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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -slp-vectorizer -S -o - -mtriple=i386 -mcpu=haswell < %s | FileCheck %s
3target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
4
5@shift = common local_unnamed_addr global [10 x i32] zeroinitializer, align 4
6@data = common local_unnamed_addr global [10 x i8*] zeroinitializer, align 4
7
8define void @flat(i32 %intensity) {
9; CHECK-LABEL: @flat(
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    [[TMP0:%.*]] = load i32, i32* getelementptr inbounds ([10 x i32], [10 x i32]* @shift, i32 0, i32 0), align 4
12; CHECK-NEXT:    [[TMP1:%.*]] = load i32, i32* getelementptr inbounds ([10 x i32], [10 x i32]* @shift, i32 0, i32 1), align 4
13; CHECK-NEXT:    [[TMP2:%.*]] = load i8*, i8** getelementptr inbounds ([10 x i8*], [10 x i8*]* @data, i32 0, i32 0), align 4
14; CHECK-NEXT:    [[TMP3:%.*]] = load i8*, i8** getelementptr inbounds ([10 x i8*], [10 x i8*]* @data, i32 0, i32 1), align 4
15; CHECK-NEXT:    [[SHR:%.*]] = lshr i32 1, [[TMP0]]
16; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[TMP2]], i32 [[SHR]]
17; CHECK-NEXT:    [[SHR1:%.*]] = lshr i32 1, [[TMP1]]
18; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds i8, i8* [[TMP3]], i32 [[SHR1]]
19; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
20; CHECK:       for.cond.cleanup:
21; CHECK-NEXT:    ret void
22; CHECK:       for.body:
23; CHECK-NEXT:    [[D1_DATA_046:%.*]] = phi i8* [ [[TMP3]], [[ENTRY:%.*]] ], [ [[ADD_PTR23_1:%.*]], [[FOR_BODY]] ]
24; CHECK-NEXT:    [[Y_045:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC_1:%.*]], [[FOR_BODY]] ]
25; CHECK-NEXT:    [[TMP4:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
26; CHECK-NEXT:    [[CONV:%.*]] = zext i8 [[TMP4]] to i32
27; CHECK-NEXT:    [[SUB:%.*]] = add nsw i32 [[CONV]], -128
28; CHECK-NEXT:    [[TMP5:%.*]] = load i8, i8* [[ARRAYIDX2]], align 1
29; CHECK-NEXT:    [[CONV3:%.*]] = zext i8 [[TMP5]] to i32
30; CHECK-NEXT:    [[SUB4:%.*]] = add nsw i32 [[CONV3]], -128
31; CHECK-NEXT:    [[CMP5:%.*]] = icmp sgt i32 [[SUB]], -1
32; CHECK-NEXT:    [[SUB7:%.*]] = sub nsw i32 128, [[CONV]]
33; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP5]], i32 [[SUB]], i32 [[SUB7]]
34; CHECK-NEXT:    [[CMP8:%.*]] = icmp sgt i32 [[SUB4]], -1
35; CHECK-NEXT:    [[SUB12:%.*]] = sub nsw i32 128, [[CONV3]]
36; CHECK-NEXT:    [[COND14:%.*]] = select i1 [[CMP8]], i32 [[SUB4]], i32 [[SUB12]]
37; CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[COND14]], [[COND]]
38; CHECK-NEXT:    [[IDX_NEG:%.*]] = sub nsw i32 0, [[ADD]]
39; CHECK-NEXT:    [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[D1_DATA_046]], i32 [[IDX_NEG]]
40; CHECK-NEXT:    [[TMP6:%.*]] = load i8, i8* [[ADD_PTR]], align 1
41; CHECK-NEXT:    [[CONV15:%.*]] = zext i8 [[TMP6]] to i32
42; CHECK-NEXT:    [[ADD16:%.*]] = add nsw i32 [[CONV15]], [[INTENSITY:%.*]]
43; CHECK-NEXT:    [[CONV17:%.*]] = trunc i32 [[ADD16]] to i8
44; CHECK-NEXT:    store i8 [[CONV17]], i8* [[ADD_PTR]], align 1
