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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -loop-vectorize -instcombine -simplifycfg < %s -S -o - | FileCheck %s
3
4target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
5target triple = "thumbv8.1m.main-arm-none-eabi"
6
7define void @arm_abs_q7(i8* nocapture readonly %pSrc, i8* nocapture %pDst, i32 %blockSize) #0 {
8; CHECK-LABEL: @arm_abs_q7(
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    [[CMP_NOT19:%.*]] = icmp eq i32 [[BLOCKSIZE:%.*]], 0
11; CHECK-NEXT:    br i1 [[CMP_NOT19]], label [[WHILE_END:%.*]], label [[WHILE_BODY_PREHEADER:%.*]]
12; CHECK:       while.body.preheader:
13; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 16
14; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
15; CHECK:       vector.memcheck:
16; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i8, i8* [[PDST:%.*]], i32 [[BLOCKSIZE]]
17; CHECK-NEXT:    [[SCEVGEP1:%.*]] = getelementptr i8, i8* [[PSRC:%.*]], i32 [[BLOCKSIZE]]
18; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ugt i8* [[SCEVGEP1]], [[PDST]]
19; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ugt i8* [[SCEVGEP]], [[PSRC]]
20; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
21; CHECK-NEXT:    br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
22; CHECK:       vector.ph:
23; CHECK-NEXT:    [[N_VEC:%.*]] = and i32 [[BLOCKSIZE]], -16
24; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, i8* [[PSRC]], i32 [[N_VEC]]
25; CHECK-NEXT:    [[IND_END3:%.*]] = and i32 [[BLOCKSIZE]], 15
26; CHECK-NEXT:    [[IND_END5:%.*]] = getelementptr i8, i8* [[PDST]], i32 [[N_VEC]]
27; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
28; CHECK:       vector.body:
29; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
30; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i8, i8* [[PSRC]], i32 [[INDEX]]
31; CHECK-NEXT:    [[NEXT_GEP6:%.*]] = getelementptr i8, i8* [[PDST]], i32 [[INDEX]]
32; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i8* [[NEXT_GEP]] to <16 x i8>*
33; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <16 x i8>, <16 x i8>* [[TMP0]], align 1, !alias.scope !0
34; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD]], zeroinitializer
35; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq <16 x i8> [[WIDE_LOAD]], <i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128>
36; CHECK-NEXT:    [[TMP3:%.*]] = sub <16 x i8> zeroinitializer, [[WIDE_LOAD]]
37; CHECK-NEXT:    [[TMP4:%.*]] = select <16 x i1> [[TMP2]], <16 x i8> <i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127, i8 127>, <16 x i8> [[TMP3]]
38; CHECK-NEXT:    [[TMP5:%.*]] = select <16 x i1> [[TMP1]], <16 x i8> [[WIDE_LOAD]], <16 x i8> [[TMP4]]
39; CHECK-NEXT:    [[TMP6:%.*]] = bitcast i8* [[NEXT_GEP6]] to <16 x i8>*
40; CHECK-NEXT:    store <16 x i8> [[TMP5]], <16 x i8>* [[TMP6]], align 1, !alias.scope !3, !noalias !0
41; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 16
42; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
43; CHECK-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP5:!llvm.loop !.*]]
44; CHECK:       middle.block:
45; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i32 [[N_VEC]], [[BLOCKSIZE]]
46; CHECK-NEXT:    br i1 [[CMP_N]], label [[WHILE_END]], label [[SCALAR_PH]]
