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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-code \
; RUN: -disable-output < %s | \
; RUN: FileCheck -check-prefix=CODE %s
; REQUIRES: pollyacc
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; This test case took at some point forever to schedule, as the isl scheduler
; seems to have problems if domain constraints appear in the dependences
; provided to the scheduler.
; /* D := alpha*A*B*C + beta*D */
; for (i = 0; i < _PB_NI; i++)
; for (j = 0; j < _PB_NJ; j++)
; {
; tmp[i][j] = 0;
; for (k = 0; k < _PB_NK; ++k)
; tmp[i][j] += alpha * A[i][k] * B[k][j];
; }
; for (i = 0; i < _PB_NI; i++)
; for (j = 0; j < _PB_NL; j++)
; {
; D[i][j] *= beta;
; for (k = 0; k < _PB_NJ; ++k)
; D[i][j] += tmp[i][k] * C[k][j];
; }
; CODE: cudaCheckReturn(cudaMemcpy(dev_MemRef_A, MemRef_A, (4096) * (4096) * sizeof(float), cudaMemcpyHostToDevice));
; CODE-NEXT: cudaCheckReturn(cudaMemcpy(dev_MemRef_B, MemRef_B, (4096) * (4096) * sizeof(float), cudaMemcpyHostToDevice));
; CODE-NEXT: cudaCheckReturn(cudaMemcpy(dev_MemRef_D, MemRef_D, (4096) * (4096) * sizeof(float), cudaMemcpyHostToDevice));
; CODE-NEXT: cudaCheckReturn(cudaMemcpy(dev_MemRef_C, MemRef_C, (4096) * (4096) * sizeof(float), cudaMemcpyHostToDevice));
; CODE-NEXT: {
; CODE-NEXT: dim3 k0_dimBlock(16, 32);
; CODE-NEXT: dim3 k0_dimGrid(128, 128);
; CODE-NEXT: kernel0 <<<k0_dimGrid, k0_dimBlock>>> (dev_MemRef_tmp, dev_MemRef_A, MemRef_alpha, dev_MemRef_B);
; CODE-NEXT: cudaCheckKernel();
; CODE-NEXT: }
; CODE: {
; CODE-NEXT: dim3 k1_dimBlock(16, 32);
; CODE-NEXT: dim3 k1_dimGrid(128, 128);
; CODE-NEXT: kernel1 <<<k1_dimGrid, k1_dimBlock>>> (dev_MemRef_tmp, dev_MemRef_D, MemRef_beta, dev_MemRef_C);
; CODE-NEXT: cudaCheckKernel();
; CODE-NEXT: }
; CODE: cudaCheckReturn(cudaMemcpy(MemRef_tmp, dev_MemRef_tmp, (4096) * (4096) * sizeof(float), cudaMemcpyDeviceToHost));
; CODE-NEXT: cudaCheckReturn(cudaMemcpy(MemRef_D, dev_MemRef_D, (4096) * (4096) * sizeof(float), cudaMemcpyDeviceToHost));
; CODE: # kernel0
; CODE-NEXT: for (int c2 = 0; c2 <= 127; c2 += 1)
; CODE-NEXT: for (int c4 = 0; c4 <= 1; c4 += 1) {
; CODE-NEXT: if (c2 == 0)
; CODE-NEXT: Stmt_for_body6(32 * b0 + t0, 32 * b1 + t1 + 16 * c4);
; CODE-NEXT: for (int c5 = 0; c5 <= 31; c5 += 1)
; CODE-NEXT: Stmt_for_body11(32 * b0 + t0, 32 * b1 + t1 + 16 * c4, 32 * c2 + c5);
; CODE-NEXT: }
; CODE: # kernel1
; CODE-NEXT: for (int c2 = 0; c2 <= 127; c2 += 1)
; CODE-NEXT: for (int c4 = 0; c4 <= 1; c4 += 1) {
; CODE-NEXT: if (c2 == 0)
; CODE-NEXT: Stmt_for_body36(32 * b0 + t0, 32 * b1 + t1 + 16 * c4);
; CODE-NEXT: for (int c5 = 0; c5 <= 31; c5 += 1)
; CODE-NEXT: Stmt_for_body44(32 * b0 + t0, 32 * b1 + t1 + 16 * c4, 32 * c2 + c5);
; CODE-NEXT: }
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start(i64, i8* nocapture) #0
; Function Attrs: nounwind uwtable
define internal void @kernel_2mm(i32 %ni, i32 %nj, i32 %nk, i32 %nl, float %alpha, float %beta, [4096 x float]* %tmp, [4096 x float]* %A, [4096 x float]* %B, [4096 x float]* %C, [4096 x float]* %D) #1 {
entry:
br label %entry.split
entry.split: ; preds = %entry
br label %for.cond4.preheader
for.cond4.preheader: ; preds = %entry.split, %for.inc28
%indvars.iv19 = phi i64 [ 0, %entry.split ], [ %indvars.iv.next20, %for.inc28 ]
br label %for.body6
for.cond31.preheader: ; preds = %for.inc28
br label %for.cond34.preheader
for.body6: ; preds = %for.cond4.preheader, %for.inc25
%indvars.iv16 = phi i64 [ 0, %for.cond4.preheader ], [ %indvars.iv.next17, %for.inc25 ]
%arrayidx8 = getelementptr inbounds [4096 x float], [4096 x float]* %tmp, i64 %indvars.iv19, i64 %indvars.iv16
store float 0.000000e+00, float* %arrayidx8, align 4, !tbaa !1
