1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -loop-vectorize -mtriple=x86_64-unknown-linux-gnu -S < %s | FileCheck %s
4 ; The test checks that there is no assert caused by issue described in PR35432
6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7 target triple = "x86_64-unknown-linux-gnu"
9 @a = common local_unnamed_addr global [192 x [192 x i32]] zeroinitializer, align 16
11 ; Function Attrs: nounwind uwtable
12 define i32 @main() local_unnamed_addr #0 {
15 ; CHECK-NEXT: [[I:%.*]] = alloca i32, align 4
16 ; CHECK-NEXT: [[S:%.*]] = alloca i16, align 2
17 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[I]] to i8*
18 ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[TMP0]])
19 ; CHECK-NEXT: store i32 0, i32* [[I]], align 4
20 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16* [[S]] to i8*
21 ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 2, i8* nonnull [[TMP1]])
22 ; CHECK-NEXT: [[CALL:%.*]] = call i32 (i32*, ...) bitcast (i32 (...)* @goo to i32 (i32*, ...)*)(i32* nonnull [[I]])
23 ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[I]], align 4
24 ; CHECK-NEXT: [[STOREMERGE6:%.*]] = trunc i32 [[TMP2]] to i16
25 ; CHECK-NEXT: store i16 [[STOREMERGE6]], i16* [[S]], align 2
26 ; CHECK-NEXT: [[CONV17:%.*]] = and i32 [[TMP2]], 65472
27 ; CHECK-NEXT: [[CMP8:%.*]] = icmp eq i32 [[CONV17]], 0
28 ; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END12:%.*]]
29 ; CHECK: for.body.lr.ph:
30 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
32 ; CHECK-NEXT: [[STOREMERGE_IN9:%.*]] = phi i32 [ [[TMP2]], [[FOR_BODY_LR_PH]] ], [ [[ADD:%.*]], [[FOR_INC9:%.*]] ]
33 ; CHECK-NEXT: [[CONV52:%.*]] = and i32 [[STOREMERGE_IN9]], 255
34 ; CHECK-NEXT: [[CMP63:%.*]] = icmp ult i32 [[TMP2]], [[CONV52]]
35 ; CHECK-NEXT: br i1 [[CMP63]], label [[FOR_BODY8_LR_PH:%.*]], label [[FOR_INC9]]
36 ; CHECK: for.body8.lr.ph:
37 ; CHECK-NEXT: [[CONV3:%.*]] = trunc i32 [[STOREMERGE_IN9]] to i8
38 ; CHECK-NEXT: [[DOTPROMOTED:%.*]] = load i32, i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16
39 ; CHECK-NEXT: [[TMP3:%.*]] = add i8 [[CONV3]], -1
40 ; CHECK-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i32
41 ; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP4]], 1
42 ; CHECK-NEXT: [[UMIN1:%.*]] = call i32 @llvm.umin.i32(i32 [[TMP2]], i32 [[TMP4]])
43 ; CHECK-NEXT: [[TMP6:%.*]] = sub i32 [[TMP5]], [[UMIN1]]
44 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP6]], 8
45 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
46 ; CHECK: vector.scevcheck:
47 ; CHECK-NEXT: [[TMP7:%.*]] = add i8 [[CONV3]], -1
48 ; CHECK-NEXT: [[TMP8:%.*]] = zext i8 [[TMP7]] to i32
49 ; CHECK-NEXT: [[UMIN:%.*]] = call i32 @llvm.umin.i32(i32 [[TMP2]], i32 [[TMP8]])
50 ; CHECK-NEXT: [[TMP9:%.*]] = sub i32 [[TMP8]], [[UMIN]]
51 ; CHECK-NEXT: [[TMP10:%.*]] = trunc i32 [[TMP9]] to i8
52 ; CHECK-NEXT: [[MUL:%.*]] = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 1, i8 [[TMP10]])
53 ; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i8, i1 } [[MUL]], 0
54 ; CHECK-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i8, i1 } [[MUL]], 1
55 ; CHECK-NEXT: [[TMP11:%.*]] = add i8 [[TMP7]], [[MUL_RESULT]]
56 ; CHECK-NEXT: [[TMP12:%.*]] = sub i8 [[TMP7]], [[MUL_RESULT]]
57 ; CHECK-NEXT: [[TMP13:%.*]] = icmp ugt i8 [[TMP12]], [[TMP7]]
58 ; CHECK-NEXT: [[TMP14:%.*]] = icmp ult i8 [[TMP11]], [[TMP7]]
59 ; CHECK-NEXT: [[TMP15:%.*]] = select i1 true, i1 [[TMP13]], i1 [[TMP14]]
60 ; CHECK-NEXT: [[TMP16:%.*]] = icmp ugt i32 [[TMP9]], 255
61 ; CHECK-NEXT: [[TMP17:%.*]] = or i1 [[TMP15]], [[TMP16]]
