overhead-loops %s -o - | FileCheck %s
3
4--- |
5  define dso_local arm_aapcs_vfpcc float @insert_after_vdup_1(ptr nocapture readonly %a, ptr nocapture readonly %b, float %init, i32 %N) {
6  entry:
7    %cmp8.not = icmp eq i32 %N, 0
8    %0 = add i32 %N, 3
9    %1 = lshr i32 %0, 2
10    %2 = shl nuw i32 %1, 2
11    %3 = add i32 %2, -4
12    %4 = lshr i32 %3, 2
13    %5 = add nuw nsw i32 %4, 1
14    br i1 %cmp8.not, label %for.cond.cleanup, label %vector.ph
15
16  vector.ph:                                        ; preds = %entry
17    %6 = insertelement <4 x float> <float undef, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00>, float %init, i32 0
18    %start = call i32 @llvm.start.loop.iterations.i32(i32 %5)
19    br label %vector.body
20
21  vector.body:                                      ; preds = %vector.body, %vector.ph
22    %lsr.iv13 = phi ptr [ %scevgep14, %vector.body ], [ %b, %vector.ph ]
23    %lsr.iv = phi ptr [ %scevgep, %vector.body ], [ %a, %vector.ph ]
24    %vec.phi = phi <4 x float> [ %6, %vector.ph ], [ %13, %vector.body ]
25    %7 = phi i32 [ %start, %vector.ph ], [ %14, %vector.body ]
26    %8 = phi i32 [ %N, %vector.ph ], [ %10, %vector.body ]
27    %lsr.iv12 = bitcast ptr %lsr.iv to ptr
28    %lsr.iv1315 = bitcast ptr %lsr.iv13 to ptr
29    %9 = call <4 x i1> @llvm.arm.mve.vctp32(i32 %8)
30    %10 = sub i32 %8, 4
31    %wide.masked.load = call <4 x float> @llvm.masked.load.v4f32.p0(ptr %lsr.iv12, i32 4, <4 x i1> %9, <4 x float> undef)
32    %wide.masked.load11 = call <4 x float> @llvm.masked.load.v4f32.p0(ptr %lsr.iv1315, i32 4, <4 x i1> %9, <4 x float> undef)
33    %11 = fmul fast <4 x float> %wide.masked.load11, %wide.masked.load
34    %12 = fadd fast <4 x float> %11, %vec.phi
35    %13 = select <4 x i1> %9, <4 x float> %12, <4 x float> %vec.phi
36    %scevgep = getelementptr float, ptr %lsr.iv, i32 4
37    %scevgep14 = getelementptr float, ptr %lsr.iv13, i32 4
38    %14 = call i32 @llvm.loop.decrement.reg.i32(i32 %7, i32 1)
39    %15 = icmp ne i32 %14, 0
40    br i1 %15, label %vector.body, label %middle.block
41
42  middle.block:                                     ; preds = %vector.body
43    %16 = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float 0.000000e+00, <4 x float> %13)
44    br label %for.cond.cleanup
45
46  for.cond.cleanup:                                 ; preds = %middle.block, %entry
47    %res.0.lcssa = phi float [ %init, %entry ], [ %16, %middle.block ]
48    ret float %res.0.lcssa
49  }
50
51  define dso_local arm_aapcs_vfpcc float @insert_after_vdup_2(ptr nocapture readonly %a, ptr nocapture readonly %b, float %init, i32 %N) local_unnamed_addr #0 {
52  entry:
53    %shr = lshr i32 %N, 2
