llvm-project

1
; RUN: opt %loadNPMPolly -polly-process-unprofitable=false \
2
; RUN:                -polly-detect-profitability-min-per-loop-insts=40 \
3
; RUN: '-passes=print<polly-detect>' -disable-output < %s 2>&1 | FileCheck %s -check-prefix=PROFITABLE
4

5
; RUN: opt %loadNPMPolly -polly-process-unprofitable=true \
6
; RUN: '-passes=print<polly-detect>' -disable-output < %s 2>&1 | FileCheck %s -check-prefix=PROFITABLE
7

8
; RUN: opt %loadNPMPolly -polly-process-unprofitable=false \
9
; RUN: '-passes=print<polly-detect>' -disable-output < %s 2>&1 | FileCheck %s -check-prefix=UNPROFITABLE
10

11
; UNPROFITABLE-NOT: Valid Region for Scop:
12
; PROFITABLE: Valid Region for Scop:
13

14
;    void foo(float *A, float *B, long N) {
15
;      for (long i = 0; i < 100; i++)
16
;          A[i] += .... / * a  lot of compute */
17
;    }
18
;
19
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
20

21
define void @foo(ptr %A, ptr %B, i64 %N) {
22
entry:
23
  br label %header
24

25
header:
26
  %i.0 = phi i64 [ 0, %entry ], [ %tmp10, %header ]
27
  %tmp5 = sitofp i64 %i.0 to float
28
  %tmp6 = getelementptr inbounds float, ptr %A, i64 %i.0
29
  %tmp7 = load float, ptr %tmp6, align 4
30
  %tmp8 = fadd float %tmp7, %tmp5
31
  %val0 = fadd float %tmp7, 1.0
32
  %val1 = fadd float %val0, 1.0
33
  %val2 = fadd float %val1, 1.0
34
  %val3 = fadd float %val2, 1.0
35
  %val4 = fadd float %val3, 1.0
36
  %val5 = fadd float %val4, 1.0
37
  %val6 = fadd float %val5, 1.0
38
  %val7 = fadd float %val6, 1.0
39
  %val8 = fadd float %val7, 1.0
40
  %val9 = fadd float %val8, 1.0
41
  %val10 = fadd float %val9, 1.0
42
  %val11 = fadd float %val10, 1.0
43
  %val12 = fadd float %val11, 1.0
44
  %val13 = fadd float %val12, 1.0
45
  %val14 = fadd float %val13, 1.0
46
  %val15 = fadd float %val14, 1.0
47
  %val16 = fadd float %val15, 1.0
48
  %val17 = fadd float %val16, 1.0
49
  %val18 = fadd float %val17, 1.0
50
  %val19 = fadd float %val18, 1.0
51
  %val20 = fadd float %val19, 1.0
52
  %val21 = fadd float %val20, 1.0
53
  %val22 = fadd float %val21, 1.0
54
  %val23 = fadd float %val22, 1.0
55
  %val24 = fadd float %val23, 1.0
56
  %val25 = fadd float %val24, 1.0
57
  %val26 = fadd float %val25, 1.0
58
  %val27 = fadd float %val26, 1.0
59
  %val28 = fadd float %val27, 1.0
60
  %val29 = fadd float %val28, 1.0
61
  %val30 = fadd float %val29, 1.0
62
  %val31 = fadd float %val30, 1.0
63
  %val32 = fadd float %val31, 1.0
64
  %val33 = fadd float %val32, 1.0
65
  %val34 = fadd float %val33, 1.0
66
  %val35 = fadd float %val34, 1.0
67
  %val36 = fadd float %val35, 1.0
68
  %val37 = fadd float %val36, 1.0
69
  %val38 = fadd float %val37, 1.0
70
  %val39 = fadd float %val38, 1.0
71
  %val40 = fadd float %val39, 1.0
72
  %val41 = fadd float %val40, 1.0
73
  %val42 = fadd float %val41, 1.0
74
  %val43 = fadd float %val42, 1.0
75
  store float %val34, ptr %tmp6, align 4
76
  %exitcond = icmp ne i64 %i.0, 100
77
  %tmp10 = add nsw i64 %i.0, 1
78
  br i1 %exitcond, label %header, label %exit
79

80
exit:
81
  ret void
82
}
83