47; CHECK:       scalar.ph:
48; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i8* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[PSRC]], [[WHILE_BODY_PREHEADER]] ], [ [[PSRC]], [[VECTOR_MEMCHECK]] ]
49; CHECK-NEXT:    [[BC_RESUME_VAL2:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], [[WHILE_BODY_PREHEADER]] ], [ [[BLOCKSIZE]], [[VECTOR_MEMCHECK]] ]
50; CHECK-NEXT:    [[BC_RESUME_VAL4:%.*]] = phi i8* [ [[IND_END5]], [[MIDDLE_BLOCK]] ], [ [[PDST]], [[WHILE_BODY_PREHEADER]] ], [ [[PDST]], [[VECTOR_MEMCHECK]] ]
51; CHECK-NEXT:    br label [[WHILE_BODY:%.*]]
52; CHECK:       while.body:
53; CHECK-NEXT:    [[PSRC_ADDR_022:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
54; CHECK-NEXT:    [[BLKCNT_021:%.*]] = phi i32 [ [[DEC:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ]
55; CHECK-NEXT:    [[PDST_ADDR_020:%.*]] = phi i8* [ [[INCDEC_PTR13:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL4]], [[SCALAR_PH]] ]
56; CHECK-NEXT:    [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PSRC_ADDR_022]], i32 1
57; CHECK-NEXT:    [[TMP8:%.*]] = load i8, i8* [[PSRC_ADDR_022]], align 1
58; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i8 [[TMP8]], 0
59; CHECK-NEXT:    [[CMP5:%.*]] = icmp eq i8 [[TMP8]], -128
60; CHECK-NEXT:    [[SUB:%.*]] = sub i8 0, [[TMP8]]
61; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP5]], i8 127, i8 [[SUB]]
62; CHECK-NEXT:    [[COND11:%.*]] = select i1 [[CMP1]], i8 [[TMP8]], i8 [[COND]]
63; CHECK-NEXT:    [[INCDEC_PTR13]] = getelementptr inbounds i8, i8* [[PDST_ADDR_020]], i32 1
64; CHECK-NEXT:    store i8 [[COND11]], i8* [[PDST_ADDR_020]], align 1
65; CHECK-NEXT:    [[DEC]] = add i32 [[BLKCNT_021]], -1
66; CHECK-NEXT:    [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 0
67; CHECK-NEXT:    br i1 [[CMP_NOT]], label [[WHILE_END]], label [[WHILE_BODY]], [[LOOP7:!llvm.loop !.*]]
68; CHECK:       while.end:
69; CHECK-NEXT:    ret void
70;
71entry:
72  %cmp.not19 = icmp eq i32 %blockSize, 0
73  br i1 %cmp.not19, label %while.end, label %while.body.preheader
74
75while.body.preheader:                             ; preds = %entry
76  br label %while.body
77
78while.body:                                       ; preds = %while.body.preheader, %while.body
79  %pSrc.addr.022 = phi i8* [ %incdec.ptr, %while.body ], [ %pSrc, %while.body.preheader ]
80  %blkCnt.021 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ]
81  %pDst.addr.020 = phi i8* [ %incdec.ptr13, %while.body ], [ %pDst, %while.body.preheader ]
82  %incdec.ptr = getelementptr inbounds i8, i8* %pSrc.addr.022, i32 1
83  %0 = load i8, i8* %pSrc.addr.022, align 1
84  %cmp1 = icmp sgt i8 %0, 0
85  %cmp5 = icmp eq i8 %0, -128
86  %sub = sub i8 0, %0
87  %cond = select i1 %cmp5, i8 127, i8 %sub
88  %cond11 = select i1 %cmp1, i8 %0, i8 %cond
89  %incdec.ptr13 = getelementptr inbounds i8, i8* %pDst.addr.020, i32 1
90  store i8 %cond11, i8* %pDst.addr.020, align 1
91  %dec = add i32 %blkCnt.021, -1
92  %cmp.not = icmp eq i32 %dec, 0
93  br i1 %cmp.not, label %while.end.loopexit, label %while.body
94
95while.end.loopexit:                               ; preds = %while.body
96  br label %while.end
97
98while.end:                                        ; preds = %while.end.loopexit, %entry