54    %cmp9.not = icmp eq i32 %shr, 0
55    %0 = add nuw nsw i32 %shr, 3
56    %1 = lshr i32 %0, 2
57    %2 = shl nuw nsw i32 %1, 2
58    %3 = add nsw i32 %2, -4
59    %4 = lshr i32 %3, 2
60    %5 = add nuw nsw i32 %4, 1
61    br i1 %cmp9.not, label %for.cond.cleanup, label %vector.ph
62
63  vector.ph:                                        ; preds = %entry
64    %6 = insertelement <4 x float> <float undef, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00>, float %init, i32 0
65    %start = call i32 @llvm.start.loop.iterations.i32(i32 %5)
66    br label %vector.body
67
68  vector.body:                                      ; preds = %vector.body, %vector.ph
69    %lsr.iv14 = phi ptr [ %scevgep15, %vector.body ], [ %b, %vector.ph ]
70    %lsr.iv = phi ptr [ %scevgep, %vector.body ], [ %a, %vector.ph ]
71    %vec.phi = phi <4 x float> [ %6, %vector.ph ], [ %13, %vector.body ]
72    %7 = phi i32 [ %start, %vector.ph ], [ %14, %vector.body ]
73    %8 = phi i32 [ %shr, %vector.ph ], [ %10, %vector.body ]
74    %lsr.iv13 = bitcast ptr %lsr.iv to ptr
75    %lsr.iv1416 = bitcast ptr %lsr.iv14 to ptr
76    %9 = call <4 x i1> @llvm.arm.mve.vctp32(i32 %8)
77    %10 = sub i32 %8, 4
78    %wide.masked.load = call <4 x float> @llvm.masked.load.v4f32.p0(ptr %lsr.iv13, i32 4, <4 x i1> %9, <4 x float> undef)
79    %wide.masked.load12 = call <4 x float> @llvm.masked.load.v4f32.p0(ptr %lsr.iv1416, i32 4, <4 x i1> %9, <4 x float> undef)
80    %11 = fmul fast <4 x float> %wide.masked.load12, %wide.masked.load
81    %12 = fadd fast <4 x float> %11, %vec.phi
82    %13 = select <4 x i1> %9, <4 x float> %12, <4 x float> %vec.phi
83    %scevgep = getelementptr float, ptr %lsr.iv, i32 4
84    %scevgep15 = getelementptr float, ptr %lsr.iv14, i32 4
85    %14 = call i32 @llvm.loop.decrement.reg.i32(i32 %7, i32 1)
86    %15 = icmp ne i32 %14, 0
87    br i1 %15, label %vector.body, label %middle.block
88
89  middle.block:                                     ; preds = %vector.body
90    %16 = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float 0.000000e+00, <4 x float> %13)
91    br label %for.cond.cleanup
92
93  for.cond.cleanup:                                 ; preds = %middle.block, %entry
94    %res.0.lcssa = phi float [ %init, %entry ], [ %16, %middle.block ]
95    ret float %res.0.lcssa
96  }
97
98  declare <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32, i32)
99  declare <4 x float> @llvm.masked.load.v4f32.p0(ptr, i32 immarg, <4 x i1>, <4 x float>)
100  declare float @llvm.vector.reduce.fadd.f32.v4f32(float, <4 x float>)
101  declare i32 @llvm.start.loop.iterations.i32(i32)
102  declare i32 @llvm.loop.decrement.reg.i32(i32, i32)
103  declare <4 x i1> @llvm.arm.mve.vctp32(i32)
104
105...
