1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -mtriple=armv8.1m.main -mattr=+mve -S -mve-tail-predication -tail-predication=enabled %s -o - | FileCheck %s
4 define void @mat_vec_sext_i16(ptr nocapture readonly %A, ptr nocapture readonly %B, ptr noalias nocapture %C, i32 %N) {
5 ; CHECK-LABEL: @mat_vec_sext_i16(
7 ; CHECK-NEXT: [[CMP24:%.*]] = icmp eq i32 [[N:%.*]], 0
8 ; CHECK-NEXT: br i1 [[CMP24]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_COND1_PREHEADER_US_PREHEADER:%.*]]
9 ; CHECK: for.cond1.preheader.us.preheader:
10 ; CHECK-NEXT: [[N_RND_UP:%.*]] = add i32 [[N]], 3
11 ; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[N_RND_UP]], -4
12 ; CHECK-NEXT: [[TT:%.*]] = add i32 [[N_VEC]], -4
13 ; CHECK-NEXT: [[TT1:%.*]] = lshr i32 [[TT]], 2
14 ; CHECK-NEXT: [[TT2:%.*]] = add nuw nsw i32 [[TT1]], 1
15 ; CHECK-NEXT: br label [[FOR_COND1_PREHEADER_US:%.*]]
16 ; CHECK: for.cond1.preheader.us:
17 ; CHECK-NEXT: [[I_025_US:%.*]] = phi i32 [ [[INC10_US:%.*]], [[MIDDLE_BLOCK:%.*]] ], [ 0, [[FOR_COND1_PREHEADER_US_PREHEADER]] ]
18 ; CHECK-NEXT: [[ARRAYIDX_US:%.*]] = getelementptr inbounds ptr, ptr [[A:%.*]], i32 [[I_025_US]]
19 ; CHECK-NEXT: [[TT3:%.*]] = load ptr, ptr [[ARRAYIDX_US]], align 4
20 ; CHECK-NEXT: [[ARRAYIDX8_US:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i32 [[I_025_US]]
21 ; CHECK-NEXT: [[ARRAYIDX8_PROMOTED_US:%.*]] = load i32, ptr [[ARRAYIDX8_US]], align 4
22 ; CHECK-NEXT: [[TT4:%.*]] = insertelement <4 x i32> <i32 undef, i32 0, i32 0, i32 0>, i32 [[ARRAYIDX8_PROMOTED_US]], i32 0
23 ; CHECK-NEXT: [[START:%.*]] = call i32 @llvm.start.loop.iterations.i32(i32 [[TT2]])
24 ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
26 ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[FOR_COND1_PREHEADER_US]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
27 ; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ [[TT4]], [[FOR_COND1_PREHEADER_US]] ], [ [[TT14:%.*]], [[VECTOR_BODY]] ]
28 ; CHECK-NEXT: [[TT5:%.*]] = phi i32 [ [[START]], [[FOR_COND1_PREHEADER_US]] ], [ [[TT15:%.*]], [[VECTOR_BODY]] ]
29 ; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ [[N]], [[FOR_COND1_PREHEADER_US]] ], [ [[TMP2:%.*]], [[VECTOR_BODY]] ]
30 ; CHECK-NEXT: [[TT6:%.*]] = getelementptr inbounds i16, ptr [[TT3]], i32 [[INDEX]]
31 ; CHECK-NEXT: [[TMP1:%.*]] = call <4 x i1> @llvm.arm.mve.vctp32(i32 [[TMP0]])
32 ; CHECK-NEXT: [[TMP2]] = sub i32 [[TMP0]], 4
33 ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x i16> @llvm.masked.load.v4i16.p0(ptr [[TT6]], i32 2, <4 x i1> [[TMP1]], <4 x i16> undef)
34 ; CHECK-NEXT: [[TT9:%.*]] = sext <4 x i16> [[WIDE_MASKED_LOAD]] to <4 x i32>
35 ; CHECK-NEXT: [[TT10:%.*]] = getelementptr inbounds i16, ptr [[B:%.*]], i32 [[INDEX]]
