xref: /llvm-project/llvm/test/Transforms/LoopVectorize/vector-geps.ll (revision 462cb3cd6cecd0511ecaf0e3ebcaba455ece587d)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=loop-vectorize,instcombine -force-vector-width=4 -force-vector-interleave=1 -S | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
5
6;
7define void @vector_gep_stored(ptr %a, ptr %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 slt i64 [[N]], 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, ptr [[B:%.*]], <4 x i64> [[VEC_IND]]
20; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds ptr, ptr [[A:%.*]], i64 [[INDEX]]
21; CHECK-NEXT:    store <4 x ptr> [[TMP0]], ptr [[TMP1]], align 8
22; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
23; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], splat (i64 4)
24; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
25; CHECK-NEXT:    br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
26; CHECK:       middle.block:
27; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
28; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
29; CHECK:       scalar.ph:
30; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
31; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
32; CHECK:       for.body:
33; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
34; CHECK-NEXT:    [[VAR0:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[I]]
35; CHECK-NEXT:    [[VAR1:%.*]] = getelementptr inbounds nuw ptr, ptr [[A]], i64 [[I]]
36; CHECK-NEXT:    store ptr [[VAR0]], ptr [[VAR1]], align 8
37; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
38; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
39; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP3:![0-9]+]]
40; CHECK:       for.end:
41; CHECK-NEXT:    ret void
42;
43entry:
44  br label %for.body
45
46for.body:
47  %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
48  %var0 = getelementptr inbounds i32, ptr %b, i64 %i
49  %var1 = getelementptr inbounds ptr, ptr %a, i64 %i
50  store ptr %var0, ptr %var1, align 8
51  %i.next = add nuw nsw i64 %i, 1
52  %cond = icmp slt i64 %i.next, %n
53  br i1 %cond, label %for.body, label %for.end
54
55for.end:
56  ret void
57}
58
59;
60define void @uniform_vector_gep_stored(ptr %a, ptr %b, i64 %n) {
61; CHECK-LABEL: @uniform_vector_gep_stored(
62; CHECK-NEXT:  entry:
63; CHECK-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
64; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp slt i64 [[N]], 4
65; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
66; CHECK:       vector.ph:
67; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775804
68; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds nuw i8, ptr [[B:%.*]], i64 4
69; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x ptr> poison, ptr [[TMP0]], i64 0
70; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x ptr> [[DOTSPLATINSERT]], <4 x ptr> poison, <4 x i32> zeroinitializer
71; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
72; CHECK:       vector.body:
73; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
74; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds ptr, ptr [[A:%.*]], i64 [[INDEX]]
75; CHECK-NEXT:    store <4 x ptr> [[DOTSPLAT]], ptr [[TMP1]], align 8
76; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
77; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
78; CHECK-NEXT:    br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
79; CHECK:       middle.block:
80; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
81; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
82; CHECK:       scalar.ph:
83; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
84; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
85; CHECK:       for.body:
86; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
87; CHECK-NEXT:    [[VAR0:%.*]] = getelementptr inbounds nuw i8, ptr [[B]], i64 4
88; CHECK-NEXT:    [[VAR1:%.*]] = getelementptr inbounds nuw ptr, ptr [[A]], i64 [[I]]
89; CHECK-NEXT:    store ptr [[VAR0]], ptr [[VAR1]], align 8
90; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
91; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
92; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP5:![0-9]+]]
93; CHECK:       for.end:
94; CHECK-NEXT:    ret void
95;
96entry:
97  br label %for.body
98
99for.body:
100  %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
101  %var0 = getelementptr inbounds i32, ptr %b, i64 1
102  %var1 = getelementptr inbounds ptr, ptr %a, i64 %i
103  store ptr %var0, ptr %var1, align 8
104  %i.next = add nuw nsw i64 %i, 1
105  %cond = icmp slt i64 %i.next, %n
106  br i1 %cond, label %for.body, label %for.end
107
108for.end:
109  ret void
110}
111