106---
107name:            insert_after_vdup_1
108alignment:       4
109tracksRegLiveness: true
110registers:       []
111liveins:
112  - { reg: '$r0', virtual-reg: '' }
113  - { reg: '$r1', virtual-reg: '' }
114  - { reg: '$s0', virtual-reg: '' }
115  - { reg: '$r2', virtual-reg: '' }
116frameInfo:
117  stackSize:       8
118  offsetAdjustment: 0
119  maxAlignment:    4
120  localFrameSize:  0
121  savePoint:       ''
122  restorePoint:    ''
123fixedStack:      []
124stack:
125  - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
126      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
127      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
128  - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
129      stack-id: default, callee-saved-register: '$r7', callee-saved-restored: true,
130      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
131callSites:       []
132constants:
133  - id:              0
134    value:           'float 0.000000e+00'
135    alignment:       4
136    isTargetSpecific: false
137machineFunctionInfo: {}
138body:             |
139  ; CHECK-LABEL: name: insert_after_vdup_1
140  ; CHECK: bb.0.entry:
141  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
142  ; CHECK-NEXT:   liveins: $lr, $r0, $r1, $r2, $r7, $s0
143  ; CHECK-NEXT: {{  $}}
144  ; CHECK-NEXT:   tCMPi8 renamable $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
145  ; CHECK-NEXT:   t2IT 0, 8, implicit-def $itstate
146  ; CHECK-NEXT:   tBX_RET 0 /* CC::eq */, killed $cpsr, implicit $s0, implicit killed $itstate
147  ; CHECK-NEXT: {{  $}}
148  ; CHECK-NEXT: bb.1.vector.ph:
149  ; CHECK-NEXT:   successors: %bb.2(0x80000000)
150  ; CHECK-NEXT:   liveins: $lr, $r0, $r1, $r2, $s0
151  ; CHECK-NEXT: {{  $}}
152  ; CHECK-NEXT:   frame-setup tPUSH 14 /* CC::al */, $noreg, killed $lr, implicit-def $sp, implicit $sp
153  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_offset 8
154  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION offset $lr, -4
155  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION offset $r7, -8
156  ; CHECK-NEXT:   dead $r7 = frame-setup tMOVr $sp, 14 /* CC::al */, $noreg
157  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_register $r7
158  ; CHECK-NEXT:   renamable $r3, dead $cpsr = tADDi3 renamable $r2, 3, 14 /* CC::al */, $noreg
159  ; CHECK-NEXT:   renamable $r3 = t2BICri killed renamable $r3, 3, 14 /* CC::al */, $noreg, $noreg
160  ; CHECK-NEXT:   renamable $r12 = t2SUBri killed renamable $r3, 4, 14 /* CC::al */, $noreg, $noreg
161  ; CHECK-NEXT:   renamable $r3, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
162  ; CHECK-NEXT:   renamable $lr = nuw nsw t2ADDrs killed renamable $r3, killed renamable $r12, 19, 14 /* CC::al */, $noreg, $noreg
163  ; CHECK-NEXT:   renamable $r3 = tLDRpci %const.0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
164  ; CHECK-NEXT:   renamable $q1 = MVE_VDUP32 killed renamable $r3, 0, $noreg, $noreg, undef renamable $q1
165  ; CHECK-NEXT:   $s4 = VMOVS killed $s0, 14 /* CC::al */, $noreg, implicit killed $q1, implicit-def $q1
166  ; CHECK-NEXT: {{  $}}
167  ; CHECK-NEXT: bb.2.vector.body:
168  ; CHECK-NEXT:   successors: %bb.2(0x7c000000), %bb.3(0x04000000)
169  ; CHECK-NEXT:   liveins: $lr, $q1, $r0, $r1, $r2
170  ; CHECK-NEXT: {{  $}}
171  ; CHECK-NEXT:   renamable $vpr = MVE_VCTP32 renamable $r2, 0, $noreg, $noreg
172  ; CHECK-NEXT:   renamable $r2, dead $cpsr = tSUBi8 killed renamable $r2, 4, 14 /* CC::al */, $noreg
173  ; CHECK-NEXT:   MVE_VPST 2, implicit $vpr
174  ; CHECK-NEXT:   renamable $r0, renamable $q0 = MVE_VLDRWU32_post killed renamable $r0, 16, 1, renamable $vpr, $noreg :: (load (s128) from %ir.lsr.iv12, align 4)
175  ; CHECK-NEXT:   renamable $r1, renamable $q2 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr, $noreg :: (load (s128) from %ir.lsr.iv1315, align 4)
176  ; CHECK-NEXT:   renamable $q1 = MVE_VFMAf32 killed renamable $q1, killed renamable $q2, killed renamable $q0, 1, killed renamable $vpr, $noreg
