1+ ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
12; RUN: opt -passes=loop-vectorize -force-vector-width=4 -S %s | FileCheck %s
23
34@dst = external global [32 x i16 ], align 1
45
56define void @blend_uniform_iv_trunc (i1 %c ) {
6- ; CHECK-LABEL: @blend_uniform_iv_trunc(
7- ; CHECK: vector.body:
8- ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
9- ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[INDEX]] to i16
10- ; CHECK-NEXT: [[TMP2:%.*]] = add i16 [[TMP1]], 0
11- ; CHECK-NEXT: [[PREDPHI:%.*]] = select i1 %c, i16 [[TMP2]], i16 undef
12- ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i16 [[PREDPHI]]
13- ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, ptr [[TMP5]], i32 0
14- ; CHECK-NEXT: store <4 x i16> zeroinitializer, ptr [[TMP6]], align 2
7+ ; CHECK-LABEL: define void @blend_uniform_iv_trunc(
8+ ; CHECK-SAME: i1 [[C:%.*]]) {
9+ ; CHECK-NEXT: [[ENTRY:.*]]:
10+ ; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
11+ ; CHECK: [[VECTOR_PH]]:
12+ ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
13+ ; CHECK: [[VECTOR_BODY]]:
14+ ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
15+ ; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[INDEX]] to i16
16+ ; CHECK-NEXT: [[TMP1:%.*]] = add i16 [[TMP0]], 0
17+ ; CHECK-NEXT: [[PREDPHI:%.*]] = select i1 [[C]], i16 [[TMP1]], i16 undef
18+ ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i16 [[PREDPHI]]
19+ ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, ptr [[TMP2]], i32 0
20+ ; CHECK-NEXT: store <4 x i16> zeroinitializer, ptr [[TMP3]], align 2
1521; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
16- ; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32
17- ; CHECK-NEXT: br i1 [[TMP8]], label %middle.block, label %vector.body
22+ ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32
23+ ; CHECK-NEXT: br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
24+ ; CHECK: [[MIDDLE_BLOCK]]:
25+ ; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]]
26+ ; CHECK: [[SCALAR_PH]]:
27+ ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 32, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
28+ ; CHECK-NEXT: br label %[[LOOP_HEADER:.*]]
29+ ; CHECK: [[LOOP_HEADER]]:
30+ ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP_LATCH:.*]] ]
31+ ; CHECK-NEXT: [[IV_TRUNC_2:%.*]] = trunc i64 [[IV]] to i16
32+ ; CHECK-NEXT: br i1 [[C]], label %[[LOOP_NEXT:.*]], label %[[LOOP_LATCH]]
33+ ; CHECK: [[LOOP_NEXT]]:
34+ ; CHECK-NEXT: br label %[[LOOP_LATCH]]
35+ ; CHECK: [[LOOP_LATCH]]:
36+ ; CHECK-NEXT: [[BLEND:%.*]] = phi i16 [ undef, %[[LOOP_HEADER]] ], [ [[IV_TRUNC_2]], %[[LOOP_NEXT]] ]
37+ ; CHECK-NEXT: [[DST_PTR:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i16 [[BLEND]]
38+ ; CHECK-NEXT: store i16 0, ptr [[DST_PTR]], align 2
39+ ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
40+ ; CHECK-NEXT: [[CMP439:%.*]] = icmp ult i64 [[IV]], 31
41+ ; CHECK-NEXT: br i1 [[CMP439]], label %[[LOOP_HEADER]], label %[[EXIT]], !llvm.loop [[LOOP3:![0-9]+]]
42+ ; CHECK: [[EXIT]]:
43+ ; CHECK-NEXT: ret void
1844;
1945entry:
2046 br label %loop.header
@@ -40,20 +66,43 @@ exit: ; preds = %loop.latch
4066}
4167
4268define void @blend_uniform_iv (i1 %c ) {
43- ; CHECK-LABEL: @blend_uniform_iv(
44- ; CHECK: vector.ph:
45-
46- ; CHECK: vector.body:
47- ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
69+ ; CHECK-LABEL: define void @blend_uniform_iv(
70+ ; CHECK-SAME: i1 [[C:%.*]]) {
71+ ; CHECK-NEXT: [[ENTRY:.*]]:
72+ ; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
73+ ; CHECK: [[VECTOR_PH]]:
74+ ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
75+ ; CHECK: [[VECTOR_BODY]]:
76+ ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
4877; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
49- ; CHECK-NEXT: [[PREDPHI:%.*]] = select i1 %c , i64 [[TMP0]], i64 undef
50- ; CHECK-NEXT: [[TMP3 :%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[PREDPHI]]
