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comparison polly/test/ForwardOpTree/forward_transitive.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children 0572611fdcc8
comparison
equal deleted inserted replaced
147:c2174574ed3a 150:1d019706d866
1 ; RUN: opt %loadPolly -polly-optree -analyze < %s | FileCheck %s -match-full-lines
2 ;
3 ; Move %v and %val to %bodyB, so %bodyA can be removed (by -polly-simplify)
4 ;
5 ; for (int j = 0; j < n; j += 1) {
6 ; bodyA:
7 ; double val1 = 12.5 + 12.5;
8 ;
9 ; bodyB:
10 ; double val2 = 21.0 + 21.0;
11 ;
12 ; bodyC:
13 ; A[0] = val2;
14 ; }
15 ;
16 define void @func(i32 %n, double* noalias nonnull %A) {
17 entry:
18 br label %for
19
20 for:
21 %j = phi i32 [0, %entry], [%j.inc, %inc]
22 %j.cmp = icmp slt i32 %j, %n
23 br i1 %j.cmp, label %bodyA, label %exit
24
25 bodyA:
26 %val1 = fadd double 12.5, 12.5
27 br label %bodyB
28
29 bodyB:
30 %val2 = fadd double %val1, 21.0
31 br label %bodyC
32
33 bodyC:
34 store double %val2, double* %A
35 br label %inc
36
37 inc:
38 %j.inc = add nuw nsw i32 %j, 1
39 br label %for
40
41 exit:
42 br label %return
43
44 return:
45 ret void
46 }
47
48
49 ; CHECK: Statistics {
50 ; CHECK: Instructions copied: 3
51 ; CHECK: Operand trees forwarded: 2
52 ; CHECK: Statements with forwarded operand trees: 2
53 ; CHECK: }
54
55 ; CHECK: After statements {
56 ; CHECK-NEXT: Stmt_bodyA
57 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
58 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val1[] };
59 ; CHECK-NEXT: Instructions {
60 ; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
61 ; CHECK-NEXT: }
62 ; CHECK-NEXT: Stmt_bodyB
63 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
64 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_val2[] };
65 ; CHECK-NEXT: Instructions {
66 ; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
67 ; CHECK-NEXT: %val2 = fadd double %val1, 2.100000e+01
68 ; CHECK-NEXT: }
69 ; CHECK-NEXT: Stmt_bodyC
70 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
71 ; CHECK-NEXT: [n] -> { Stmt_bodyC[i0] -> MemRef_A[0] };
72 ; CHECK-NEXT: Instructions {
73 ; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
74 ; CHECK-NEXT: %val2 = fadd double %val1, 2.100000e+01
75 ; CHECK-NEXT: store double %val2, double* %A
76 ; CHECK-NEXT: }
77 ; CHECK-NEXT: }