1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve -run-pass=arm-low-overhead-loops --verify-machineinstrs %s -o - | FileCheck %s
5 define hidden i32 @arm_elementwise_mul_s8(ptr %input_1_vect, ptr %input_2_vect, i32 %input_1_offset, i32 %input_2_offset, ptr %output, i32 %out_offset, i32 %out_mult, i32 %out_shift, i32 %out_activation_min, i32 %out_activation_max, i32 %block_size) local_unnamed_addr #0 {
7 %add = add i32 %block_size, 3
8 %div = lshr i32 %add, 2
9 %0 = call i1 @llvm.test.set.loop.iterations.i32(i32 %div)
10 br i1 %0, label %for.body.lr.ph, label %for.cond.cleanup
12 for.body.lr.ph: ; preds = %entry
13 %.splatinsert.i41 = insertelement <4 x i32> undef, i32 %out_activation_min, i32 0
14 %.splat.i42 = shufflevector <4 x i32> %.splatinsert.i41, <4 x i32> undef, <4 x i32> zeroinitializer
15 %.splatinsert.i = insertelement <4 x i32> undef, i32 %out_activation_max, i32 0
16 %.splat.i = shufflevector <4 x i32> %.splatinsert.i, <4 x i32> undef, <4 x i32> zeroinitializer
19 for.cond.cleanup: ; preds = %for.body, %entry
22 for.body: ; preds = %for.body, %for.body.lr.ph
23 %input_1_vect.addr.052 = phi ptr [ %input_1_vect, %for.body.lr.ph ], [ %add.ptr, %for.body ]
24 %input_2_vect.addr.051 = phi ptr [ %input_2_vect, %for.body.lr.ph ], [ %add.ptr14, %for.body ]
25 %output.addr.050 = phi ptr [ %output, %for.body.lr.ph ], [ %add.ptr15, %for.body ]
26 %num_elements.049 = phi i32 [ %block_size, %for.body.lr.ph ], [ %sub, %for.body ]
27 %iv = phi i32 [ %div, %for.body.lr.ph ], [ %iv.next, %for.body ]
28 %output_cast = bitcast ptr %output.addr.050 to ptr
29 %input_2_cast = bitcast ptr %input_2_vect.addr.051 to ptr
30 %input_1_cast = bitcast ptr %input_1_vect.addr.052 to ptr
31 %pred = tail call <4 x i1> @llvm.arm.mve.vctp32(i32 %num_elements.049)
32 %load.1 = tail call <4 x i32> @llvm.masked.load.v4i32.p0(ptr %input_1_cast, i32 4, <4 x i1> %pred, <4 x i32> undef)
33 %insert.input_1_offset = insertelement <4 x i32> undef, i32 %input_1_offset, i32 0
34 %splat.input_1_offset = shufflevector <4 x i32> %insert.input_1_offset, <4 x i32> undef, <4 x i32> zeroinitializer
35 %insert.input_2_offset = insertelement <4 x i32> undef, i32 %input_2_offset, i32 0
36 %splat.input_2_offset = shufflevector <4 x i32> %insert.input_2_offset, <4 x i32> undef, <4 x i32> zeroinitializer
37 %add.1 = add <4 x i32> %load.1, %splat.input_1_offset
38 %load.2 = tail call <4 x i32> @llvm.masked.load.v4i32.p0(ptr %input_2_cast, i32 4, <4 x i1> %pred, <4 x i32> undef)
39 %add.2 = add <4 x i32> %load.2, %splat.input_2_offset
40 %mul = mul <4 x i32> %add.1, %add.2
41 %insert.output = insertelement <4 x i32> undef, i32 %out_offset, i32 0
42 %splat.output = shufflevector <4 x i32> %insert.output, <4 x i32> undef, <4 x i32> zeroinitializer
43 %add7 = add <4 x i32> %mul, %splat.output
44 %max = tail call <4 x i32> @llvm.arm.mve.max.predicated.v4i32.v4i1(<4 x i32> %add7, <4 x i32> %.splat.i42, i32 1, <4 x i1> %pred, <4 x i32> undef)
45 %min = tail call <4 x i32> @llvm.arm.mve.min.predicated.v4i32.v4i1(<4 x i32> %max, <4 x i32> %.splat.i, i32 1, <4 x i1> %pred, <4 x i32> undef)
46 tail call void @llvm.masked.store.v4i32.p0(<4 x i32> %min, ptr %output_cast, i32 4, <4 x i1> %pred)
47 %add.ptr = getelementptr inbounds i8, ptr %input_1_vect.addr.052, i32 4
48 %add.ptr14 = getelementptr inbounds i8, ptr %input_2_vect.addr.051, i32 4