62 ; CHECK-NEXT: [[TMP18:%.*]] = or i1 [[TMP17]], [[MUL_OVERFLOW]]
63 ; CHECK-NEXT: [[TMP19:%.*]] = or i1 false, [[TMP18]]
64 ; CHECK-NEXT: br i1 [[TMP19]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
66 ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP6]], 8
67 ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP6]], [[N_MOD_VF]]
68 ; CHECK-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
69 ; CHECK-NEXT: [[IND_END:%.*]] = sub i8 [[CONV3]], [[CAST_CRD]]
70 ; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i32> zeroinitializer, i32 [[DOTPROMOTED]], i32 0
71 ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
73 ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
74 ; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ [[TMP20]], [[VECTOR_PH]] ], [ [[TMP24:%.*]], [[VECTOR_BODY]] ]
75 ; CHECK-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP25:%.*]], [[VECTOR_BODY]] ]
76 ; CHECK-NEXT: [[TMP21:%.*]] = trunc i32 [[INDEX]] to i8
77 ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i8 [[CONV3]], [[TMP21]]
78 ; CHECK-NEXT: [[TMP22:%.*]] = add i8 [[OFFSET_IDX]], 0
79 ; CHECK-NEXT: [[TMP23:%.*]] = add i8 [[OFFSET_IDX]], -4
80 ; CHECK-NEXT: [[TMP24]] = add <4 x i32> [[VEC_PHI]], <i32 1, i32 1, i32 1, i32 1>
81 ; CHECK-NEXT: [[TMP25]] = add <4 x i32> [[VEC_PHI2]], <i32 1, i32 1, i32 1, i32 1>
82 ; CHECK-NEXT: [[TMP26:%.*]] = add i8 [[TMP22]], -1
83 ; CHECK-NEXT: [[TMP27:%.*]] = add i8 [[TMP23]], -1
84 ; CHECK-NEXT: [[TMP28:%.*]] = zext i8 [[TMP26]] to i32
85 ; CHECK-NEXT: [[TMP29:%.*]] = zext i8 [[TMP27]] to i32
86 ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
87 ; CHECK-NEXT: [[TMP30:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
88 ; CHECK-NEXT: br i1 [[TMP30]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP0:!llvm.loop !.*]]
89 ; CHECK: middle.block:
90 ; CHECK-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP25]], [[TMP24]]
91 ; CHECK-NEXT: [[TMP31:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])
92 ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP6]], [[N_VEC]]
93 ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND4_FOR_INC9_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
95 ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[CONV3]], [[FOR_BODY8_LR_PH]] ], [ [[CONV3]], [[VECTOR_SCEVCHECK]] ]
96 ; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[DOTPROMOTED]], [[FOR_BODY8_LR_PH]] ], [ [[DOTPROMOTED]], [[VECTOR_SCEVCHECK]] ], [ [[TMP31]], [[MIDDLE_BLOCK]] ]
97 ; CHECK-NEXT: br label [[FOR_BODY8:%.*]]
99 ; CHECK-NEXT: [[INC5:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY8]] ]
100 ; CHECK-NEXT: [[C_04:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[DEC:%.*]], [[FOR_BODY8]] ]
101 ; CHECK-NEXT: [[INC]] = add i32 [[INC5]], 1
102 ; CHECK-NEXT: [[DEC]] = add i8 [[C_04]], -1
103 ; CHECK-NEXT: [[CONV5:%.*]] = zext i8 [[DEC]] to i32
104 ; CHECK-NEXT: [[CMP6:%.*]] = icmp ult i32 [[TMP2]], [[CONV5]]
105 ; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY8]], label [[FOR_COND4_FOR_INC9_CRIT_EDGE]], [[LOOP2:!llvm.loop !.*]]
106 ; CHECK: for.cond4.for.inc9_crit_edge:
107 ; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], [[FOR_BODY8]] ], [ [[TMP31]], [[MIDDLE_BLOCK]] ]
108 ; CHECK-NEXT: store i32 [[INC_LCSSA]], i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16
109 ; CHECK-NEXT: br label [[FOR_INC9]]
111 ; CHECK-NEXT: [[CONV10:%.*]] = and i32 [[STOREMERGE_IN9]], 65535
112 ; CHECK-NEXT: [[ADD]] = add nuw nsw i32 [[CONV10]], 1
