1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -loop-vectorize -S -mattr=avx512f  -instcombine < %s | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7; first test checks that loop with a reduction and a uniform store gets
8; vectorized.
9
10define i32 @inv_val_store_to_inv_address_with_reduction(i32* %a, i64 %n, i32* %b) {
11; CHECK-LABEL: @inv_val_store_to_inv_address_with_reduction(
12; CHECK-NEXT:  iter.check:
13; CHECK-NEXT:    [[NTRUNC:%.*]] = trunc i64 [[N:%.*]] to i32
14; CHECK-NEXT:    [[SMAX6:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
15; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX6]], 8
16; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
17; CHECK:       vector.memcheck:
18; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 1
19; CHECK-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
20; CHECK-NEXT:    [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[SMAX]]
21; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[A]]
22; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[B]]
23; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
24; CHECK-NEXT:    br i1 [[FOUND_CONFLICT]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]]
25; CHECK:       vector.main.loop.iter.check:
26; CHECK-NEXT:    [[MIN_ITERS_CHECK7:%.*]] = icmp ult i64 [[SMAX6]], 64
27; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK7]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]]
28; CHECK:       vector.ph:
29; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX6]], 9223372036854775744
30; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
31; CHECK:       vector.body:
32; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
33; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
34; CHECK-NEXT:    [[VEC_PHI8:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ]
35; CHECK-NEXT:    [[VEC_PHI9:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
36; CHECK-NEXT:    [[VEC_PHI10:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
37; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
38; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>*
39; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <16 x i32>, <16 x i32>* [[TMP1]], align 8, !alias.scope !0
40; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 16
41; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <16 x i32>*
42; CHECK-NEXT:    [[WIDE_LOAD11:%.*]] = load <16 x i32>, <16 x i32>* [[TMP3]], align 8, !alias.scope !0
43; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 32
44; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <16 x i32>*
45; CHECK-NEXT:    [[WIDE_LOAD12:%.*]] = load <16 x i32>, <16 x i32>* [[TMP5]], align 8, !alias.scope !0
46; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 48
47; CHECK-NEXT:    [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <16 x i32>*
48; CHECK-NEXT:    [[WIDE_LOAD13:%.*]] = load <16 x i32>, <16 x i32>* [[TMP7]], align 8, !alias.scope !0
49; CHECK-NEXT:    [[TMP8]] = add <16 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
50; CHECK-NEXT:    [[TMP9]] = add <16 x i32> [[VEC_PHI8]], [[WIDE_LOAD11]]
51; CHECK-NEXT:    [[TMP10]] = add <16 x i32> [[VEC_PHI9]], [[WIDE_LOAD12]]
52; CHECK-NEXT:    [[TMP11]] = add <16 x i32> [[VEC_PHI10]], [[WIDE_LOAD13]]
53; CHECK-NEXT:    store i32 [[NTRUNC]], i32* [[A]], align 4, !alias.scope !3, !noalias !0
54; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 64
55; CHECK-NEXT:    [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
56; CHECK-NEXT:    br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
57; CHECK:       middle.block:
58; CHECK-NEXT:    [[BIN_RDX:%.*]] = add <16 x i32> [[TMP9]], [[TMP8]]
59; CHECK-NEXT:    [[BIN_RDX14:%.*]] = add <16 x i32> [[TMP10]], [[BIN_RDX]]
60; CHECK-NEXT:    [[BIN_RDX15:%.*]] = add <16 x i32> [[TMP11]], [[BIN_RDX14]]
61; CHECK-NEXT:    [[TMP13:%.*]] = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> [[BIN_RDX15]])
62; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX6]], [[N_VEC]]
63; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]]
64; CHECK:       vec.epilog.iter.check:
65; CHECK-NEXT:    [[N_VEC_REMAINING:%.*]] = and i64 [[SMAX6]], 56
66; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0
67; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]]