49 %add.ptr15 = getelementptr inbounds i8, ptr %output.addr.050, i32 4
50 %sub = add i32 %num_elements.049, -4
51 %iv.next = call i32 @llvm.loop.decrement.reg.i32.i32.i32(i32 %iv, i32 1)
52 %cmp = icmp ne i32 %iv.next, 0
53 br i1 %cmp, label %for.body, label %for.cond.cleanup
55 declare <4 x i1> @llvm.arm.mve.vctp32(i32) #1
56 declare <4 x i32> @llvm.masked.load.v4i32.p0(ptr, i32 immarg, <4 x i1>, <4 x i32>) #2
57 declare void @llvm.masked.store.v4i32.p0(<4 x i32>, ptr, i32 immarg, <4 x i1>) #3
58 declare <4 x i32> @llvm.arm.mve.max.predicated.v4i32.v4i1(<4 x i32>, <4 x i32>, i32, <4 x i1>, <4 x i32>) #1
59 declare <4 x i32> @llvm.arm.mve.min.predicated.v4i32.v4i1(<4 x i32>, <4 x i32>, i32, <4 x i1>, <4 x i32>) #1
60 declare i1 @llvm.test.set.loop.iterations.i32(i32) #4
61 declare i32 @llvm.loop.decrement.reg.i32.i32.i32(i32, i32) #4
62 declare void @llvm.stackprotector(ptr, ptr) #5
65 name: arm_elementwise_mul_s8
67 exposesReturnsTwice: false
69 regBankSelected: false
72 tracksRegLiveness: true
76 - { reg: '$r0', virtual-reg: '' }
77 - { reg: '$r1', virtual-reg: '' }
78 - { reg: '$r2', virtual-reg: '' }
79 - { reg: '$r3', virtual-reg: '' }
81 isFrameAddressTaken: false
82 isReturnAddressTaken: false
92 cvBytesOfCalleeSavedRegisters: 0
93 hasOpaqueSPAdjustment: false
95 hasMustTailInVarArgFunc: false
100 - { id: 0, type: default, offset: 24, size: 4, alignment: 8, stack-id: default,
101 isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
102 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
103 - { id: 1, type: default, offset: 20, size: 4, alignment: 4, stack-id: default,
104 isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
105 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
106 - { id: 2, type: default, offset: 16, size: 4, alignment: 8, stack-id: default,
107 isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
108 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
109 - { id: 3, type: default, offset: 12, size: 4, alignment: 4, stack-id: default,
110 isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
111 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
112 - { id: 4, type: default, offset: 8, size: 4, alignment: 8, stack-id: default,
113 isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
114 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
115 - { id: 5, type: default, offset: 4, size: 4, alignment: 4, stack-id: default,
116 isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
117 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
118 - { id: 6, type: default, offset: 0, size: 4, alignment: 8, stack-id: default,
119 isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
120 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
122 - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
123 stack-id: default, callee-saved-register: '$lr', callee-saved-restored: false,
124 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
125 - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
126 stack-id: default, callee-saved-register: '$r7', callee-saved-restored: true,
127 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
128 - { id: 2, name: '', type: spill-slot, offset: -12, size: 4, alignment: 4,
129 stack-id: default, callee-saved-register: '$r6', callee-saved-restored: true,
130 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
131 - { id: 3, name: '', type: spill-slot, offset: -16, size: 4, alignment: 4,