99  ret void
100}
101
102define void @arm_abs_q15(i16* nocapture readonly %pSrc, i16* nocapture %pDst, i32 %blockSize) #0 {
103; CHECK-LABEL: @arm_abs_q15(
104; CHECK-NEXT:  entry:
105; CHECK-NEXT:    [[CMP_NOT20:%.*]] = icmp eq i32 [[BLOCKSIZE:%.*]], 0
106; CHECK-NEXT:    br i1 [[CMP_NOT20]], label [[WHILE_END:%.*]], label [[WHILE_BODY_PREHEADER:%.*]]
107; CHECK:       while.body.preheader:
108; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 8
109; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
110; CHECK:       vector.memcheck:
111; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i16, i16* [[PDST:%.*]], i32 [[BLOCKSIZE]]
112; CHECK-NEXT:    [[SCEVGEP4:%.*]] = getelementptr i16, i16* [[PSRC:%.*]], i32 [[BLOCKSIZE]]
113; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ugt i16* [[SCEVGEP4]], [[PDST]]
114; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ugt i16* [[SCEVGEP]], [[PSRC]]
115; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
116; CHECK-NEXT:    br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
117; CHECK:       vector.ph:
118; CHECK-NEXT:    [[N_VEC:%.*]] = and i32 [[BLOCKSIZE]], -8
119; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i16, i16* [[PSRC]], i32 [[N_VEC]]
120; CHECK-NEXT:    [[IND_END7:%.*]] = and i32 [[BLOCKSIZE]], 7
121; CHECK-NEXT:    [[IND_END9:%.*]] = getelementptr i16, i16* [[PDST]], i32 [[N_VEC]]
122; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
123; CHECK:       vector.body:
124; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
125; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i16, i16* [[PSRC]], i32 [[INDEX]]
126; CHECK-NEXT:    [[NEXT_GEP10:%.*]] = getelementptr i16, i16* [[PDST]], i32 [[INDEX]]
127; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i16* [[NEXT_GEP]] to <8 x i16>*
128; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <8 x i16>, <8 x i16>* [[TMP0]], align 2, !alias.scope !8
129; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt <8 x i16> [[WIDE_LOAD]], zeroinitializer
130; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq <8 x i16> [[WIDE_LOAD]], <i16 -32768, i16 -32768, i16 -32768, i16 -32768, i16 -32768, i16 -32768, i16 -32768, i16 -32768>
131; CHECK-NEXT:    [[TMP3:%.*]] = sub <8 x i16> zeroinitializer, [[WIDE_LOAD]]
132; CHECK-NEXT:    [[TMP4:%.*]] = select <8 x i1> [[TMP2]], <8 x i16> <i16 32767, i16 32767, i16 32767, i16 32767, i16 32767, i16 32767, i16 32767, i16 32767>, <8 x i16> [[TMP3]]
133; CHECK-NEXT:    [[TMP5:%.*]] = select <8 x i1> [[TMP1]], <8 x i16> [[WIDE_LOAD]], <8 x i16> [[TMP4]]
134; CHECK-NEXT:    [[TMP6:%.*]] = bitcast i16* [[NEXT_GEP10]] to <8 x i16>*
135; CHECK-NEXT:    store <8 x i16> [[TMP5]], <8 x i16>* [[TMP6]], align 2, !alias.scope !11, !noalias !8
136; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 8
137; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
138; CHECK-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP13:!llvm.loop !.*]]
139; CHECK:       middle.block:
140; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i32 [[N_VEC]], [[BLOCKSIZE]]
141; CHECK-NEXT:    br i1 [[CMP_N]], label [[WHILE_END]], label [[SCALAR_PH]]
142; CHECK:       scalar.ph:
143; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i16* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[PSRC]], [[WHILE_BODY_PREHEADER]] ], [ [[PSRC]], [[VECTOR_MEMCHECK]] ]
144; CHECK-NEXT:    [[BC_RESUME_VAL6:%.*]] = phi i32 [ [[IND_END7]], [[MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], [[WHILE_BODY_PREHEADER]] ], [ [[BLOCKSIZE]], [[VECTOR_MEMCHECK]] ]
145; CHECK-NEXT:    [[BC_RESUME_VAL8:%.*]] = phi i16* [ [[IND_END9]], [[MIDDLE_BLOCK]] ], [ [[PDST]], [[WHILE_BODY_PREHEADER]] ], [ [[PDST]], [[VECTOR_MEMCHECK]] ]
146; CHECK-NEXT:    br label [[WHILE_BODY:%.*]]
147; CHECK:       while.body:
148; CHECK-NEXT:    [[PSRC_ADDR_023:%.*]] = phi i16* [ [[INCDEC_PTR:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
149; CHECK-NEXT:    [[BLKCNT_022:%.*]] = phi i32 [ [[DEC:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL6]], [[SCALAR_PH]] ]
150; CHECK-NEXT:    [[PDST_ADDR_021:%.*]] = phi i16* [ [[INCDEC_PTR13:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL8]], [[SCALAR_PH]] ]
151; CHECK-NEXT:    [[INCDEC_PTR]] = getelementptr inbounds i16, i16* [[PSRC_ADDR_023]], i32 1
152; CHECK-NEXT:    [[TMP8:%.*]] = load i16, i16* [[PSRC_ADDR_023]], align 2
153; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i16 [[TMP8]], 0
154; CHECK-NEXT:    [[CMP5:%.*]] = icmp eq i16 [[TMP8]], -32768
155; CHECK-NEXT:    [[SUB:%.*]] = sub i16 0, [[TMP8]]
156; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP5]], i16 32767, i16 [[SUB]]
157; CHECK-NEXT:    [[COND11:%.*]] = select i1 [[CMP1]], i16 [[TMP8]], i16 [[COND]]
158; CHECK-NEXT:    [[INCDEC_PTR13]] = getelementptr inbounds i16, i16* [[PDST_ADDR_021]], i32 1
159; CHECK-NEXT:    store i16 [[COND11]], i16* [[PDST_ADDR_021]], align 2
160; CHECK-NEXT:    [[DEC]] = add i32 [[BLKCNT_022]], -1
161; CHECK-NEXT:    [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 0
162; CHECK-NEXT:    br i1 [[CMP_NOT]], label [[WHILE_END]], label [[WHILE_BODY]], [[LOOP14:!llvm.loop !.*]]
163; CHECK:       while.end:
164; CHECK-NEXT:    ret void
165;
166entry:
167  %cmp.not20 = icmp eq i32 %blockSize, 0
168  br i1 %cmp.not20, label %while.end, label %while.body.preheader
169
170while.body.preheader:                             ; preds = %entry
171  br label %while.body
172
173while.body:                                       ; preds = %while.body.preheader, %while.body
174  %pSrc.addr.023 = phi i16* [ %incdec.ptr, %while.body ], [ %pSrc, %while.body.preheader ]
175  %blkCnt.022 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ]
176  %pDst.addr.021 = phi i16* [ %incdec.ptr13, %while.body ], [ %pDst, %while.body.preheader ]
177  %incdec.ptr = getelementptr inbounds i16, i16* %pSrc.addr.023, i32 1
178  %0 = load i16, i16* %pSrc.addr.023, align 2
179  %cmp1 = icmp sgt i16 %0, 0
180  %cmp5 = icmp eq i16 %0, -32768
181  %sub = sub i16 0, %0
182  %cond = select i1 %cmp5, i16 32767, i16 %sub
183  %cond11 = select i1 %cmp1, i16 %0, i16 %cond
184  %incdec.ptr13 = getelementptr inbounds i16, i16* %pDst.addr.021, i32 1
185  store i16 %cond11, i16* %pDst.addr.021, align 2
186  %dec = add i32 %blkCnt.022, -1
187  %cmp.not = icmp eq i32 %dec, 0
188  br i1 %cmp.not, label %while.end.loopexit, label %while.body
189
190while.end.loopexit:                               ; preds = %while.body
191  br label %while.end
192
193while.end:                                        ; preds = %while.end.loopexit, %entry