68; CHECK:       vec.epilog.ph:
69; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ], [ [[TMP13]], [[VEC_EPILOG_ITER_CHECK]] ]
70; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ]
71; CHECK-NEXT:    [[SMAX16:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
72; CHECK-NEXT:    [[N_VEC18:%.*]] = and i64 [[SMAX16]], 9223372036854775800
73; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <8 x i32> <i32 poison, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>, i32 [[BC_MERGE_RDX]], i64 0
74; CHECK-NEXT:    br label [[VEC_EPILOG_VECTOR_BODY:%.*]]
75; CHECK:       vec.epilog.vector.body:
76; CHECK-NEXT:    [[INDEX20:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT23:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
77; CHECK-NEXT:    [[VEC_PHI21:%.*]] = phi <8 x i32> [ [[TMP14]], [[VEC_EPILOG_PH]] ], [ [[TMP17:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
78; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX20]]
79; CHECK-NEXT:    [[TMP16:%.*]] = bitcast i32* [[TMP15]] to <8 x i32>*
80; CHECK-NEXT:    [[WIDE_LOAD22:%.*]] = load <8 x i32>, <8 x i32>* [[TMP16]], align 8
81; CHECK-NEXT:    [[TMP17]] = add <8 x i32> [[VEC_PHI21]], [[WIDE_LOAD22]]
82; CHECK-NEXT:    store i32 [[NTRUNC]], i32* [[A]], align 4
83; CHECK-NEXT:    [[INDEX_NEXT23]] = add nuw i64 [[INDEX20]], 8
84; CHECK-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT23]], [[N_VEC18]]
85; CHECK-NEXT:    br i1 [[TMP18]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
86; CHECK:       vec.epilog.middle.block:
87; CHECK-NEXT:    [[TMP19:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP17]])
88; CHECK-NEXT:    [[CMP_N19:%.*]] = icmp eq i64 [[SMAX16]], [[N_VEC18]]
89; CHECK-NEXT:    br i1 [[CMP_N19]], label [[FOR_END_LOOPEXIT:%.*]], label [[VEC_EPILOG_SCALAR_PH]]
90; CHECK:       vec.epilog.scalar.ph:
91; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC18]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
92; CHECK-NEXT:    [[BC_MERGE_RDX24:%.*]] = phi i32 [ [[TMP19]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[TMP13]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK]] ]
93; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
94; CHECK:       for.body:
95; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ]
96; CHECK-NEXT:    [[T0:%.*]] = phi i32 [ [[T3:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX24]], [[VEC_EPILOG_SCALAR_PH]] ]
97; CHECK-NEXT:    [[T1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[I]]
98; CHECK-NEXT:    [[T2:%.*]] = load i32, i32* [[T1]], align 8
99; CHECK-NEXT:    [[T3]] = add i32 [[T0]], [[T2]]
100; CHECK-NEXT:    store i32 [[NTRUNC]], i32* [[A]], align 4
101; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
102; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
103; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP9:![0-9]+]]
104; CHECK:       for.end.loopexit:
105; CHECK-NEXT:    [[T3_LCSSA:%.*]] = phi i32 [ [[T3]], [[FOR_BODY]] ], [ [[TMP19]], [[VEC_EPILOG_MIDDLE_BLOCK]] ]
106; CHECK-NEXT:    br label [[FOR_END]]
107; CHECK:       for.end:
108; CHECK-NEXT:    [[T4:%.*]] = phi i32 [ [[TMP13]], [[MIDDLE_BLOCK]] ], [ [[T3_LCSSA]], [[FOR_END_LOOPEXIT]] ]
109; CHECK-NEXT:    ret i32 [[T4]]
110;
111entry:
112  %ntrunc = trunc i64 %n to i32
113  br label %for.body
114
115for.body:                                         ; preds = %for.body, %entry
116  %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
117  %t0 = phi i32 [ %t3, %for.body ], [ 0, %entry ]
118  %t1 = getelementptr inbounds i32, i32* %b, i64 %i
119  %t2 = load i32, i32* %t1, align 8
120  %t3 = add i32 %t0, %t2
121  store i32 %ntrunc, i32* %a
122  %i.next = add nuw nsw i64 %i, 1
123  %cond = icmp slt i64 %i.next, %n
124  br i1 %cond, label %for.body, label %for.end
125
126for.end:                                          ; preds = %for.body
127  %t4 = phi i32 [ %t3, %for.body ]
128  ret i32 %t4
129}
130
131; Conditional store
132; if (b[i] == k) a = ntrunc
133define void @inv_val_store_to_inv_address_conditional(i32* %a, i64 %n, i32* %b, i32 %k) {
134; CHECK-LABEL: @inv_val_store_to_inv_address_conditional(
135; CHECK-NEXT:  iter.check:
136; CHECK-NEXT:    [[NTRUNC:%.*]] = trunc i64 [[N:%.*]] to i32
137; CHECK-NEXT:    [[SMAX6:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
138; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX6]], 8
139; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
140; CHECK:       vector.memcheck:
141; CHECK-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
142; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[SMAX]]
143; CHECK-NEXT:    [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 1
144; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[B]]
145; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[A]]
146; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
147; CHECK-NEXT:    br i1 [[FOUND_CONFLICT]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]]
148; CHECK:       vector.main.loop.iter.check:
149; CHECK-NEXT:    [[MIN_ITERS_CHECK7:%.*]] = icmp ult i64 [[SMAX6]], 16
150; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK7]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]]
151; CHECK:       vector.ph:
152; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX6]], 9223372036854775792
153; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i32> poison, i32 [[K:%.*]], i64 0
154; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT]], <16 x i32> poison, <16 x i32> zeroinitializer
155; CHECK-NEXT:    [[BROADCAST_SPLATINSERT8:%.*]] = insertelement <16 x i32> poison, i32 [[NTRUNC]], i64 0
156; CHECK-NEXT:    [[BROADCAST_SPLAT9:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT8]], <16 x i32> poison, <16 x i32> zeroinitializer
157; CHECK-NEXT:    [[BROADCAST_SPLATINSERT10:%.*]] = insertelement <16 x i32*> poison, i32* [[A]], i64 0
158; CHECK-NEXT:    [[BROADCAST_SPLAT11:%.*]] = shufflevector <16 x i32*> [[BROADCAST_SPLATINSERT10]], <16 x i32*> poison, <16 x i32> zeroinitializer
159; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
160; CHECK:       vector.body:
161; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
162; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
163; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>*
164; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <16 x i32>, <16 x i32>* [[TMP1]], align 8, !alias.scope !10, !noalias !13
165; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq <16 x i32> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
166; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>*
167; CHECK-NEXT:    store <16 x i32> [[BROADCAST_SPLAT9]], <16 x i32>* [[TMP3]], align 4, !alias.scope !10, !noalias !13
168; CHECK-NEXT:    call void @llvm.masked.scatter.v16i32.v16p0i32(<16 x i32> [[BROADCAST_SPLAT9]], <16 x i32*> [[BROADCAST_SPLAT11]], i32 4, <16 x i1> [[TMP2]]), !alias.scope !13
169; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
170; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
171; CHECK-NEXT:    br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
172; CHECK:       middle.block:
173; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX6]], [[N_VEC]]
174; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]]
175; CHECK:       vec.epilog.iter.check:
176; CHECK-NEXT:    [[N_VEC_REMAINING:%.*]] = and i64 [[SMAX6]], 8
177; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK_NOT_NOT:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0
178; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK_NOT_NOT]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]]
179; CHECK:       vec.epilog.ph:
180; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
181; CHECK-NEXT:    [[SMAX12:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
182; CHECK-NEXT:    [[N_VEC14:%.*]] = and i64 [[SMAX12]], 9223372036854775800
183; CHECK-NEXT:    [[BROADCAST_SPLATINSERT18:%.*]] = insertelement <8 x i32> poison, i32 [[K]], i64 0
184; CHECK-NEXT:    [[BROADCAST_SPLAT19:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT18]], <8 x i32> poison, <8 x i32> zeroinitializer
185; CHECK-NEXT:    [[BROADCAST_SPLATINSERT20:%.*]] = insertelement <8 x i32> poison, i32 [[NTRUNC]], i64 0
186; CHECK-NEXT:    [[BROADCAST_SPLAT21:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT20]], <8 x i32> poison, <8 x i32> zeroinitializer
187; CHECK-NEXT:    [[BROADCAST_SPLATINSERT22:%.*]] = insertelement <8 x i32*> poison, i32* [[A]], i64 0
188; CHECK-NEXT:    [[BROADCAST_SPLAT23:%.*]] = shufflevector <8 x i32*> [[BROADCAST_SPLATINSERT22]], <8 x i32*> poison, <8 x i32> zeroinitializer