36 ; CHECK-NEXT: [[WIDE_MASKED_LOAD30:%.*]] = call <4 x i16> @llvm.masked.load.v4i16.p0(ptr [[TT10]], i32 2, <4 x i1> [[TMP1]], <4 x i16> undef)
37 ; CHECK-NEXT: [[TT12:%.*]] = sext <4 x i16> [[WIDE_MASKED_LOAD30]] to <4 x i32>
38 ; CHECK-NEXT: [[TT13:%.*]] = mul nsw <4 x i32> [[TT12]], [[TT9]]
39 ; CHECK-NEXT: [[TT14]] = add nsw <4 x i32> [[TT13]], [[VEC_PHI]]
40 ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
41 ; CHECK-NEXT: [[TT15]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[TT5]], i32 1)
42 ; CHECK-NEXT: [[TT16:%.*]] = icmp ne i32 [[TT15]], 0
43 ; CHECK-NEXT: br i1 [[TT16]], label [[VECTOR_BODY]], label [[MIDDLE_BLOCK]]
44 ; CHECK: middle.block:
45 ; CHECK-NEXT: [[TT17:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[TT14]], <4 x i32> [[VEC_PHI]]
46 ; CHECK-NEXT: [[TT18:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TT17]])
47 ; CHECK-NEXT: store i32 [[TT18]], ptr [[ARRAYIDX8_US]], align 4
48 ; CHECK-NEXT: [[INC10_US]] = add nuw i32 [[I_025_US]], 1
49 ; CHECK-NEXT: [[EXITCOND27:%.*]] = icmp eq i32 [[INC10_US]], [[N]]
50 ; CHECK-NEXT: br i1 [[EXITCOND27]], label [[FOR_COND_CLEANUP]], label [[FOR_COND1_PREHEADER_US]]
51 ; CHECK: for.cond.cleanup:
52 ; CHECK-NEXT: ret void
55 %cmp24 = icmp eq i32 %N, 0
56 br i1 %cmp24, label %for.cond.cleanup, label %for.cond1.preheader.us.preheader
58 for.cond1.preheader.us.preheader: ; preds = %entry
59 %n.rnd.up = add i32 %N, 3
60 %n.vec = and i32 %n.rnd.up, -4
61 %tt = add i32 %n.vec, -4
62 %tt1 = lshr i32 %tt, 2
63 %tt2 = add nuw nsw i32 %tt1, 1
64 br label %for.cond1.preheader.us
66 for.cond1.preheader.us: ; preds = %middle.block, %for.cond1.preheader.us.preheader
67 %i.025.us = phi i32 [ %inc10.us, %middle.block ], [ 0, %for.cond1.preheader.us.preheader ]
68 %arrayidx.us = getelementptr inbounds ptr, ptr %A, i32 %i.025.us
69 %tt3 = load ptr, ptr %arrayidx.us, align 4
70 %arrayidx8.us = getelementptr inbounds i32, ptr %C, i32 %i.025.us
71 %arrayidx8.promoted.us = load i32, ptr %arrayidx8.us, align 4
72 %tt4 = insertelement <4 x i32> <i32 undef, i32 0, i32 0, i32 0>, i32 %arrayidx8.promoted.us, i32 0
73 %start = call i32 @llvm.start.loop.iterations.i32(i32 %tt2)
76 vector.body: ; preds = %vector.body, %for.cond1.preheader.us
77 %index = phi i32 [ 0, %for.cond1.preheader.us ], [ %index.next, %vector.body ]
78 %vec.phi = phi <4 x i32> [ %tt4, %for.cond1.preheader.us ], [ %tt14, %vector.body ]
79 %tt5 = phi i32 [ %start, %for.cond1.preheader.us ], [ %tt15, %vector.body ]
80 %tt6 = getelementptr inbounds i16, ptr %tt3, i32 %index
81 %tt7 = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %index, i32 %N)