51- ; CHECK-NEXT: [[TMP4 :%.*]] = getelementptr inbounds i16, ptr [[TMP3 ]], i32 0
52- ; CHECK-NEXT: store <4 x i16> zeroinitializer, ptr [[TMP4 ]], align 2
78+ ; CHECK-NEXT: [[PREDPHI:%.*]] = select i1 [[C]] , i64 [[TMP0]], i64 undef
79+ ; CHECK-NEXT: [[TMP1 :%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[PREDPHI]]
80+ ; CHECK-NEXT: [[TMP2 :%.*]] = getelementptr inbounds i16, ptr [[TMP1 ]], i32 0
81+ ; CHECK-NEXT: store <4 x i16> zeroinitializer, ptr [[TMP2 ]], align 2
5382; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
54- ; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32
55- ; CHECK-NEXT: br i1 [[TMP6]], label %middle.block, label %vector.body
83+ ; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32
84+ ; CHECK-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
85+ ; CHECK: [[MIDDLE_BLOCK]]:
86+ ; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]]
87+ ; CHECK: [[SCALAR_PH]]:
88+ ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 32, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
89+ ; CHECK-NEXT: br label %[[LOOP_HEADER:.*]]
90+ ; CHECK: [[LOOP_HEADER]]:
91+ ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP_LATCH:.*]] ]
92+ ; CHECK-NEXT: br i1 [[C]], label %[[LOOP_NEXT:.*]], label %[[LOOP_LATCH]]
93+ ; CHECK: [[LOOP_NEXT]]:
94+ ; CHECK-NEXT: br label %[[LOOP_LATCH]]
95+ ; CHECK: [[LOOP_LATCH]]:
96+ ; CHECK-NEXT: [[BLEND:%.*]] = phi i64 [ undef, %[[LOOP_HEADER]] ], [ [[IV]], %[[LOOP_NEXT]] ]
97+ ; CHECK-NEXT: [[DST_PTR:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[BLEND]]
98+ ; CHECK-NEXT: store i16 0, ptr [[DST_PTR]], align 2
99+ ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
100+ ; CHECK-NEXT: [[CMP439:%.*]] = icmp ult i64 [[IV]], 31
101+ ; CHECK-NEXT: br i1 [[CMP439]], label %[[LOOP_HEADER]], label %[[EXIT]], !llvm.loop [[LOOP5:![0-9]+]]
102+ ; CHECK: [[EXIT]]:
103+ ; CHECK-NEXT: ret void
56104;
105+
57106entry:
58107 br label %loop.header
59108
@@ -77,34 +126,62 @@ exit: ; preds = %loop.latch
77126}
78127
79128define void @blend_chain_iv (i1 %c ) {
80- ; CHECK-LABEL: @blend_chain_iv(
81- ; CHECK: vector.ph:
82- ; CHECK-NEXT: [[MASK0:%.*]] = insertelement <4 x i1> poison, i1 %c, i64 0
83- ; CHECK-NEXT: [[MASK1:%.*]] = shufflevector <4 x i1> [[MASK0]], <4 x i1> poison, <4 x i32> zeroinitializer
84-
85- ; CHECK: vector.body:
86- ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
87- ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
88- ; CHECK-NEXT: [[TMP6:%.*]] = select <4 x i1> [[MASK1]], <4 x i1> [[MASK1]], <4 x i1> zeroinitializer
89- ; CHECK-NEXT: [[PREDPHI:%.*]] = select <4 x i1> [[TMP6]], <4 x i64> [[VEC_IND]], <4 x i64> undef
90- ; CHECK-NEXT: [[PREDPHI1:%.*]] = select <4 x i1> [[MASK1]], <4 x i64> [[PREDPHI]], <4 x i64> undef
91- ; CHECK-NEXT: [[TMP9:%.*]] = extractelement <4 x i64> [[PREDPHI1]], i32 0
92- ; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[TMP9]]
93- ; CHECK-NEXT: [[TMP11:%.*]] = extractelement <4 x i64> [[PREDPHI1]], i32 1
94- ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[TMP11]]
95- ; CHECK-NEXT: [[TMP13:%.*]] = extractelement <4 x i64> [[PREDPHI1]], i32 2
96- ; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[TMP13]]
97- ; CHECK-NEXT: [[TMP15:%.*]] = extractelement <4 x i64> [[PREDPHI1]], i32 3
98- ; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[TMP15]]
99- ; CHECK-NEXT: store i16 0, ptr [[TMP10]], align 2
100- ; CHECK-NEXT: store i16 0, ptr [[TMP12]], align 2
101- ; CHECK-NEXT: store i16 0, ptr [[TMP14]], align 2
102- ; CHECK-NEXT: store i16 0, ptr [[TMP16]], align 2
129+ ; CHECK-LABEL: define void @blend_chain_iv(
130+ ; CHECK-SAME: i1 [[C:%.*]]) {
131+ ; CHECK-NEXT: [[ENTRY:.*]]:
132+ ; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
133+ ; CHECK: [[VECTOR_PH]]:
134+ ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i1> poison, i1 [[C]], i64 0
135+ ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i1> [[BROADCAST_SPLATINSERT]], <4 x i1> poison, <4 x i32> zeroinitializer