189; CHECK-NEXT:    br label [[VEC_EPILOG_VECTOR_BODY:%.*]]
190; CHECK:       vec.epilog.vector.body:
191; CHECK-NEXT:    [[INDEX16:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT24:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
192; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX16]]
193; CHECK-NEXT:    [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <8 x i32>*
194; CHECK-NEXT:    [[WIDE_LOAD17:%.*]] = load <8 x i32>, <8 x i32>* [[TMP6]], align 8
195; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq <8 x i32> [[WIDE_LOAD17]], [[BROADCAST_SPLAT19]]
196; CHECK-NEXT:    [[TMP8:%.*]] = bitcast i32* [[TMP5]] to <8 x i32>*
197; CHECK-NEXT:    store <8 x i32> [[BROADCAST_SPLAT21]], <8 x i32>* [[TMP8]], align 4
198; CHECK-NEXT:    call void @llvm.masked.scatter.v8i32.v8p0i32(<8 x i32> [[BROADCAST_SPLAT21]], <8 x i32*> [[BROADCAST_SPLAT23]], i32 4, <8 x i1> [[TMP7]])
199; CHECK-NEXT:    [[INDEX_NEXT24]] = add nuw i64 [[INDEX16]], 8
200; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT24]], [[N_VEC14]]
201; CHECK-NEXT:    br i1 [[TMP9]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
202; CHECK:       vec.epilog.middle.block:
203; CHECK-NEXT:    [[CMP_N15:%.*]] = icmp eq i64 [[SMAX12]], [[N_VEC14]]
204; CHECK-NEXT:    br i1 [[CMP_N15]], label [[FOR_END_LOOPEXIT:%.*]], label [[VEC_EPILOG_SCALAR_PH]]
205; CHECK:       vec.epilog.scalar.ph:
206; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC14]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
207; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
208; CHECK:       for.body:
209; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[LATCH:%.*]] ], [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ]
210; CHECK-NEXT:    [[T1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[I]]
211; CHECK-NEXT:    [[T2:%.*]] = load i32, i32* [[T1]], align 8
212; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[T2]], [[K]]
213; CHECK-NEXT:    store i32 [[NTRUNC]], i32* [[T1]], align 4
214; CHECK-NEXT:    br i1 [[CMP]], label [[COND_STORE:%.*]], label [[LATCH]]
215; CHECK:       cond_store:
216; CHECK-NEXT:    store i32 [[NTRUNC]], i32* [[A]], align 4
217; CHECK-NEXT:    br label [[LATCH]]
218; CHECK:       latch:
219; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
220; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
221; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP17:![0-9]+]]
222; CHECK:       for.end.loopexit:
223; CHECK-NEXT:    br label [[FOR_END]]
224; CHECK:       for.end:
225; CHECK-NEXT:    ret void
226;
227entry:
228  %ntrunc = trunc i64 %n to i32
229  br label %for.body
230
231for.body:                                         ; preds = %for.body, %entry
232  %i = phi i64 [ %i.next, %latch ], [ 0, %entry ]
233  %t1 = getelementptr inbounds i32, i32* %b, i64 %i
234  %t2 = load i32, i32* %t1, align 8
235  %cmp = icmp eq i32 %t2, %k
236  store i32 %ntrunc, i32* %t1
237  br i1 %cmp, label %cond_store, label %latch
238
239cond_store:
240  store i32 %ntrunc, i32* %a
241  br label %latch
242
243latch:
244  %i.next = add nuw nsw i64 %i, 1
245  %cond = icmp slt i64 %i.next, %n
246  br i1 %cond, label %for.body, label %for.end
247
248for.end:                                          ; preds = %for.body
249  ret void
250}
251
252define void @variant_val_store_to_inv_address_conditional(i32* %a, i64 %n, i32* %b, i32* %c, i32 %k) {
253; CHECK-LABEL: @variant_val_store_to_inv_address_conditional(
254; CHECK-NEXT:  iter.check:
255; CHECK-NEXT:    [[NTRUNC:%.*]] = trunc i64 [[N:%.*]] to i32
256; CHECK-NEXT:    [[SMAX16:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
257; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX16]], 8
258; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
259; CHECK:       vector.memcheck:
260; CHECK-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
261; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[SMAX]]
262; CHECK-NEXT:    [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 1
263; CHECK-NEXT:    [[SCEVGEP7:%.*]] = getelementptr i32, i32* [[C:%.*]], i64 [[SMAX]]
264; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[B]]
265; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[A]]
266; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
267; CHECK-NEXT:    [[BOUND09:%.*]] = icmp ugt i32* [[SCEVGEP7]], [[B]]
