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comparison polly/test/ForwardOpTree/forward_synthesizable_definloop.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 ; Copy %val to bodyB, assuming the exit value of %i.
4 ;
5 ; for (int j = 0; j < n; j += 1) {
6 ; double val;
7 ; for (int i = 0; i < 128; i += 1) {
8 ; bodyA:
9 ; val = j;
10 ; }
11 ;
12 ; bodyB:
13 ; A[0] = val;
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 %inner.for, label %exit
24
25 inner.for:
26 %i = phi i32 [0, %for], [%i.inc, %inner.inc]
27 br label %bodyA
28
29
30 bodyA:
31 %val = sitofp i32 %i to double
32 br label %inner.inc
33
34
35 inner.inc:
36 %i.inc = add nuw nsw i32 %i, 1
37 %i.cmp = icmp slt i32 %i.inc, 128
38 br i1 %i.cmp, label %inner.for, label %inner.exit
39
40 inner.exit:
41 br label %bodyB
42
43
44 bodyB:
45 store double %val, double* %A
46 br label %inc
47
48 inc:
49 %j.inc = add nuw nsw i32 %j, 1
50 br label %for
51
52 exit:
53 br label %return
54
55 return:
56 ret void
57 }
58
59
60 ; CHECK: Statistics {
61 ; CHECK: Instructions copied: 1
62 ; CHECK: Operand trees forwarded: 1
63 ; CHECK: Statements with forwarded operand trees: 1
64 ; CHECK: }
65
66 ; CHECK: After statements {
67 ; CHECK-NEXT: Stmt_bodyA
68 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
69 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0, i1] -> MemRef_val[] };
70 ; CHECK-NEXT: Instructions {
71 ; CHECK-NEXT: %val = sitofp i32 %i to double
72 ; CHECK-NEXT: }
73 ; CHECK-NEXT: Stmt_bodyB
74 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
75 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_A[0] };
76 ; CHECK-NEXT: Instructions {
77 ; CHECK-NEXT: %val = sitofp i32 %i to double
78 ; CHECK-NEXT: store double %val, double* %A
79 ; CHECK-NEXT: }
80 ; CHECK-NEXT: }