177  ; CHECK-NEXT:   $lr = t2LEUpdate killed renamable $lr, %bb.2
178  ; CHECK-NEXT: {{  $}}
179  ; CHECK-NEXT: bb.3.middle.block:
180  ; CHECK-NEXT:   liveins: $q1
181  ; CHECK-NEXT: {{  $}}
182  ; CHECK-NEXT:   renamable $s0 = nnan ninf nsz arcp contract afn reassoc VADDS renamable $s6, renamable $s7, 14 /* CC::al */, $noreg
183  ; CHECK-NEXT:   renamable $s2 = nnan ninf nsz arcp contract afn reassoc VADDS killed renamable $s4, killed renamable $s5, 14 /* CC::al */, $noreg, implicit killed $q1
184  ; CHECK-NEXT:   renamable $s0 = nnan ninf nsz arcp contract afn reassoc VADDS killed renamable $s2, killed renamable $s0, 14 /* CC::al */, $noreg
185  ; CHECK-NEXT:   $sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr
186  ; CHECK-NEXT:   tBX_RET 14 /* CC::al */, $noreg, implicit killed $s0
187  ; CHECK-NEXT: {{  $}}
188  ; CHECK-NEXT: bb.4 (align 4):
189  ; CHECK-NEXT:   CONSTPOOL_ENTRY 0, %const.0, 4
190  bb.0.entry:
191    successors: %bb.1(0x80000000)
192    liveins: $r0, $r1, $r2, $s0, $lr
193
194    tCMPi8 renamable $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
195    t2IT 0, 8, implicit-def $itstate
196    tBX_RET 0 /* CC::eq */, killed $cpsr, implicit $s0, implicit killed $itstate
197
198  bb.1.vector.ph:
199    successors: %bb.2(0x80000000)
200    liveins: $r0, $r1, $r2, $s0, $lr
201
202    frame-setup tPUSH 14 /* CC::al */, $noreg, killed $lr, implicit-def $sp, implicit $sp
203    frame-setup CFI_INSTRUCTION def_cfa_offset 8
204    frame-setup CFI_INSTRUCTION offset $lr, -4
205    frame-setup CFI_INSTRUCTION offset $r7, -8
206    $r7 = frame-setup tMOVr $sp, 14 /* CC::al */, $noreg
207    frame-setup CFI_INSTRUCTION def_cfa_register $r7
208    renamable $r3, dead $cpsr = tADDi3 renamable $r2, 3, 14 /* CC::al */, $noreg
209    renamable $r3 = t2BICri killed renamable $r3, 3, 14 /* CC::al */, $noreg, $noreg
210    renamable $r12 = t2SUBri killed renamable $r3, 4, 14 /* CC::al */, $noreg, $noreg
211    renamable $r3, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
212    renamable $lr = nuw nsw t2ADDrs killed renamable $r3, killed renamable $r12, 19, 14 /* CC::al */, $noreg, $noreg
213    renamable $r3 = tLDRpci %const.0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
214    $lr = t2DoLoopStart renamable $lr
215    renamable $q1 = MVE_VDUP32 killed renamable $r3, 0, $noreg, $noreg, undef renamable $q1
216    $s4 = VMOVS killed $s0, 14 /* CC::al */, $noreg, implicit killed $q1, implicit-def $q1
217
218  bb.2.vector.body:
219    successors: %bb.2(0x7c000000), %bb.3(0x04000000)
220    liveins: $lr, $q1, $r0, $r1, $r2
221
222    renamable $vpr = MVE_VCTP32 renamable $r2, 0, $noreg, $noreg
223    renamable $r2, dead $cpsr = tSUBi8 killed renamable $r2, 4, 14 /* CC::al */, $noreg
224    renamable $lr = t2LoopDec killed renamable $lr, 1
225    MVE_VPST 2, implicit $vpr
226    renamable $r0, renamable $q0 = MVE_VLDRWU32_post killed renamable $r0, 16, 1, renamable $vpr, $noreg :: (load (s128) from %ir.lsr.iv12, align 4)
227    renamable $r1, renamable $q2 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr, $noreg :: (load (s128) from %ir.lsr.iv1315, align 4)
228    renamable $q1 = MVE_VFMAf32 killed renamable $q1, killed renamable $q2, killed renamable $q0, 1, killed renamable $vpr, $noreg
229    t2LoopEnd renamable $lr, %bb.2, implicit-def dead $cpsr
230    tB %bb.3, 14 /* CC::al */, $noreg
231
232  bb.3.middle.block:
233    liveins: $q1
234
235    renamable $s0 = nnan ninf nsz arcp contract afn reassoc VADDS renamable $s6, renamable $s7, 14 /* CC::al */, $noreg
236    renamable $s2 = nnan ninf nsz arcp contract afn reassoc VADDS killed renamable $s4, killed renamable $s5, 14 /* CC::al */, $noreg, implicit $q1
237    renamable $s0 = nnan ninf nsz arcp contract afn reassoc VADDS killed renamable $s2, killed renamable $s0, 14 /* CC::al */, $noreg
238    $sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr
239    tBX_RET 14 /* CC::al */, $noreg, implicit killed $s0
240
241  bb.4 (align 4):
242    CONSTPOOL_ENTRY 0, %const.0, 4
243
244...