268; CHECK-NEXT:    [[BOUND110:%.*]] = icmp ugt i32* [[SCEVGEP]], [[C]]
269; CHECK-NEXT:    [[FOUND_CONFLICT11:%.*]] = and i1 [[BOUND09]], [[BOUND110]]
270; CHECK-NEXT:    [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT11]]
271; CHECK-NEXT:    [[BOUND012:%.*]] = icmp ugt i32* [[SCEVGEP7]], [[A]]
272; CHECK-NEXT:    [[BOUND113:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[C]]
273; CHECK-NEXT:    [[FOUND_CONFLICT14:%.*]] = and i1 [[BOUND012]], [[BOUND113]]
274; CHECK-NEXT:    [[CONFLICT_RDX15:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT14]]
275; CHECK-NEXT:    br i1 [[CONFLICT_RDX15]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]]
276; CHECK:       vector.main.loop.iter.check:
277; CHECK-NEXT:    [[MIN_ITERS_CHECK17:%.*]] = icmp ult i64 [[SMAX16]], 16
278; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK17]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]]
279; CHECK:       vector.ph:
280; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX16]], 9223372036854775792
281; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i32> poison, i32 [[K:%.*]], i64 0
282; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT]], <16 x i32> poison, <16 x i32> zeroinitializer
283; CHECK-NEXT:    [[BROADCAST_SPLATINSERT18:%.*]] = insertelement <16 x i32> poison, i32 [[NTRUNC]], i64 0
284; CHECK-NEXT:    [[BROADCAST_SPLAT19:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT18]], <16 x i32> poison, <16 x i32> zeroinitializer
285; CHECK-NEXT:    [[BROADCAST_SPLATINSERT20:%.*]] = insertelement <16 x i32*> poison, i32* [[A]], i64 0
286; CHECK-NEXT:    [[BROADCAST_SPLAT21:%.*]] = shufflevector <16 x i32*> [[BROADCAST_SPLATINSERT20]], <16 x i32*> poison, <16 x i32> zeroinitializer
287; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
288; CHECK:       vector.body:
289; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
290; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
291; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>*
292; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <16 x i32>, <16 x i32>* [[TMP1]], align 8, !alias.scope !18, !noalias !21
293; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq <16 x i32> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
294; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i32* [[TMP0]] to <16 x i32>*
295; CHECK-NEXT:    store <16 x i32> [[BROADCAST_SPLAT19]], <16 x i32>* [[TMP3]], align 4, !alias.scope !18, !noalias !21
296; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr i32, i32* [[C]], i64 [[INDEX]]
297; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <16 x i32>*
298; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <16 x i32> @llvm.masked.load.v16i32.p0v16i32(<16 x i32>* [[TMP5]], i32 8, <16 x i1> [[TMP2]], <16 x i32> poison), !alias.scope !24
299; CHECK-NEXT:    call void @llvm.masked.scatter.v16i32.v16p0i32(<16 x i32> [[WIDE_MASKED_LOAD]], <16 x i32*> [[BROADCAST_SPLAT21]], i32 4, <16 x i1> [[TMP2]]), !alias.scope !25, !noalias !24
300; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
301; CHECK-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
302; CHECK-NEXT:    br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
303; CHECK:       middle.block:
304; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX16]], [[N_VEC]]
305; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]]
306; CHECK:       vec.epilog.iter.check:
307; CHECK-NEXT:    [[N_VEC_REMAINING:%.*]] = and i64 [[SMAX16]], 8
308; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK_NOT_NOT:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0
309; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK_NOT_NOT]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]]
310; CHECK:       vec.epilog.ph:
311; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
312; CHECK-NEXT:    [[SMAX22:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
313; CHECK-NEXT:    [[N_VEC24:%.*]] = and i64 [[SMAX22]], 9223372036854775800
314; CHECK-NEXT:    [[BROADCAST_SPLATINSERT28:%.*]] = insertelement <8 x i32> poison, i32 [[K]], i64 0
315; CHECK-NEXT:    [[BROADCAST_SPLAT29:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT28]], <8 x i32> poison, <8 x i32> zeroinitializer
316; CHECK-NEXT:    [[BROADCAST_SPLATINSERT30:%.*]] = insertelement <8 x i32> poison, i32 [[NTRUNC]], i64 0
