1 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -dce -instcombine -pass-remarks=loop-vectorize -pass-remarks-missed=loop-vectorize -S 2>&1 | FileCheck %s -check-prefix=OVERRIDE
2 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -pragma-vectorize-memory-check-threshold=6 -dce -instcombine -pass-remarks=loop-vectorize -pass-remarks-missed=loop-vectorize -S 2>&1 | FileCheck %s
4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
6 ; First loop produced diagnostic pass remark.
7 ;CHECK: remark: {{.*}}:0:0: vectorized loop (vectorization width: 4, interleaved count: 1)
8 ; Second loop produces diagnostic analysis remark.
9 ;CHECK: remark: {{.*}}:0:0: loop not vectorized: cannot prove it is safe to reorder memory operations
11 ; First loop produced diagnostic pass remark.
12 ;OVERRIDE: remark: {{.*}}:0:0: vectorized loop (vectorization width: 4, interleaved count: 1)
13 ; Second loop produces diagnostic pass remark.
14 ;OVERRIDE: remark: {{.*}}:0:0: vectorized loop (vectorization width: 4, interleaved count: 1)
16 ; We are vectorizing with 6 runtime checks.
17 ;CHECK-LABEL: func1x6(
20 ;OVERRIDE-LABEL: func1x6(
23 define i32 @func1x6(i32* nocapture %out, i32* nocapture %A, i32* nocapture %B, i32* nocapture %C, i32* nocapture %D, i32* nocapture %E, i32* nocapture %F) {
27 for.body: ; preds = %for.body, %entry
28 %i.016 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
29 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %i.016
30 %0 = load i32, i32* %arrayidx, align 4
31 %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 %i.016
32 %1 = load i32, i32* %arrayidx1, align 4
33 %add = add nsw i32 %1, %0
34 %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %i.016
35 %2 = load i32, i32* %arrayidx2, align 4
36 %add3 = add nsw i32 %add, %2
37 %arrayidx4 = getelementptr inbounds i32, i32* %E, i64 %i.016
38 %3 = load i32, i32* %arrayidx4, align 4
39 %add5 = add nsw i32 %add3, %3
40 %arrayidx6 = getelementptr inbounds i32, i32* %F, i64 %i.016
41 %4 = load i32, i32* %arrayidx6, align 4
42 %add7 = add nsw i32 %add5, %4
43 %arrayidx8 = getelementptr inbounds i32, i32* %out, i64 %i.016
44 store i32 %add7, i32* %arrayidx8, align 4
45 %inc = add i64 %i.016, 1
46 %exitcond = icmp eq i64 %inc, 256
47 br i1 %exitcond, label %for.end, label %for.body
49 for.end: ; preds = %for.body
53 ; We are not vectorizing with 12 runtime checks.
54 ;CHECK-LABEL: func2x6(
57 ; We vectorize with 12 checks if a vectorization hint is provided.
58 ;OVERRIDE-LABEL: func2x6(
61 define i32 @func2x6(i32* nocapture %out, i32* nocapture %out2, i32* nocapture %A, i32* nocapture %B, i32* nocapture %C, i32* nocapture %D, i32* nocapture %E, i32* nocapture %F) {
65 for.body: ; preds = %for.body, %entry
66 %i.037 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
67 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %i.037
68 %0 = load i32, i32* %arrayidx, align 4
69 %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 %i.037
70 %1 = load i32, i32* %arrayidx1, align 4
71 %add = add nsw i32 %1, %0
72 %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %i.037
73 %2 = load i32, i32* %arrayidx2, align 4
74 %add3 = add nsw i32 %add, %2
75 %arrayidx4 = getelementptr inbounds i32, i32* %E, i64 %i.037
76 %3 = load i32, i32* %arrayidx4, align 4
77 %add5 = add nsw i32 %add3, %3
78 %arrayidx6 = getelementptr inbounds i32, i32* %F, i64 %i.037
79 %4 = load i32, i32* %arrayidx6, align 4
80 %add7 = add nsw i32 %add5, %4
81 %arrayidx8 = getelementptr inbounds i32, i32* %out, i64 %i.037
82 store i32 %add7, i32* %arrayidx8, align 4
83 %5 = load i32, i32* %arrayidx, align 4
84 %6 = load i32, i32* %arrayidx1, align 4
85 %add11 = add nsw i32 %6, %5
86 %7 = load i32, i32* %arrayidx2, align 4
87 %add13 = add nsw i32 %add11, %7
88 %8 = load i32, i32* %arrayidx4, align 4
89 %add15 = add nsw i32 %add13, %8
90 %9 = load i32, i32* %arrayidx6, align 4
91 %add17 = add nsw i32 %add15, %9
92 %arrayidx18 = getelementptr inbounds i32, i32* %out2, i64 %i.037
93 store i32 %add17, i32* %arrayidx18, align 4
94 %inc = add i64 %i.037, 1
95 %exitcond = icmp eq i64 %inc, 256
96 br i1 %exitcond, label %for.end, label %for.body
98 for.end: ; preds = %for.body