82 %wide.masked.load = call <4 x i16> @llvm.masked.load.v4i16.p0(ptr %tt6, i32 2, <4 x i1> %tt7, <4 x i16> undef)
83 %tt9 = sext <4 x i16> %wide.masked.load to <4 x i32>
84 %tt10 = getelementptr inbounds i16, ptr %B, i32 %index
85 %wide.masked.load30 = call <4 x i16> @llvm.masked.load.v4i16.p0(ptr %tt10, i32 2, <4 x i1> %tt7, <4 x i16> undef)
86 %tt12 = sext <4 x i16> %wide.masked.load30 to <4 x i32>
87 %tt13 = mul nsw <4 x i32> %tt12, %tt9
88 %tt14 = add nsw <4 x i32> %tt13, %vec.phi
89 %index.next = add i32 %index, 4
90 %tt15 = call i32 @llvm.loop.decrement.reg.i32(i32 %tt5, i32 1)
91 %tt16 = icmp ne i32 %tt15, 0
92 br i1 %tt16, label %vector.body, label %middle.block
94 middle.block: ; preds = %vector.body
95 %tt17 = select <4 x i1> %tt7, <4 x i32> %tt14, <4 x i32> %vec.phi
96 %tt18 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %tt17)
97 store i32 %tt18, ptr %arrayidx8.us, align 4
98 %inc10.us = add nuw i32 %i.025.us, 1
99 %exitcond27 = icmp eq i32 %inc10.us, %N
100 br i1 %exitcond27, label %for.cond.cleanup, label %for.cond1.preheader.us
102 for.cond.cleanup: ; preds = %middle.block, %entry
106 define void @mat_vec_i32(ptr nocapture readonly %A, ptr nocapture readonly %B, ptr noalias nocapture %C, i32 %N) {
107 ; CHECK-LABEL: @mat_vec_i32(
109 ; CHECK-NEXT: [[CMP23:%.*]] = icmp eq i32 [[N:%.*]], 0
110 ; CHECK-NEXT: br i1 [[CMP23]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_COND1_PREHEADER_US_PREHEADER:%.*]]
111 ; CHECK: for.cond1.preheader.us.preheader:
112 ; CHECK-NEXT: [[N_RND_UP:%.*]] = add i32 [[N]], 3
113 ; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[N_RND_UP]], -4
114 ; CHECK-NEXT: [[TT:%.*]] = add i32 [[N_VEC]], -4
115 ; CHECK-NEXT: [[TT1:%.*]] = lshr i32 [[TT]], 2
116 ; CHECK-NEXT: [[TT2:%.*]] = add nuw nsw i32 [[TT1]], 1
117 ; CHECK-NEXT: br label [[FOR_COND1_PREHEADER_US:%.*]]
118 ; CHECK: for.cond1.preheader.us:
119 ; CHECK-NEXT: [[I_024_US:%.*]] = phi i32 [ [[INC9_US:%.*]], [[MIDDLE_BLOCK:%.*]] ], [ 0, [[FOR_COND1_PREHEADER_US_PREHEADER]] ]
120 ; CHECK-NEXT: [[ARRAYIDX_US:%.*]] = getelementptr inbounds ptr, ptr [[A:%.*]], i32 [[I_024_US]]
121 ; CHECK-NEXT: [[TT3:%.*]] = load ptr, ptr [[ARRAYIDX_US]], align 4
122 ; CHECK-NEXT: [[ARRAYIDX7_US:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i32 [[I_024_US]]
123 ; CHECK-NEXT: [[ARRAYIDX7_PROMOTED_US:%.*]] = load i32, ptr [[ARRAYIDX7_US]], align 4
124 ; CHECK-NEXT: [[TT4:%.*]] = insertelement <4 x i32> <i32 undef, i32 0, i32 0, i32 0>, i32 [[ARRAYIDX7_PROMOTED_US]], i32 0
125 ; CHECK-NEXT: [[START:%.*]] = call i32 @llvm.start.loop.iterations.i32(i32 [[TT2]])
126 ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
127 ; CHECK: vector.body:
128 ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[FOR_COND1_PREHEADER_US]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