br label %for.body11
for.body11: ; preds = %for.body6, %for.body11
%indvars.iv13 = phi i64 [ 0, %for.body6 ], [ %indvars.iv.next14, %for.body11 ]
%arrayidx15 = getelementptr inbounds [4096 x float], [4096 x float]* %A, i64 %indvars.iv19, i64 %indvars.iv13
%tmp22 = load float, float* %arrayidx15, align 4, !tbaa !1
%mul = fmul float %tmp22, %alpha
%arrayidx19 = getelementptr inbounds [4096 x float], [4096 x float]* %B, i64 %indvars.iv13, i64 %indvars.iv16
%tmp23 = load float, float* %arrayidx19, align 4, !tbaa !1
%mul20 = fmul float %mul, %tmp23
%arrayidx24 = getelementptr inbounds [4096 x float], [4096 x float]* %tmp, i64 %indvars.iv19, i64 %indvars.iv16
%tmp24 = load float, float* %arrayidx24, align 4, !tbaa !1
%add = fadd float %tmp24, %mul20
store float %add, float* %arrayidx24, align 4, !tbaa !1
%indvars.iv.next14 = add nuw nsw i64 %indvars.iv13, 1
%exitcond15 = icmp ne i64 %indvars.iv.next14, 4096
br i1 %exitcond15, label %for.body11, label %for.inc25
for.inc25: ; preds = %for.body11
%indvars.iv.next17 = add nuw nsw i64 %indvars.iv16, 1
%exitcond18 = icmp ne i64 %indvars.iv.next17, 4096
br i1 %exitcond18, label %for.body6, label %for.inc28
for.inc28: ; preds = %for.inc25
%indvars.iv.next20 = add nuw nsw i64 %indvars.iv19, 1
%exitcond21 = icmp ne i64 %indvars.iv.next20, 4096
br i1 %exitcond21, label %for.cond4.preheader, label %for.cond31.preheader
for.cond34.preheader: ; preds = %for.cond31.preheader, %for.inc65
%indvars.iv10 = phi i64 [ 0, %for.cond31.preheader ], [ %indvars.iv.next11, %for.inc65 ]
br label %for.body36
for.body36: ; preds = %for.cond34.preheader, %for.inc62
%indvars.iv7 = phi i64 [ 0, %for.cond34.preheader ], [ %indvars.iv.next8, %for.inc62 ]
%arrayidx40 = getelementptr inbounds [4096 x float], [4096 x float]* %D, i64 %indvars.iv10, i64 %indvars.iv7
%tmp25 = load float, float* %arrayidx40, align 4, !tbaa !1
%mul41 = fmul float %tmp25, %beta
store float %mul41, float* %arrayidx40, align 4, !tbaa !1
br label %for.body44
for.body44: ; preds = %for.body36, %for.body44
%indvars.iv = phi i64 [ 0, %for.body36 ], [ %indvars.iv.next, %for.body44 ]
%arrayidx48 = getelementptr inbounds [4096 x float], [4096 x float]* %tmp, i64 %indvars.iv10, i64 %indvars.iv
%tmp26 = load float, float* %arrayidx48, align 4, !tbaa !1
%arrayidx52 = getelementptr inbounds [4096 x float], [4096 x float]* %C, i64 %indvars.iv, i64 %indvars.iv7
%tmp27 = load float, float* %arrayidx52, align 4, !tbaa !1
%mul53 = fmul float %tmp26, %tmp27
%arrayidx57 = getelementptr inbounds [4096 x float], [4096 x float]* %D, i64 %indvars.iv10, i64 %indvars.iv7
%tmp28 = load float, float* %arrayidx57, align 4, !tbaa !1
%add58 = fadd float %tmp28, %mul53
store float %add58, float* %arrayidx57, align 4, !tbaa !1
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp ne i64 %indvars.iv.next, 4096
br i1 %exitcond, label %for.body44, label %for.inc62
for.inc62: ; preds = %for.body44
%indvars.iv.next8 = add nuw nsw i64 %indvars.iv7, 1
%exitcond9 = icmp ne i64 %indvars.iv.next8, 4096
br i1 %exitcond9, label %for.body36, label %for.inc65
for.inc65: ; preds = %for.inc62
%indvars.iv.next11 = add nuw nsw i64 %indvars.iv10, 1
%exitcond12 = icmp ne i64 %indvars.iv.next11, 4096
br i1 %exitcond12, label %for.cond34.preheader, label %for.end67
for.end67: ; preds = %for.inc65
ret void
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end(i64, i8* nocapture) #0
attributes #0 = { argmemonly nounwind }
attributes #1 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.ident = !{!0}
!0 = !{!"clang version 3.9.0 (trunk 275267) (llvm/trunk 275268)"}
!1 = !{!2, !2, i64 0}
!2 = !{!"float", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C/C++ TBAA"}
|
