1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -instcombine -S | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
5
6;
7define void @vector_gep_stored(i32** %a, i32 *%b, i64 %n) {
8; CHECK-LABEL: @vector_gep_stored(
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
11; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
12; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
13; CHECK:       vector.ph:
14; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775804
15; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
16; CHECK:       vector.body:
17; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
18; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
19; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], <4 x i64> [[VEC_IND]]
20; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i32*, i32** [[A:%.*]], i64 [[INDEX]]
21; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i32** [[TMP1]] to <4 x i32*>*
22; CHECK-NEXT:    store <4 x i32*> [[TMP0]], <4 x i32*>* [[TMP2]], align 8
23; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
24; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], <i64 4, i64 4, i64 4, i64 4>
25; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
26; CHECK-NEXT:    br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
27; CHECK:       middle.block:
28; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
29; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
30; CHECK:       scalar.ph:
31; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
32; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
33; CHECK:       for.body:
34; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
35; CHECK-NEXT:    [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[I]]
36; CHECK-NEXT:    [[VAR1:%.*]] = getelementptr inbounds i32*, i32** [[A]], i64 [[I]]
37; CHECK-NEXT:    store i32* [[VAR0]], i32** [[VAR1]], align 8
38; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
39; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
40; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP2:![0-9]+]]
41; CHECK:       for.end:
42; CHECK-NEXT:    ret void
43;
44entry:
45  br label %for.body
46
47for.body:
48  %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
49  %var0 = getelementptr inbounds i32, i32* %b, i64 %i
50  %var1 = getelementptr inbounds i32*, i32** %a, i64 %i
51  store i32* %var0, i32** %var1, align 8
52  %i.next = add nuw nsw i64 %i, 1
53  %cond = icmp slt i64 %i.next, %n
54  br i1 %cond, label %for.body, label %for.end
55
56for.end:
57  ret void
58}
59
60;
61define void @uniform_vector_gep_stored(i32** %a, i32 *%b, i64 %n) {
62; CHECK-LABEL: @uniform_vector_gep_stored(
63; CHECK-NEXT:  entry:
64; CHECK-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
65; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
66; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
67; CHECK:       vector.ph:
68; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775804
69; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
70; CHECK:       vector.body:
71; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
72; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 1
73; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32*> poison, i32* [[TMP0]], i64 0
74; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x i32*> [[DOTSPLATINSERT]], <4 x i32*> poison, <4 x i32> zeroinitializer
75; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i32*, i32** [[A:%.*]], i64 [[INDEX]]
76; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i32** [[TMP1]] to <4 x i32*>*
77; CHECK-NEXT:    store <4 x i32*> [[DOTSPLAT]], <4 x i32*>* [[TMP2]], align 8
78; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
79; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
80; CHECK-NEXT:    br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
81; CHECK:       middle.block:
82; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
83; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
84; CHECK:       scalar.ph:
85; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
86; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
87; CHECK:       for.body:
88; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
89; CHECK-NEXT:    [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 1
90; CHECK-NEXT:    [[VAR1:%.*]] = getelementptr inbounds i32*, i32** [[A]], i64 [[I]]
91; CHECK-NEXT:    store i32* [[VAR0]], i32** [[VAR1]], align 8
92; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
93; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
94; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP5:![0-9]+]]
95; CHECK:       for.end:
96; CHECK-NEXT:    ret void
97;
98entry:
99  br label %for.body
100
101for.body:
102  %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
103  %var0 = getelementptr inbounds i32, i32* %b, i64 1
104  %var1 = getelementptr inbounds i32*, i32** %a, i64 %i
105  store i32* %var0, i32** %var1, align 8
106  %i.next = add nuw nsw i64 %i, 1
107  %cond = icmp slt i64 %i.next, %n
108  br i1 %cond, label %for.body, label %for.end
109
110for.end:
111  ret void
112}
113