129 ; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ [[TT4]], [[FOR_COND1_PREHEADER_US]] ], [ [[TT12:%.*]], [[VECTOR_BODY]] ]
130 ; CHECK-NEXT: [[TT5:%.*]] = phi i32 [ [[START]], [[FOR_COND1_PREHEADER_US]] ], [ [[TT13:%.*]], [[VECTOR_BODY]] ]
131 ; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ [[N]], [[FOR_COND1_PREHEADER_US]] ], [ [[TMP2:%.*]], [[VECTOR_BODY]] ]
132 ; CHECK-NEXT: [[TT6:%.*]] = getelementptr inbounds i32, ptr [[TT3]], i32 [[INDEX]]
133 ; CHECK-NEXT: [[TMP1:%.*]] = call <4 x i1> @llvm.arm.mve.vctp32(i32 [[TMP0]])
134 ; CHECK-NEXT: [[TMP2]] = sub i32 [[TMP0]], 4
135 ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0(ptr [[TT6]], i32 4, <4 x i1> [[TMP1]], <4 x i32> undef)
136 ; CHECK-NEXT: [[TT9:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i32 [[INDEX]]
137 ; CHECK-NEXT: [[WIDE_MASKED_LOAD29:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0(ptr [[TT9]], i32 4, <4 x i1> [[TMP1]], <4 x i32> undef)
138 ; CHECK-NEXT: [[TT11:%.*]] = mul nsw <4 x i32> [[WIDE_MASKED_LOAD29]], [[WIDE_MASKED_LOAD]]
139 ; CHECK-NEXT: [[TT12]] = add nsw <4 x i32> [[VEC_PHI]], [[TT11]]
140 ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
141 ; CHECK-NEXT: [[TT13]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[TT5]], i32 1)
142 ; CHECK-NEXT: [[TT14:%.*]] = icmp ne i32 [[TT13]], 0
143 ; CHECK-NEXT: br i1 [[TT14]], label [[VECTOR_BODY]], label [[MIDDLE_BLOCK]]
144 ; CHECK: middle.block:
145 ; CHECK-NEXT: [[TT15:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[TT12]], <4 x i32> [[VEC_PHI]]
146 ; CHECK-NEXT: [[TT16:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TT15]])
147 ; CHECK-NEXT: store i32 [[TT16]], ptr [[ARRAYIDX7_US]], align 4
148 ; CHECK-NEXT: [[INC9_US]] = add nuw i32 [[I_024_US]], 1
149 ; CHECK-NEXT: [[EXITCOND26:%.*]] = icmp eq i32 [[INC9_US]], [[N]]
150 ; CHECK-NEXT: br i1 [[EXITCOND26]], label [[FOR_COND_CLEANUP]], label [[FOR_COND1_PREHEADER_US]]
151 ; CHECK: for.cond.cleanup:
152 ; CHECK-NEXT: ret void
155 %cmp23 = icmp eq i32 %N, 0
156 br i1 %cmp23, label %for.cond.cleanup, label %for.cond1.preheader.us.preheader
158 for.cond1.preheader.us.preheader: ; preds = %entry
159 %n.rnd.up = add i32 %N, 3
160 %n.vec = and i32 %n.rnd.up, -4
161 %tt = add i32 %n.vec, -4
162 %tt1 = lshr i32 %tt, 2
163 %tt2 = add nuw nsw i32 %tt1, 1
164 br label %for.cond1.preheader.us
166 for.cond1.preheader.us: ; preds = %middle.block, %for.cond1.preheader.us.preheader
167 %i.024.us = phi i32 [ %inc9.us, %middle.block ], [ 0, %for.cond1.preheader.us.preheader ]
168 %arrayidx.us = getelementptr inbounds ptr, ptr %A, i32 %i.024.us
169 %tt3 = load ptr, ptr %arrayidx.us, align 4