245---
246name:            insert_after_vdup_2
247alignment:       4
248tracksRegLiveness: true
249registers:       []
250liveins:
251  - { reg: '$r0', virtual-reg: '' }
252  - { reg: '$r1', virtual-reg: '' }
253  - { reg: '$s0', virtual-reg: '' }
254  - { reg: '$r2', virtual-reg: '' }
255frameInfo:
256  stackSize:       8
257  offsetAdjustment: 0
258  maxAlignment:    4
259  savePoint:       ''
260  restorePoint:    ''
261fixedStack:      []
262stack:
263  - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
264      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
265      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
266  - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
267      stack-id: default, callee-saved-register: '$r7', callee-saved-restored: true,
268      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
269callSites:       []
270constants:
271  - id:              0
272    value:           'float 0.000000e+00'
273    alignment:       4
274    isTargetSpecific: false
275machineFunctionInfo: {}
276body:             |
277  ; CHECK-LABEL: name: insert_after_vdup_2
278  ; CHECK: bb.0.entry:
279  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
280  ; CHECK-NEXT:   liveins: $lr, $r0, $r1, $r2, $r7, $s0
281  ; CHECK-NEXT: {{  $}}
282  ; CHECK-NEXT:   renamable $r3, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
283  ; CHECK-NEXT:   t2CMPrs killed renamable $r3, renamable $r2, 19, 14 /* CC::al */, $noreg, implicit-def $cpsr
284  ; CHECK-NEXT:   t2IT 0, 8, implicit-def $itstate
285  ; CHECK-NEXT:   tBX_RET 0 /* CC::eq */, killed $cpsr, implicit $s0, implicit killed $itstate
286  ; CHECK-NEXT: {{  $}}
287  ; CHECK-NEXT: bb.1.vector.ph:
288  ; CHECK-NEXT:   successors: %bb.2(0x80000000)
289  ; CHECK-NEXT:   liveins: $lr, $r0, $r1, $r2, $s0
290  ; CHECK-NEXT: {{  $}}
291  ; CHECK-NEXT:   frame-setup tPUSH 14 /* CC::al */, $noreg, killed $lr, implicit-def $sp, implicit $sp
292  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_offset 8
293  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION offset $lr, -4
294  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION offset $r7, -8
295  ; CHECK-NEXT:   dead $r7 = frame-setup tMOVr $sp, 14 /* CC::al */, $noreg
296  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_register $r7
297  ; CHECK-NEXT:   renamable $r3, dead $cpsr = tMOVi8 3, 14 /* CC::al */, $noreg
298  ; CHECK-NEXT:   renamable $r3 = nuw nsw t2ADDrs killed renamable $r3, renamable $r2, 19, 14 /* CC::al */, $noreg, $noreg
299  ; CHECK-NEXT:   renamable $r3 = t2BICri killed renamable $r3, 3, 14 /* CC::al */, $noreg, $noreg
300  ; CHECK-NEXT:   renamable $r12 = t2SUBri killed renamable $r3, 4, 14 /* CC::al */, $noreg, $noreg
301  ; CHECK-NEXT:   renamable $r3, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
