1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
| ; RUN: opt -S %loadPolly -basicaa -polly-opt-isl \
; RUN: -polly-pattern-matching-based-opts=false -polly-vectorizer=polly \
; RUN: -polly-ast -analyze < %s | FileCheck %s
; RUN: opt -S %loadPolly -basicaa -polly-opt-isl \
; RUN: -polly-pattern-matching-based-opts=false -polly-vectorizer=stripmine \
; RUN: -polly-ast -analyze < %s | FileCheck %s
; RUN: opt -S %loadPolly -basicaa -polly-opt-isl \
; RUN: -polly-vectorizer=polly -polly-pattern-matching-based-opts=false \
; RUN: -polly-ast -analyze -polly-prevect-width=16 < %s | \
; RUN: FileCheck %s -check-prefix=VEC16
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@C = common global [1536 x [1536 x float]] zeroinitializer, align 16
@A = common global [1536 x [1536 x float]] zeroinitializer, align 16
@B = common global [1536 x [1536 x float]] zeroinitializer, align 16
; Function Attrs: nounwind uwtable
define void @foo() #0 {
entry:
br label %entry.split
entry.split: ; preds = %entry
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %entry.split, %for.inc28
%indvar4 = phi i64 [ 0, %entry.split ], [ %indvar.next5, %for.inc28 ]
br label %for.body3
for.body3: ; preds = %for.cond1.preheader, %for.inc25
%indvar6 = phi i64 [ 0, %for.cond1.preheader ], [ %indvar.next7, %for.inc25 ]
%arrayidx24 = getelementptr [1536 x [1536 x float]], [1536 x [1536 x float]]* @C, i64 0, i64 %indvar4, i64 %indvar6
store float 0.000000e+00, float* %arrayidx24, align 4
br label %for.body8
for.body8: ; preds = %for.body3, %for.body8
%indvar = phi i64 [ 0, %for.body3 ], [ %indvar.next, %for.body8 ]
%arrayidx16 = getelementptr [1536 x [1536 x float]], [1536 x [1536 x float]]* @A, i64 0, i64 %indvar4, i64 %indvar
%arrayidx20 = getelementptr [1536 x [1536 x float]], [1536 x [1536 x float]]* @B, i64 0, i64 %indvar, i64 %indvar6
%0 = load float, float* %arrayidx24, align 4
%1 = load float, float* %arrayidx16, align 4
%2 = load float, float* %arrayidx20, align 4
%mul = fmul float %1, %2
%add = fadd float %0, %mul
store float %add, float* %arrayidx24, align 4
%indvar.next = add i64 %indvar, 1
%exitcond = icmp ne i64 %indvar.next, 1536
br i1 %exitcond, label %for.body8, label %for.inc25
for.inc25: ; preds = %for.body8
%indvar.next7 = add i64 %indvar6, 1
%exitcond8 = icmp ne i64 %indvar.next7, 1536
br i1 %exitcond8, label %for.body3, label %for.inc28
for.inc28: ; preds = %for.inc25
%indvar.next5 = add i64 %indvar4, 1
%exitcond9 = icmp ne i64 %indvar.next5, 1536
br i1 %exitcond9, label %for.cond1.preheader, label %for.end30
for.end30: ; preds = %for.inc28
ret void
}
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
; CHECK: #pragma known-parallel
; CHECK: for (int c0 = 0; c0 <= 47; c0 += 1)
; CHECK: for (int c1 = 0; c1 <= 47; c1 += 1)
; CHECK: for (int c2 = 0; c2 <= 31; c2 += 1)
; CHECK: for (int c3 = 0; c3 <= 7; c3 += 1)
; CHECK: // SIMD
; CHECK: for (int c4 = 0; c4 <= 3; c4 += 1)
; CHECK: Stmt_for_body3(32 * c0 + c2, 32 * c1 + 4 * c3 + c4);
; CHECK: #pragma known-parallel
; CHECK: for (int c0 = 0; c0 <= 47; c0 += 1)
; CHECK: for (int c1 = 0; c1 <= 47; c1 += 1)
; CHECK: for (int c2 = 0; c2 <= 47; c2 += 1)
; CHECK: for (int c3 = 0; c3 <= 31; c3 += 1)
; CHECK: for (int c4 = 0; c4 <= 7; c4 += 1)
; CHECK: for (int c5 = 0; c5 <= 31; c5 += 1)
; CHECK: // SIMD
; CHECK: for (int c6 = 0; c6 <= 3; c6 += 1)
; CHECK: Stmt_for_body8(32 * c0 + c3, 32 * c1 + 4 * c4 + c6, 32 * c2 + c5);
; VEC16: {
; VEC16: #pragma known-parallel
; VEC16: for (int c0 = 0; c0 <= 47; c0 += 1)
; VEC16: for (int c1 = 0; c1 <= 47; c1 += 1)
; VEC16: for (int c2 = 0; c2 <= 31; c2 += 1)
; VEC16: for (int c3 = 0; c3 <= 1; c3 += 1)
; VEC16: // SIMD
; VEC16: for (int c4 = 0; c4 <= 15; c4 += 1)
; VEC16: Stmt_for_body3(32 * c0 + c2, 32 * c1 + 16 * c3 + c4);
; VEC16: #pragma known-parallel
; VEC16: for (int c0 = 0; c0 <= 47; c0 += 1)
; VEC16: for (int c1 = 0; c1 <= 47; c1 += 1)
; VEC16: for (int c2 = 0; c2 <= 47; c2 += 1)
; VEC16: for (int c3 = 0; c3 <= 31; c3 += 1)
; VEC16: for (int c4 = 0; c4 <= 1; c4 += 1)
; VEC16: for (int c5 = 0; c5 <= 31; c5 += 1)
; VEC16: // SIMD
; VEC16: for (int c6 = 0; c6 <= 15; c6 += 1)
; VEC16: Stmt_for_body8(32 * c0 + c3, 32 * c1 + 16 * c4 + c6, 32 * c2 + c5);
; VEC16: }
!llvm.ident = !{!0}
!0 = !{!"clang version 3.5.0 "}
|