317; CHECK-NEXT:    [[BROADCAST_SPLAT31:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT30]], <8 x i32> poison, <8 x i32> zeroinitializer
318; CHECK-NEXT:    [[BROADCAST_SPLATINSERT33:%.*]] = insertelement <8 x i32*> poison, i32* [[A]], i64 0
319; CHECK-NEXT:    [[BROADCAST_SPLAT34:%.*]] = shufflevector <8 x i32*> [[BROADCAST_SPLATINSERT33]], <8 x i32*> poison, <8 x i32> zeroinitializer
320; CHECK-NEXT:    br label [[VEC_EPILOG_VECTOR_BODY:%.*]]
321; CHECK:       vec.epilog.vector.body:
322; CHECK-NEXT:    [[INDEX26:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT35:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
323; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX26]]
324; CHECK-NEXT:    [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <8 x i32>*
325; CHECK-NEXT:    [[WIDE_LOAD27:%.*]] = load <8 x i32>, <8 x i32>* [[TMP8]], align 8
326; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq <8 x i32> [[WIDE_LOAD27]], [[BROADCAST_SPLAT29]]
327; CHECK-NEXT:    [[TMP10:%.*]] = bitcast i32* [[TMP7]] to <8 x i32>*
328; CHECK-NEXT:    store <8 x i32> [[BROADCAST_SPLAT31]], <8 x i32>* [[TMP10]], align 4
329; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr i32, i32* [[C]], i64 [[INDEX26]]
330; CHECK-NEXT:    [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <8 x i32>*
331; CHECK-NEXT:    [[WIDE_MASKED_LOAD32:%.*]] = call <8 x i32> @llvm.masked.load.v8i32.p0v8i32(<8 x i32>* [[TMP12]], i32 8, <8 x i1> [[TMP9]], <8 x i32> poison)
332; CHECK-NEXT:    call void @llvm.masked.scatter.v8i32.v8p0i32(<8 x i32> [[WIDE_MASKED_LOAD32]], <8 x i32*> [[BROADCAST_SPLAT34]], i32 4, <8 x i1> [[TMP9]])
333; CHECK-NEXT:    [[INDEX_NEXT35]] = add nuw i64 [[INDEX26]], 8
334; CHECK-NEXT:    [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT35]], [[N_VEC24]]
335; CHECK-NEXT:    br i1 [[TMP13]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
336; CHECK:       vec.epilog.middle.block:
337; CHECK-NEXT:    [[CMP_N25:%.*]] = icmp eq i64 [[SMAX22]], [[N_VEC24]]
338; CHECK-NEXT:    br i1 [[CMP_N25]], label [[FOR_END_LOOPEXIT:%.*]], label [[VEC_EPILOG_SCALAR_PH]]
339; CHECK:       vec.epilog.scalar.ph:
340; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC24]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
341; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
342; CHECK:       for.body:
343; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[LATCH:%.*]] ], [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ]
344; CHECK-NEXT:    [[T1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[I]]
345; CHECK-NEXT:    [[T2:%.*]] = load i32, i32* [[T1]], align 8
346; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[T2]], [[K]]
347; CHECK-NEXT:    store i32 [[NTRUNC]], i32* [[T1]], align 4
348; CHECK-NEXT:    br i1 [[CMP]], label [[COND_STORE:%.*]], label [[LATCH]]
349; CHECK:       cond_store:
350; CHECK-NEXT:    [[T3:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[I]]
351; CHECK-NEXT:    [[T4:%.*]] = load i32, i32* [[T3]], align 8
352; CHECK-NEXT:    store i32 [[T4]], i32* [[A]], align 4
353; CHECK-NEXT:    br label [[LATCH]]
354; CHECK:       latch:
355; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
356; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
357; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP28:![0-9]+]]
358; CHECK:       for.end.loopexit:
359; CHECK-NEXT:    br label [[FOR_END]]
360; CHECK:       for.end:
361; CHECK-NEXT:    ret void
362;
363entry:
364  %ntrunc = trunc i64 %n to i32
365  br label %for.body
366
367for.body:                                         ; preds = %for.body, %entry
368  %i = phi i64 [ %i.next, %latch ], [ 0, %entry ]
369  %t1 = getelementptr inbounds i32, i32* %b, i64 %i
370  %t2 = load i32, i32* %t1, align 8
371  %cmp = icmp eq i32 %t2, %k
372  store i32 %ntrunc, i32* %t1
373  br i1 %cmp, label %cond_store, label %latch
374
375cond_store:
376  %t3 = getelementptr inbounds i32, i32* %c, i64 %i
377  %t4 = load i32, i32* %t3, align 8
378  store i32 %t4, i32* %a
379  br label %latch
380
381latch:
382  %i.next = add nuw nsw i64 %i, 1
383  %cond = icmp slt i64 %i.next, %n
384  br i1 %cond, label %for.body, label %for.end
385
386for.end:                                          ; preds = %for.body
387  ret void
388}
389