170 %arrayidx7.us = getelementptr inbounds i32, ptr %C, i32 %i.024.us
171 %arrayidx7.promoted.us = load i32, ptr %arrayidx7.us, align 4
172 %tt4 = insertelement <4 x i32> <i32 undef, i32 0, i32 0, i32 0>, i32 %arrayidx7.promoted.us, i32 0
173 %start = call i32 @llvm.start.loop.iterations.i32(i32 %tt2)
174 br label %vector.body
176 vector.body: ; preds = %vector.body, %for.cond1.preheader.us
177 %index = phi i32 [ 0, %for.cond1.preheader.us ], [ %index.next, %vector.body ]
178 %vec.phi = phi <4 x i32> [ %tt4, %for.cond1.preheader.us ], [ %tt12, %vector.body ]
179 %tt5 = phi i32 [ %start, %for.cond1.preheader.us ], [ %tt13, %vector.body ]
180 %tt6 = getelementptr inbounds i32, ptr %tt3, i32 %index
181 %tt7 = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %index, i32 %N)
182 %wide.masked.load = call <4 x i32> @llvm.masked.load.v4i32.p0(ptr %tt6, i32 4, <4 x i1> %tt7, <4 x i32> undef)
183 %tt9 = getelementptr inbounds i32, ptr %B, i32 %index
184 %wide.masked.load29 = call <4 x i32> @llvm.masked.load.v4i32.p0(ptr %tt9, i32 4, <4 x i1> %tt7, <4 x i32> undef)
185 %tt11 = mul nsw <4 x i32> %wide.masked.load29, %wide.masked.load
186 %tt12 = add nsw <4 x i32> %vec.phi, %tt11
187 %index.next = add i32 %index, 4
188 %tt13 = call i32 @llvm.loop.decrement.reg.i32(i32 %tt5, i32 1)
189 %tt14 = icmp ne i32 %tt13, 0
190 br i1 %tt14, label %vector.body, label %middle.block
192 middle.block: ; preds = %vector.body
193 %tt15 = select <4 x i1> %tt7, <4 x i32> %tt12, <4 x i32> %vec.phi
194 %tt16 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %tt15)
195 store i32 %tt16, ptr %arrayidx7.us, align 4
196 %inc9.us = add nuw i32 %i.024.us, 1
197 %exitcond26 = icmp eq i32 %inc9.us, %N
198 br i1 %exitcond26, label %for.cond.cleanup, label %for.cond1.preheader.us
200 for.cond.cleanup: ; preds = %middle.block, %entry
205 ; Function Attrs: argmemonly nounwind readonly willreturn
206 declare <4 x i32> @llvm.masked.load.v4i32.p0(ptr, i32 immarg, <4 x i1>, <4 x i32>) #0
208 ; Function Attrs: argmemonly nounwind readonly willreturn
209 declare <4 x i16> @llvm.masked.load.v4i16.p0(ptr, i32 immarg, <4 x i1>, <4 x i16>) #0
211 ; Function Attrs: nounwind readnone willreturn
212 declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>) #1
214 ; Function Attrs: noduplicate nounwind
215 declare i32 @llvm.start.loop.iterations.i32(i32) #2
217 ; Function Attrs: noduplicate nounwind
218 declare i32 @llvm.loop.decrement.reg.i32(i32, i32) #2
220 declare <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32, i32)
222 attributes #0 = { argmemonly nounwind readonly willreturn }
223 attributes #1 = { nounwind readnone willreturn }
224 attributes #2 = { noduplicate nounwind }