1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -passes=loop-vectorize,instcombine -S -mattr=avx512f < %s | FileCheck %s
4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
7 define i32 @inv_load_conditional(ptr %a, i64 %n, ptr %b, i32 %k) {
8 ; CHECK-LABEL: @inv_load_conditional(
9 ; CHECK-NEXT: iter.check:
10 ; CHECK-NEXT: [[NTRUNC:%.*]] = trunc i64 [[N:%.*]] to i32
11 ; CHECK-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
12 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp slt i64 [[N]], 8
13 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
14 ; CHECK: vector.memcheck:
15 ; CHECK-NEXT: [[TMP0:%.*]] = shl i64 [[N]], 2
16 ; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B:%.*]], i64 [[TMP0]]
17 ; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A:%.*]], i64 4
18 ; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt ptr [[SCEVGEP1]], [[B]]
19 ; CHECK-NEXT: [[BOUND1:%.*]] = icmp ugt ptr [[SCEVGEP]], [[A]]
20 ; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
21 ; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]]
22 ; CHECK: vector.main.loop.iter.check:
23 ; CHECK-NEXT: [[MIN_ITERS_CHECK3:%.*]] = icmp slt i64 [[N]], 16
24 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK3]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]]
26 ; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX2]], 9223372036854775792
27 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x ptr> poison, ptr [[A]], i64 0
28 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x ptr> [[BROADCAST_SPLATINSERT]], <16 x ptr> poison, <16 x i32> zeroinitializer
29 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT4:%.*]] = insertelement <16 x i32> poison, i32 [[NTRUNC]], i64 0
30 ; CHECK-NEXT: [[BROADCAST_SPLAT5:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT4]], <16 x i32> poison, <16 x i32> zeroinitializer
31 ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
33 ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
34 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDEX]]
35 ; CHECK-NEXT: store <16 x i32> [[BROADCAST_SPLAT5]], ptr [[TMP1]], align 4, !alias.scope [[META0:![0-9]+]], !noalias [[META3:![0-9]+]]
36 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
37 ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
38 ; CHECK-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
39 ; CHECK: middle.block:
40 ; CHECK-NEXT: [[TMP3:%.*]] = icmp ne <16 x ptr> [[BROADCAST_SPLAT]], zeroinitializer
41 ; CHECK-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call <16 x i32> @llvm.masked.gather.v16i32.v16p0(<16 x ptr> [[BROADCAST_SPLAT]], i32 4, <16 x i1> [[TMP3]], <16 x i32> poison), !alias.scope [[META3]]
42 ; CHECK-NEXT: [[PREDPHI:%.*]] = select <16 x i1> [[TMP3]], <16 x i32> [[WIDE_MASKED_GATHER]], <16 x i32> <i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 1>
43 ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <16 x i32> [[PREDPHI]], i64 15
44 ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX2]], [[N_VEC]]
45 ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]]
46 ; CHECK: vec.epilog.iter.check:
47 ; CHECK-NEXT: [[N_VEC_REMAINING:%.*]] = and i64 [[SMAX2]], 8
48 ; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK_NOT_NOT:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0
49 ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK_NOT_NOT]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]]
50 ; CHECK: vec.epilog.ph:
51 ; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
52 ; CHECK-NEXT: [[N_VEC7:%.*]] = and i64 [[SMAX2]], 9223372036854775800
53 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT10:%.*]] = insertelement <8 x ptr> poison, ptr [[A]], i64 0