132 stack-id: default, callee-saved-register: '$r5', callee-saved-restored: true,
133 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
134 - { id: 4, name: '', type: spill-slot, offset: -20, size: 4, alignment: 4,
135 stack-id: default, callee-saved-register: '$r4', callee-saved-restored: true,
136 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
139 machineFunctionInfo: {}
141 ; CHECK-LABEL: name: arm_elementwise_mul_s8
143 ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.3(0x40000000)
144 ; CHECK-NEXT: liveins: $lr, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7
146 ; CHECK-NEXT: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $lr, implicit-def $sp, implicit $sp
147 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 20
148 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4
149 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -8
150 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r6, -12
151 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r5, -16
152 ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r4, -20
153 ; CHECK-NEXT: renamable $r12 = t2LDRi12 $sp, 44, 14 /* CC::al */, $noreg :: (load (s32) from %fixed-stack.6, align 8)
154 ; CHECK-NEXT: $lr = MVE_WLSTP_32 killed renamable $r12, %bb.3
156 ; CHECK-NEXT: bb.1.for.body.lr.ph:
157 ; CHECK-NEXT: successors: %bb.2(0x80000000)
158 ; CHECK-NEXT: liveins: $lr, $r0, $r1, $r2, $r3
160 ; CHECK-NEXT: $r7, $r6 = t2LDRDi8 $sp, 36, 14 /* CC::al */, $noreg :: (load (s32) from %fixed-stack.4, align 8), (load (s32) from %fixed-stack.5)
161 ; CHECK-NEXT: $r5, $r4 = t2LDRDi8 $sp, 20, 14 /* CC::al */, $noreg :: (load (s32) from %fixed-stack.0, align 8), (load (s32) from %fixed-stack.1)
162 ; CHECK-NEXT: renamable $q0 = MVE_VDUP32 killed renamable $r6, 0, $noreg, $noreg, undef renamable $q0
163 ; CHECK-NEXT: renamable $q1 = MVE_VDUP32 killed renamable $r7, 0, $noreg, $noreg, undef renamable $q1
165 ; CHECK-NEXT: bb.2.for.body:
166 ; CHECK-NEXT: successors: %bb.2(0x7c000000), %bb.3(0x04000000)
167 ; CHECK-NEXT: liveins: $lr, $q0, $q1, $r0, $r1, $r2, $r3, $r4, $r5
169 ; CHECK-NEXT: renamable $r1, renamable $q2 = MVE_VLDRWU32_post killed renamable $r1, 4, 0, $noreg, $noreg :: (load (s128) from %ir.input_2_cast, align 4)
170 ; CHECK-NEXT: renamable $r0, renamable $q3 = MVE_VLDRWU32_post killed renamable $r0, 4, 0, $noreg, $noreg :: (load (s128) from %ir.input_1_cast, align 4)
171 ; CHECK-NEXT: renamable $q2 = MVE_VADD_qr_i32 killed renamable $q2, renamable $r3, 0, $noreg, $noreg, undef renamable $q2
172 ; CHECK-NEXT: renamable $q3 = MVE_VADD_qr_i32 killed renamable $q3, renamable $r2, 0, $noreg, $noreg, undef renamable $q3
173 ; CHECK-NEXT: renamable $q2 = MVE_VMULi32 killed renamable $q3, killed renamable $q2, 0, $noreg, $noreg, undef renamable $q2
174 ; CHECK-NEXT: renamable $q2 = MVE_VADD_qr_i32 killed renamable $q2, renamable $r4, 0, $noreg, $noreg, undef renamable $q2
175 ; CHECK-NEXT: renamable $q2 = MVE_VMAXu32 killed renamable $q2, renamable $q1, 0, $noreg, $noreg, undef renamable $q2
176 ; CHECK-NEXT: renamable $q2 = MVE_VMINu32 killed renamable $q2, renamable $q0, 0, $noreg, $noreg, undef renamable $q2
177 ; CHECK-NEXT: renamable $r5 = MVE_VSTRWU32_post killed renamable $q2, killed renamable $r5, 4, 0, killed $noreg, $noreg :: (store (s128) into %ir.output_cast, align 4)