194  ret void
195}
196
197define void @arm_abs_q31(i32* nocapture readonly %pSrc, i32* nocapture %pDst, i32 %blockSize) #0 {
198; CHECK-LABEL: @arm_abs_q31(
199; CHECK-NEXT:  entry:
200; CHECK-NEXT:    [[CMP_NOT14:%.*]] = icmp eq i32 [[BLOCKSIZE:%.*]], 0
201; CHECK-NEXT:    br i1 [[CMP_NOT14]], label [[WHILE_END:%.*]], label [[WHILE_BODY_PREHEADER:%.*]]
202; CHECK:       while.body.preheader:
203; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 4
204; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
205; CHECK:       vector.memcheck:
206; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i32, i32* [[PDST:%.*]], i32 [[BLOCKSIZE]]
207; CHECK-NEXT:    [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[PSRC:%.*]], i32 [[BLOCKSIZE]]
208; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[PDST]]
209; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[PSRC]]
210; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
211; CHECK-NEXT:    br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
212; CHECK:       vector.ph:
213; CHECK-NEXT:    [[N_VEC:%.*]] = and i32 [[BLOCKSIZE]], -4
214; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i32, i32* [[PSRC]], i32 [[N_VEC]]
215; CHECK-NEXT:    [[IND_END7:%.*]] = and i32 [[BLOCKSIZE]], 3
216; CHECK-NEXT:    [[IND_END9:%.*]] = getelementptr i32, i32* [[PDST]], i32 [[N_VEC]]
217; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
218; CHECK:       vector.body:
219; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
220; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i32, i32* [[PSRC]], i32 [[INDEX]]
221; CHECK-NEXT:    [[NEXT_GEP10:%.*]] = getelementptr i32, i32* [[PDST]], i32 [[INDEX]]
222; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i32* [[NEXT_GEP]] to <4 x i32>*
223; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4, !alias.scope !15
224; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt <4 x i32> [[WIDE_LOAD]], zeroinitializer
225; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD]], <i32 -2147483648, i32 -2147483648, i32 -2147483648, i32 -2147483648>
226; CHECK-NEXT:    [[TMP3:%.*]] = sub nsw <4 x i32> zeroinitializer, [[WIDE_LOAD]]
227; CHECK-NEXT:    [[TMP4:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647>, <4 x i32> [[TMP3]]
228; CHECK-NEXT:    [[TMP5:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[WIDE_LOAD]], <4 x i32> [[TMP4]]
229; CHECK-NEXT:    [[TMP6:%.*]] = bitcast i32* [[NEXT_GEP10]] to <4 x i32>*
230; CHECK-NEXT:    store <4 x i32> [[TMP5]], <4 x i32>* [[TMP6]], align 4, !alias.scope !18, !noalias !15
231; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
232; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
233; CHECK-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP20:!llvm.loop !.*]]
234; CHECK:       middle.block:
235; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i32 [[N_VEC]], [[BLOCKSIZE]]
236; CHECK-NEXT:    br i1 [[CMP_N]], label [[WHILE_END]], label [[SCALAR_PH]]
237; CHECK:       scalar.ph:
238; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i32* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[PSRC]], [[WHILE_BODY_PREHEADER]] ], [ [[PSRC]], [[VECTOR_MEMCHECK]] ]