302  ; CHECK-NEXT:   renamable $lr = t2ADDrs killed renamable $r3, killed renamable $r12, 19, 14 /* CC::al */, $noreg, $noreg
303  ; CHECK-NEXT:   renamable $r3 = tLDRpci %const.0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
304  ; CHECK-NEXT:   renamable $q1 = MVE_VDUP32 killed renamable $r3, 0, $noreg, $noreg, undef renamable $q1
305  ; CHECK-NEXT:   renamable $r2, dead $cpsr = tLSRri killed renamable $r2, 2, 14 /* CC::al */, $noreg
306  ; CHECK-NEXT:   $s4 = VMOVS killed $s0, 14 /* CC::al */, $noreg, implicit killed $q1, implicit-def $q1
307  ; CHECK-NEXT: {{  $}}
308  ; CHECK-NEXT: bb.2.vector.body:
309  ; CHECK-NEXT:   successors: %bb.2(0x7c000000), %bb.3(0x04000000)
310  ; CHECK-NEXT:   liveins: $lr, $q1, $r0, $r1, $r2
311  ; CHECK-NEXT: {{  $}}
312  ; CHECK-NEXT:   renamable $vpr = MVE_VCTP32 renamable $r2, 0, $noreg, $noreg
313  ; CHECK-NEXT:   renamable $r2, dead $cpsr = tSUBi8 killed renamable $r2, 4, 14 /* CC::al */, $noreg
314  ; CHECK-NEXT:   MVE_VPST 2, implicit $vpr
315  ; CHECK-NEXT:   renamable $r0, renamable $q0 = MVE_VLDRWU32_post killed renamable $r0, 16, 1, renamable $vpr, $noreg :: (load (s128) from %ir.lsr.iv13, align 4)
316  ; CHECK-NEXT:   renamable $r1, renamable $q2 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr, $noreg :: (load (s128) from %ir.lsr.iv1416, align 4)
317  ; CHECK-NEXT:   renamable $q1 = MVE_VFMAf32 killed renamable $q1, killed renamable $q2, killed renamable $q0, 1, killed renamable $vpr, $noreg
318  ; CHECK-NEXT:   $lr = t2LEUpdate killed renamable $lr, %bb.2
319  ; CHECK-NEXT: {{  $}}
320  ; CHECK-NEXT: bb.3.middle.block:
321  ; CHECK-NEXT:   liveins: $q1
322  ; CHECK-NEXT: {{  $}}
323  ; CHECK-NEXT:   renamable $s0 = nnan ninf nsz arcp contract afn reassoc VADDS renamable $s6, renamable $s7, 14 /* CC::al */, $noreg
324  ; CHECK-NEXT:   renamable $s2 = nnan ninf nsz arcp contract afn reassoc VADDS killed renamable $s4, killed renamable $s5, 14 /* CC::al */, $noreg, implicit killed $q1
325  ; CHECK-NEXT:   renamable $s0 = nnan ninf nsz arcp contract afn reassoc VADDS killed renamable $s2, killed renamable $s0, 14 /* CC::al */, $noreg
326  ; CHECK-NEXT:   $sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr
327  ; CHECK-NEXT:   tBX_RET 14 /* CC::al */, $noreg, implicit killed $s0
328  ; CHECK-NEXT: {{  $}}
329  ; CHECK-NEXT: bb.4 (align 4):
330  ; CHECK-NEXT:   CONSTPOOL_ENTRY 0, %const.0, 4
331  bb.0.entry:
332    successors: %bb.1(0x80000000)
333    liveins: $r0, $r1, $r2, $s0, $lr
334
335    renamable $r3, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
336    t2CMPrs killed renamable $r3, renamable $r2, 19, 14 /* CC::al */, $noreg, implicit-def $cpsr
337    t2IT 0, 8, implicit-def $itstate
338    tBX_RET 0 /* CC::eq */, killed $cpsr, implicit $s0, implicit killed $itstate
339
340  bb.1.vector.ph:
341    successors: %bb.2(0x80000000)
342    liveins: $r0, $r1, $r2, $s0, $lr
343
