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
|
; RUN: opt %loadPolly -polly-print-simplify -disable-output < %s | FileCheck %s -match-full-lines
; RUN: opt %loadNPMPolly "-passes=scop(print<polly-simplify>)" -disable-output -aa-pipeline=basic-aa < %s | FileCheck %s -match-full-lines
;
; Do not remove dependencies of a phi node within a region statement (%phi).
;
define void @func(i32 %n, double* noalias nonnull %A, double %alpha) {
entry:
br label %for
for:
%j = phi i32 [0, %entry], [%j.inc, %inc]
%j.cmp = icmp slt i32 %j, %n
br i1 %j.cmp, label %body, label %exit
body:
%val = fadd double 21.0, 21.0
br label %region_entry
region_entry:
%region.cmp = fcmp ueq double %alpha, 0.0
br i1 %region.cmp, label %region_true, label %region_exit
region_true:
br i1 true, label %region_verytrue, label %region_mostlytrue
region_verytrue:
br label %region_mostlytrue
region_mostlytrue:
%phi = phi double [%val, %region_true], [0.0, %region_verytrue]
store double %phi, double* %A
br label %region_exit
region_exit:
br label %inc
inc:
%j.inc = add nuw nsw i32 %j, 1
br label %for
exit:
br label %return
return:
ret void
}
; CHECK: SCoP could not be simplified
|