45; CHECK-NEXT:    [[ADD_PTR18:%.*]] = getelementptr inbounds i8, i8* [[D1_DATA_046]], i32 [[ADD]]
46; CHECK-NEXT:    [[TMP7:%.*]] = load i8, i8* [[ADD_PTR18]], align 1
47; CHECK-NEXT:    [[NOT_TOBOOL:%.*]] = icmp eq i8 [[TMP7]], 0
48; CHECK-NEXT:    [[CONV21:%.*]] = zext i1 [[NOT_TOBOOL]] to i8
49; CHECK-NEXT:    store i8 [[CONV21]], i8* [[ADD_PTR18]], align 1
50; CHECK-NEXT:    [[ADD_PTR23:%.*]] = getelementptr inbounds i8, i8* [[D1_DATA_046]], i32 [[TMP1]]
51; CHECK-NEXT:    [[TMP8:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
52; CHECK-NEXT:    [[CONV_1:%.*]] = zext i8 [[TMP8]] to i32
53; CHECK-NEXT:    [[SUB_1:%.*]] = add nsw i32 [[CONV_1]], -128
54; CHECK-NEXT:    [[TMP9:%.*]] = load i8, i8* [[ARRAYIDX2]], align 1
55; CHECK-NEXT:    [[CONV3_1:%.*]] = zext i8 [[TMP9]] to i32
56; CHECK-NEXT:    [[SUB4_1:%.*]] = add nsw i32 [[CONV3_1]], -128
57; CHECK-NEXT:    [[CMP5_1:%.*]] = icmp sgt i32 [[SUB_1]], -1
58; CHECK-NEXT:    [[SUB7_1:%.*]] = sub nsw i32 128, [[CONV_1]]
59; CHECK-NEXT:    [[COND_1:%.*]] = select i1 [[CMP5_1]], i32 [[SUB_1]], i32 [[SUB7_1]]
60; CHECK-NEXT:    [[CMP8_1:%.*]] = icmp sgt i32 [[SUB4_1]], -1
61; CHECK-NEXT:    [[SUB12_1:%.*]] = sub nsw i32 128, [[CONV3_1]]
62; CHECK-NEXT:    [[COND14_1:%.*]] = select i1 [[CMP8_1]], i32 [[SUB4_1]], i32 [[SUB12_1]]
63; CHECK-NEXT:    [[ADD_1:%.*]] = add nsw i32 [[COND14_1]], [[COND_1]]
64; CHECK-NEXT:    [[IDX_NEG_1:%.*]] = sub nsw i32 0, [[ADD_1]]
65; CHECK-NEXT:    [[ADD_PTR_1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR23]], i32 [[IDX_NEG_1]]
66; CHECK-NEXT:    [[TMP10:%.*]] = load i8, i8* [[ADD_PTR_1]], align 1
67; CHECK-NEXT:    [[CONV15_1:%.*]] = zext i8 [[TMP10]] to i32
68; CHECK-NEXT:    [[ADD16_1:%.*]] = add nsw i32 [[CONV15_1]], [[INTENSITY]]
69; CHECK-NEXT:    [[CONV17_1:%.*]] = trunc i32 [[ADD16_1]] to i8
70; CHECK-NEXT:    store i8 [[CONV17_1]], i8* [[ADD_PTR_1]], align 1
71; CHECK-NEXT:    [[ADD_PTR18_1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR23]], i32 [[ADD_1]]
72; CHECK-NEXT:    [[TMP11:%.*]] = load i8, i8* [[ADD_PTR18_1]], align 1
73; CHECK-NEXT:    [[NOT_TOBOOL_1:%.*]] = icmp eq i8 [[TMP11]], 0
74; CHECK-NEXT:    [[CONV21_1:%.*]] = zext i1 [[NOT_TOBOOL_1]] to i8
75; CHECK-NEXT:    store i8 [[CONV21_1]], i8* [[ADD_PTR18_1]], align 1
76; CHECK-NEXT:    [[ADD_PTR23_1]] = getelementptr inbounds i8, i8* [[ADD_PTR23]], i32 [[TMP1]]
77; CHECK-NEXT:    [[INC_1]] = add nsw i32 [[Y_045]], 2
78; CHECK-NEXT:    [[EXITCOND_1:%.*]] = icmp eq i32 [[INC_1]], 128
79; CHECK-NEXT:    br i1 [[EXITCOND_1]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
80;
81entry:
82  %0 = load i32, i32* getelementptr inbounds ([10 x i32], [10 x i32]* @shift, i32 0, i32 0), align 4
83  %1 = load i32, i32* getelementptr inbounds ([10 x i32], [10 x i32]* @shift, i32 0, i32 1), align 4
84  %2 = load i8*, i8** getelementptr inbounds ([10 x i8*], [10 x i8*]* @data, i32 0, i32 0), align 4
85  %3 = load i8*, i8** getelementptr inbounds ([10 x i8*], [10 x i8*]* @data, i32 0, i32 1), align 4