178 ; CHECK-NEXT: $lr = MVE_LETP killed renamable $lr, %bb.2
180 ; CHECK-NEXT: bb.3.for.cond.cleanup:
181 ; CHECK-NEXT: $r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
182 ; CHECK-NEXT: tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r6, def $r7, def $pc, implicit killed $r0
184 successors: %bb.1(0x40000000), %bb.3(0x40000000)
185 liveins: $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $lr
187 frame-setup tPUSH 14, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $lr, implicit-def $sp, implicit $sp
188 frame-setup CFI_INSTRUCTION def_cfa_offset 20
189 frame-setup CFI_INSTRUCTION offset $lr, -4
190 frame-setup CFI_INSTRUCTION offset $r7, -8
191 frame-setup CFI_INSTRUCTION offset $r6, -12
192 frame-setup CFI_INSTRUCTION offset $r5, -16
193 frame-setup CFI_INSTRUCTION offset $r4, -20
194 renamable $r12 = t2LDRi12 $sp, 44, 14, $noreg :: (load (s32) from %fixed-stack.0, align 8)
195 renamable $r5 = t2ADDri renamable $r12, 3, 14, $noreg, $noreg
196 renamable $lr = t2LSRri killed renamable $r5, 2, 14, $noreg, $noreg
197 $lr = t2WhileLoopStartLR renamable $lr, %bb.3, implicit-def dead $cpsr
201 successors: %bb.2(0x80000000)
202 liveins: $lr, $r0, $r1, $r2, $r3, $r12
204 $r7, $r6 = t2LDRDi8 $sp, 36, 14, $noreg :: (load (s32) from %fixed-stack.2, align 8), (load (s32) from %fixed-stack.1)
205 $r5, $r4 = t2LDRDi8 $sp, 20, 14, $noreg :: (load (s32) from %fixed-stack.6, align 8), (load (s32) from %fixed-stack.5)
206 renamable $q0 = MVE_VDUP32 killed renamable $r6, 0, $noreg, $noreg, undef renamable $q0
207 renamable $q1 = MVE_VDUP32 killed renamable $r7, 0, $noreg, $noreg, undef renamable $q1
210 successors: %bb.2(0x7c000000), %bb.3(0x04000000)
211 liveins: $lr, $q0, $q1, $r0, $r1, $r2, $r3, $r4, $r5, $r12
213 renamable $vpr = MVE_VCTP32 renamable $r12, 0, $noreg, $noreg
214 MVE_VPST 8, implicit $vpr
215 renamable $r1, renamable $q2 = MVE_VLDRWU32_post killed renamable $r1, 4, 1, renamable $vpr, $noreg :: (load (s128) from %ir.input_2_cast, align 4)
216 MVE_VPST 8, implicit $vpr
217 renamable $r0, renamable $q3 = MVE_VLDRWU32_post killed renamable $r0, 4, 1, renamable $vpr, $noreg :: (load (s128) from %ir.input_1_cast, align 4)
218 renamable $q2 = MVE_VADD_qr_i32 killed renamable $q2, renamable $r3, 0, $noreg, $noreg, undef renamable $q2
219 renamable $q3 = MVE_VADD_qr_i32 killed renamable $q3, renamable $r2, 0, $noreg, $noreg, undef renamable $q3
220 renamable $r12 = t2SUBri killed renamable $r12, 4, 14, $noreg, $noreg
221 renamable $q2 = MVE_VMULi32 killed renamable $q3, killed renamable $q2, 0, $noreg, $noreg, undef renamable $q2
222 renamable $q2 = MVE_VADD_qr_i32 killed renamable $q2, renamable $r4, 0, $noreg, $noreg, undef renamable $q2
223 MVE_VPST 2, implicit $vpr
224 renamable $q2 = MVE_VMAXu32 killed renamable $q2, renamable $q1, 1, renamable $vpr, $noreg, undef renamable $q2
225 renamable $q2 = MVE_VMINu32 killed renamable $q2, renamable $q0, 1, renamable $vpr, $noreg, undef renamable $q2
226 renamable $r5 = MVE_VSTRWU32_post killed renamable $q2, killed renamable $r5, 4, 1, killed renamable $vpr, $noreg :: (store (s128) into %ir.output_cast, align 4)
227 renamable $lr = t2LoopDec killed renamable $lr, 1
228 t2LoopEnd renamable $lr, %bb.2, implicit-def dead $cpsr
231 bb.3.for.cond.cleanup:
232 $r0, dead $cpsr = tMOVi8 0, 14, $noreg
233 tPOP_RET 14, $noreg, def $r4, def $r5, def $r6, def $r7, def $pc, implicit killed $r0