239; CHECK-NEXT:    [[BC_RESUME_VAL6:%.*]] = phi i32 [ [[IND_END7]], [[MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], [[WHILE_BODY_PREHEADER]] ], [ [[BLOCKSIZE]], [[VECTOR_MEMCHECK]] ]
240; CHECK-NEXT:    [[BC_RESUME_VAL8:%.*]] = phi i32* [ [[IND_END9]], [[MIDDLE_BLOCK]] ], [ [[PDST]], [[WHILE_BODY_PREHEADER]] ], [ [[PDST]], [[VECTOR_MEMCHECK]] ]
241; CHECK-NEXT:    br label [[WHILE_BODY:%.*]]
242; CHECK:       while.body:
243; CHECK-NEXT:    [[PSRC_ADDR_017:%.*]] = phi i32* [ [[INCDEC_PTR:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
244; CHECK-NEXT:    [[BLKCNT_016:%.*]] = phi i32 [ [[DEC:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL6]], [[SCALAR_PH]] ]
245; CHECK-NEXT:    [[PDST_ADDR_015:%.*]] = phi i32* [ [[INCDEC_PTR7:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL8]], [[SCALAR_PH]] ]
246; CHECK-NEXT:    [[INCDEC_PTR]] = getelementptr inbounds i32, i32* [[PSRC_ADDR_017]], i32 1
247; CHECK-NEXT:    [[TMP8:%.*]] = load i32, i32* [[PSRC_ADDR_017]], align 4
248; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i32 [[TMP8]], 0
249; CHECK-NEXT:    [[CMP2:%.*]] = icmp eq i32 [[TMP8]], -2147483648
250; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[TMP8]]
251; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP2]], i32 2147483647, i32 [[SUB]]
252; CHECK-NEXT:    [[COND6:%.*]] = select i1 [[CMP1]], i32 [[TMP8]], i32 [[COND]]
253; CHECK-NEXT:    [[INCDEC_PTR7]] = getelementptr inbounds i32, i32* [[PDST_ADDR_015]], i32 1
254; CHECK-NEXT:    store i32 [[COND6]], i32* [[PDST_ADDR_015]], align 4
255; CHECK-NEXT:    [[DEC]] = add i32 [[BLKCNT_016]], -1
256; CHECK-NEXT:    [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 0
257; CHECK-NEXT:    br i1 [[CMP_NOT]], label [[WHILE_END]], label [[WHILE_BODY]], [[LOOP21:!llvm.loop !.*]]
258; CHECK:       while.end:
259; CHECK-NEXT:    ret void
260;
261entry:
262  %cmp.not14 = icmp eq i32 %blockSize, 0
263  br i1 %cmp.not14, label %while.end, label %while.body.preheader
264
265while.body.preheader:                             ; preds = %entry
266  br label %while.body
267
268while.body:                                       ; preds = %while.body.preheader, %while.body
269  %pSrc.addr.017 = phi i32* [ %incdec.ptr, %while.body ], [ %pSrc, %while.body.preheader ]
270  %blkCnt.016 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ]
271  %pDst.addr.015 = phi i32* [ %incdec.ptr7, %while.body ], [ %pDst, %while.body.preheader ]
272  %incdec.ptr = getelementptr inbounds i32, i32* %pSrc.addr.017, i32 1
273  %0 = load i32, i32* %pSrc.addr.017, align 4
274  %cmp1 = icmp sgt i32 %0, 0
275  %cmp2 = icmp eq i32 %0, -2147483648
276  %sub = sub nsw i32 0, %0
277  %cond = select i1 %cmp2, i32 2147483647, i32 %sub
278  %cond6 = select i1 %cmp1, i32 %0, i32 %cond
279  %incdec.ptr7 = getelementptr inbounds i32, i32* %pDst.addr.015, i32 1
280  store i32 %cond6, i32* %pDst.addr.015, align 4
281  %dec = add i32 %blkCnt.016, -1
282  %cmp.not = icmp eq i32 %dec, 0
283  br i1 %cmp.not, label %while.end.loopexit, label %while.body
284
285while.end.loopexit:                               ; preds = %while.body
286  br label %while.end
287
288while.end:                                        ; preds = %while.end.loopexit, %entry
289  ret void
290}
291
292attributes #0 = { "target-features"="+mve" }
293