86  %shr = lshr i32 1, %0
87  %arrayidx = getelementptr inbounds i8, i8* %2, i32 %shr
88  %shr1 = lshr i32 1, %1
89  %arrayidx2 = getelementptr inbounds i8, i8* %3, i32 %shr1
90  br label %for.body
91
92for.cond.cleanup:                                 ; preds = %for.body
93  ret void
94
95for.body:                                         ; preds = %for.body, %entry
96  %d1_data.046 = phi i8* [ %3, %entry ], [ %add.ptr23.1, %for.body ]
97  %y.045 = phi i32 [ 0, %entry ], [ %inc.1, %for.body ]
98  %4 = load i8, i8* %arrayidx, align 1
99  %conv = zext i8 %4 to i32
100  %sub = add nsw i32 %conv, -128
101  %5 = load i8, i8* %arrayidx2, align 1
102  %conv3 = zext i8 %5 to i32
103  %sub4 = add nsw i32 %conv3, -128
104  %cmp5 = icmp sgt i32 %sub, -1
105  %sub7 = sub nsw i32 128, %conv
106  %cond = select i1 %cmp5, i32 %sub, i32 %sub7
107  %cmp8 = icmp sgt i32 %sub4, -1
108  %sub12 = sub nsw i32 128, %conv3
109  %cond14 = select i1 %cmp8, i32 %sub4, i32 %sub12
110  %add = add nsw i32 %cond14, %cond
111  %idx.neg = sub nsw i32 0, %add
112  %add.ptr = getelementptr inbounds i8, i8* %d1_data.046, i32 %idx.neg
113  %6 = load i8, i8* %add.ptr, align 1
114  %conv15 = zext i8 %6 to i32
115  %add16 = add nsw i32 %conv15, %intensity
116  %conv17 = trunc i32 %add16 to i8
117  store i8 %conv17, i8* %add.ptr, align 1
118  %add.ptr18 = getelementptr inbounds i8, i8* %d1_data.046, i32 %add
119  %7 = load i8, i8* %add.ptr18, align 1
120  %not.tobool = icmp eq i8 %7, 0
121  %conv21 = zext i1 %not.tobool to i8
122  store i8 %conv21, i8* %add.ptr18, align 1
123  %add.ptr23 = getelementptr inbounds i8, i8* %d1_data.046, i32 %1
124  %8 = load i8, i8* %arrayidx, align 1
125  %conv.1 = zext i8 %8 to i32
126  %sub.1 = add nsw i32 %conv.1, -128
127  %9 = load i8, i8* %arrayidx2, align 1
128  %conv3.1 = zext i8 %9 to i32
129  %sub4.1 = add nsw i32 %conv3.1, -128
130  %cmp5.1 = icmp sgt i32 %sub.1, -1
131  %sub7.1 = sub nsw i32 128, %conv.1
132  %cond.1 = select i1 %cmp5.1, i32 %sub.1, i32 %sub7.1
133  %cmp8.1 = icmp sgt i32 %sub4.1, -1
134  %sub12.1 = sub nsw i32 128, %conv3.1
135  %cond14.1 = select i1 %cmp8.1, i32 %sub4.1, i32 %sub12.1
136  %add.1 = add nsw i32 %cond14.1, %cond.1
137  %idx.neg.1 = sub nsw i32 0, %add.1
138  %add.ptr.1 = getelementptr inbounds i8, i8* %add.ptr23, i32 %idx.neg.1
139  %10 = load i8, i8* %add.ptr.1, align 1
140  %conv15.1 = zext i8 %10 to i32
141  %add16.1 = add nsw i32 %conv15.1, %intensity
142  %conv17.1 = trunc i32 %add16.1 to i8
143  store i8 %conv17.1, i8* %add.ptr.1, align 1
144  %add.ptr18.1 = getelementptr inbounds i8, i8* %add.ptr23, i32 %add.1
145  %11 = load i8, i8* %add.ptr18.1, align 1
146  %not.tobool.1 = icmp eq i8 %11, 0
147  %conv21.1 = zext i1 %not.tobool.1 to i8
148  store i8 %conv21.1, i8* %add.ptr18.1, align 1
149  %add.ptr23.1 = getelementptr inbounds i8, i8* %add.ptr23, i32 %1
150  %inc.1 = add nsw i32 %y.045, 2
151  %exitcond.1 = icmp eq i32 %inc.1, 128
152  br i1 %exitcond.1, label %for.cond.cleanup, label %for.body
153}
154