136+ ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
137+ ; CHECK: [[VECTOR_BODY]]:
138+ ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
139+ ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
140+ ; CHECK-NEXT: [[TMP0:%.*]] = select <4 x i1> [[BROADCAST_SPLAT]], <4 x i1> [[BROADCAST_SPLAT]], <4 x i1> zeroinitializer
141+ ; CHECK-NEXT: [[PREDPHI:%.*]] = select <4 x i1> [[TMP0]], <4 x i64> [[VEC_IND]], <4 x i64> undef
142+ ; CHECK-NEXT: [[PREDPHI1:%.*]] = select <4 x i1> [[BROADCAST_SPLAT]], <4 x i64> [[PREDPHI]], <4 x i64> undef
143+ ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <4 x i64> [[PREDPHI1]], i32 0
144+ ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[TMP1]]
145+ ; CHECK-NEXT: [[TMP3:%.*]] = extractelement <4 x i64> [[PREDPHI1]], i32 1
146+ ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[TMP3]]
147+ ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <4 x i64> [[PREDPHI1]], i32 2
148+ ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[TMP5]]
149+ ; CHECK-NEXT: [[TMP7:%.*]] = extractelement <4 x i64> [[PREDPHI1]], i32 3
150+ ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[TMP7]]
151+ ; CHECK-NEXT: store i16 0, ptr [[TMP2]], align 2
152+ ; CHECK-NEXT: store i16 0, ptr [[TMP4]], align 2
153+ ; CHECK-NEXT: store i16 0, ptr [[TMP6]], align 2
154+ ; CHECK-NEXT: store i16 0, ptr [[TMP8]], align 2
103155; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
104156; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], <i64 4, i64 4, i64 4, i64 4>
105- ; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32
106- ; CHECK-NEXT: br i1 [[TMP17]], label %middle.block, label %vector.body
157+ ; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32
158+ ; CHECK-NEXT: br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
159+ ; CHECK: [[MIDDLE_BLOCK]]:
160+ ; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]]
161+ ; CHECK: [[SCALAR_PH]]:
162+ ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 32, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
163+ ; CHECK-NEXT: br label %[[LOOP_HEADER:.*]]
164+ ; CHECK: [[LOOP_HEADER]]:
165+ ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP_LATCH:.*]] ]
166+ ; CHECK-NEXT: br i1 [[C]], label %[[LOOP_NEXT:.*]], label %[[LOOP_LATCH]]
167+ ; CHECK: [[LOOP_NEXT]]:
168+ ; CHECK-NEXT: br i1 [[C]], label %[[LOOP_NEXT_2:.*]], label %[[LOOP_NEXT_3:.*]]
169+ ; CHECK: [[LOOP_NEXT_2]]:
170+ ; CHECK-NEXT: br label %[[LOOP_NEXT_3]]
171+ ; CHECK: [[LOOP_NEXT_3]]:
172+ ; CHECK-NEXT: [[BLEND_1:%.*]] = phi i64 [ undef, %[[LOOP_NEXT]] ], [ [[IV]], %[[LOOP_NEXT_2]] ]
173+ ; CHECK-NEXT: br label %[[LOOP_LATCH]]
174+ ; CHECK: [[LOOP_LATCH]]:
175+ ; CHECK-NEXT: [[BLEND:%.*]] = phi i64 [ undef, %[[LOOP_HEADER]] ], [ [[BLEND_1]], %[[LOOP_NEXT_3]] ]
176+ ; CHECK-NEXT: [[DST_PTR:%.*]] = getelementptr inbounds [32 x i16], ptr @dst, i16 0, i64 [[BLEND]]
177+ ; CHECK-NEXT: store i16 0, ptr [[DST_PTR]], align 2
178+ ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
179+ ; CHECK-NEXT: [[CMP439:%.*]] = icmp ult i64 [[IV]], 31
180+ ; CHECK-NEXT: br i1 [[CMP439]], label %[[LOOP_HEADER]], label %[[EXIT]], !llvm.loop [[LOOP7:![0-9]+]]
181+ ; CHECK: [[EXIT]]:
182+ ; CHECK-NEXT: ret void
107183;
184+
108185entry:
109186 br label %loop.header
110187
@@ -133,3 +210,13 @@ loop.latch: ; preds = %loop.next, %loop.he
133210exit: ; preds = %loop.latch
134211 ret void
135212}
213+ ;.
214+ ; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
215+ ; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
216+ ; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
217+ ; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}
218+ ; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}
219+ ; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]}
220+ ; CHECK: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}
221+ ; CHECK: [[LOOP7]] = distinct !{[[LOOP7]], [[META2]], [[META1]]}
222+ ;.
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