113 ; CHECK-NEXT: [[CONV1:%.*]] = and i32 [[ADD]], 65472
114 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[CONV1]], 0
115 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_FOR_END12_CRIT_EDGE:%.*]]
116 ; CHECK: for.cond.for.end12_crit_edge:
117 ; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_INC9]] ]
118 ; CHECK-NEXT: [[STOREMERGE:%.*]] = trunc i32 [[ADD_LCSSA]] to i16
119 ; CHECK-NEXT: store i16 [[STOREMERGE]], i16* [[S]], align 2
120 ; CHECK-NEXT: br label [[FOR_END12]]
122 ; CHECK-NEXT: [[CALL13:%.*]] = call i32 (i16*, ...) bitcast (i32 (...)* @foo to i32 (i16*, ...)*)(i16* nonnull [[S]])
123 ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 2, i8* nonnull [[TMP1]])
124 ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull [[TMP0]])
125 ; CHECK-NEXT: ret i32 0
128 %i = alloca i32, align 4
129 %s = alloca i16, align 2
130 %0 = bitcast i32* %i to i8*
131 call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0) #3
132 store i32 0, i32* %i, align 4
133 %1 = bitcast i16* %s to i8*
134 call void @llvm.lifetime.start.p0i8(i64 2, i8* nonnull %1) #3
135 %call = call i32 (i32*, ...) bitcast (i32 (...)* @goo to i32 (i32*, ...)*)(i32* nonnull %i) #3
136 %2 = load i32, i32* %i, align 4
137 %storemerge6 = trunc i32 %2 to i16
138 store i16 %storemerge6, i16* %s, align 2
139 %conv17 = and i32 %2, 65472
140 %cmp8 = icmp eq i32 %conv17, 0
141 br i1 %cmp8, label %for.body.lr.ph, label %for.end12
143 for.body.lr.ph: ; preds = %entry
146 for.body: ; preds = %for.body.lr.ph, %for.inc9
147 %storemerge.in9 = phi i32 [ %2, %for.body.lr.ph ], [ %add, %for.inc9 ]
148 %conv52 = and i32 %storemerge.in9, 255
149 %cmp63 = icmp ult i32 %2, %conv52
150 br i1 %cmp63, label %for.body8.lr.ph, label %for.inc9
152 for.body8.lr.ph: ; preds = %for.body
153 %conv3 = trunc i32 %storemerge.in9 to i8
154 %.promoted = load i32, i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16
157 for.body8: ; preds = %for.body8.lr.ph, %for.body8
158 %inc5 = phi i32 [ %.promoted, %for.body8.lr.ph ], [ %inc, %for.body8 ]
159 %c.04 = phi i8 [ %conv3, %for.body8.lr.ph ], [ %dec, %for.body8 ]
160 %inc = add i32 %inc5, 1
161 %dec = add i8 %c.04, -1
162 %conv5 = zext i8 %dec to i32
163 %cmp6 = icmp ult i32 %2, %conv5
164 br i1 %cmp6, label %for.body8, label %for.cond4.for.inc9_crit_edge
166 for.cond4.for.inc9_crit_edge: ; preds = %for.body8
167 %inc.lcssa = phi i32 [ %inc, %for.body8 ]
168 store i32 %inc.lcssa, i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16
171 for.inc9: ; preds = %for.cond4.for.inc9_crit_edge, %for.body
172 %conv10 = and i32 %storemerge.in9, 65535
173 %add = add nuw nsw i32 %conv10, 1
174 %conv1 = and i32 %add, 65472
175 %cmp = icmp eq i32 %conv1, 0
176 br i1 %cmp, label %for.body, label %for.cond.for.end12_crit_edge
178 for.cond.for.end12_crit_edge: ; preds = %for.inc9
179 %add.lcssa = phi i32 [ %add, %for.inc9 ]
180 %storemerge = trunc i32 %add.lcssa to i16
181 store i16 %storemerge, i16* %s, align 2
184 for.end12: ; preds = %for.cond.for.end12_crit_edge, %entry
185 %call13 = call i32 (i16*, ...) bitcast (i32 (...)* @foo to i32 (i16*, ...)*)(i16* nonnull %s) #3
186 call void @llvm.lifetime.end.p0i8(i64 2, i8* nonnull %1) #3
187 call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0) #3
191 ; Function Attrs: argmemonly nounwind
192 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
194 declare i32 @goo(...) local_unnamed_addr #2
196 declare i32 @foo(...) local_unnamed_addr #2
198 ; Function Attrs: argmemonly nounwind
199 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1