54 ; CHECK-NEXT: [[BROADCAST_SPLAT11:%.*]] = shufflevector <8 x ptr> [[BROADCAST_SPLATINSERT10]], <8 x ptr> poison, <8 x i32> zeroinitializer
55 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT12:%.*]] = insertelement <8 x i32> poison, i32 [[NTRUNC]], i64 0
56 ; CHECK-NEXT: [[BROADCAST_SPLAT13:%.*]] = shufflevector <8 x i32> [[BROADCAST_SPLATINSERT12]], <8 x i32> poison, <8 x i32> zeroinitializer
57 ; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]]
58 ; CHECK: vec.epilog.vector.body:
59 ; CHECK-NEXT: [[INDEX9:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT16:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
60 ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDEX9]]
61 ; CHECK-NEXT: store <8 x i32> [[BROADCAST_SPLAT13]], ptr [[TMP5]], align 4, !alias.scope [[META8:![0-9]+]], !noalias [[META11:![0-9]+]]
62 ; CHECK-NEXT: [[INDEX_NEXT16]] = add nuw i64 [[INDEX9]], 8
63 ; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT16]], [[N_VEC7]]
64 ; CHECK-NEXT: br i1 [[TMP6]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
65 ; CHECK: vec.epilog.middle.block:
66 ; CHECK-NEXT: [[TMP7:%.*]] = icmp ne <8 x ptr> [[BROADCAST_SPLAT11]], zeroinitializer
67 ; CHECK-NEXT: [[WIDE_MASKED_GATHER14:%.*]] = call <8 x i32> @llvm.masked.gather.v8i32.v8p0(<8 x ptr> [[BROADCAST_SPLAT11]], i32 4, <8 x i1> [[TMP7]], <8 x i32> poison), !alias.scope [[META11]]
68 ; CHECK-NEXT: [[PREDPHI15:%.*]] = select <8 x i1> [[TMP7]], <8 x i32> [[WIDE_MASKED_GATHER14]], <8 x i32> <i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 1>
69 ; CHECK-NEXT: [[TMP8:%.*]] = extractelement <8 x i32> [[PREDPHI15]], i64 7
70 ; CHECK-NEXT: [[CMP_N8:%.*]] = icmp eq i64 [[SMAX2]], [[N_VEC7]]
71 ; CHECK-NEXT: br i1 [[CMP_N8]], label [[FOR_END]], label [[VEC_EPILOG_SCALAR_PH]]
72 ; CHECK: vec.epilog.scalar.ph:
73 ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC7]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
74 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
76 ; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[LATCH:%.*]] ], [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ]
77 ; CHECK-NEXT: [[I1:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[I]]
78 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq ptr [[A]], null
79 ; CHECK-NEXT: store i32 [[NTRUNC]], ptr [[I1]], align 4
80 ; CHECK-NEXT: br i1 [[CMP_NOT]], label [[LATCH]], label [[COND_LOAD:%.*]]
82 ; CHECK-NEXT: [[ALOAD:%.*]] = load i32, ptr [[A]], align 4
83 ; CHECK-NEXT: br label [[LATCH]]
85 ; CHECK-NEXT: [[A_LCSSA:%.*]] = phi i32 [ [[ALOAD]], [[COND_LOAD]] ], [ 1, [[FOR_BODY]] ]
86 ; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
87 ; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
88 ; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP14:![0-9]+]]
90 ; CHECK-NEXT: [[A_LCSSA_LCSSA:%.*]] = phi i32 [ [[A_LCSSA]], [[LATCH]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ], [ [[TMP8]], [[VEC_EPILOG_MIDDLE_BLOCK]] ]
91 ; CHECK-NEXT: ret i32 [[A_LCSSA_LCSSA]]
94 %ntrunc = trunc i64 %n to i32
97 for.body: ; preds = %for.body, %entry
98 %i = phi i64 [ %i.next, %latch ], [ 0, %entry ]
99 %i1 = getelementptr inbounds i32, ptr %b, i64 %i
100 %i2 = load i32, ptr %i1, align 8
101 %cmp = icmp ne ptr %a, null
102 store i32 %ntrunc, ptr %i1
103 br i1 %cmp, label %cond_load, label %latch
106 %aload = load i32, ptr %a, align 4
110 %a.lcssa = phi i32 [ %aload, %cond_load ], [ 1, %for.body ]
111 %i.next = add nuw nsw i64 %i, 1
112 %cond = icmp slt i64 %i.next, %n
113 br i1 %cond, label %for.body, label %for.end
115 for.end: ; preds = %for.body