344    frame-setup tPUSH 14 /* CC::al */, $noreg, killed $lr, implicit-def $sp, implicit $sp
345    frame-setup CFI_INSTRUCTION def_cfa_offset 8
346    frame-setup CFI_INSTRUCTION offset $lr, -4
347    frame-setup CFI_INSTRUCTION offset $r7, -8
348    $r7 = frame-setup tMOVr $sp, 14 /* CC::al */, $noreg
349    frame-setup CFI_INSTRUCTION def_cfa_register $r7
350    renamable $r3, dead $cpsr = tMOVi8 3, 14 /* CC::al */, $noreg
351    renamable $r3 = nuw nsw t2ADDrs killed renamable $r3, renamable $r2, 19, 14 /* CC::al */, $noreg, $noreg
352    renamable $r3 = t2BICri killed renamable $r3, 3, 14 /* CC::al */, $noreg, $noreg
353    renamable $r12 = t2SUBri killed renamable $r3, 4, 14 /* CC::al */, $noreg, $noreg
354    renamable $r3, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
355    renamable $lr = t2ADDrs killed renamable $r3, killed renamable $r12, 19, 14 /* CC::al */, $noreg, $noreg
356    renamable $r3 = tLDRpci %const.0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
357    $lr = t2DoLoopStart renamable $lr
358    renamable $q1 = MVE_VDUP32 killed renamable $r3, 0, $noreg, $noreg, undef renamable $q1
359    renamable $r2, dead $cpsr = tLSRri killed renamable $r2, 2, 14 /* CC::al */, $noreg
360    $s4 = VMOVS killed $s0, 14 /* CC::al */, $noreg, implicit killed $q1, implicit-def $q1
361
362  bb.2.vector.body:
363    successors: %bb.2(0x7c000000), %bb.3(0x04000000)
364    liveins: $lr, $q1, $r0, $r1, $r2
365
366    renamable $vpr = MVE_VCTP32 renamable $r2, 0, $noreg, $noreg
367    renamable $r2, dead $cpsr = tSUBi8 killed renamable $r2, 4, 14 /* CC::al */, $noreg
368    renamable $lr = t2LoopDec killed renamable $lr, 1
369    MVE_VPST 2, implicit $vpr
370    renamable $r0, renamable $q0 = MVE_VLDRWU32_post killed renamable $r0, 16, 1, renamable $vpr, $noreg :: (load (s128) from %ir.lsr.iv13, align 4)
371    renamable $r1, renamable $q2 = MVE_VLDRWU32_post killed renamable $r1, 16, 1, renamable $vpr, $noreg :: (load (s128) from %ir.lsr.iv1416, align 4)
372    renamable $q1 = MVE_VFMAf32 killed renamable $q1, killed renamable $q2, killed renamable $q0, 1, killed renamable $vpr, $noreg
373    t2LoopEnd renamable $lr, %bb.2, implicit-def dead $cpsr
374    tB %bb.3, 14 /* CC::al */, $noreg
375
376  bb.3.middle.block:
377    liveins: $q1
378
379    renamable $s0 = nnan ninf nsz arcp contract afn reassoc VADDS renamable $s6, renamable $s7, 14 /* CC::al */, $noreg
380    renamable $s2 = nnan ninf nsz arcp contract afn reassoc VADDS killed renamable $s4, killed renamable $s5, 14 /* CC::al */, $noreg, implicit $q1
381    renamable $s0 = nnan ninf nsz arcp contract afn reassoc VADDS killed renamable $s2, killed renamable $s0, 14 /* CC::al */, $noreg
382    $sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr
383    tBX_RET 14 /* CC::al */, $noreg, implicit killed $s0
384
385  bb.4 (align 4):
386    CONSTPOOL_ENTRY 0, %const.0, 4
387
388...
389