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
| ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner -pipeliner-max-stages=2 < %s
; REQUIRES: asserts
; This tests check that a dependence is created between a Phi and it's uses.
; An assert occurs if the Phi dependences are not correct.
define void @test1(i32* %f2, i32 %nc) {
entry:
%i.011 = add i32 %nc, -1
%cmp12 = icmp sgt i32 %i.011, 1
br i1 %cmp12, label %for.body.preheader, label %for.end
for.body.preheader:
%0 = add i32 %nc, -2
%scevgep = getelementptr i32, i32* %f2, i32 %0
%sri = load i32, i32* %scevgep, align 4
%scevgep15 = getelementptr i32, i32* %f2, i32 %i.011
%sri16 = load i32, i32* %scevgep15, align 4
br label %for.body
for.body:
%i.014 = phi i32 [ %i.0, %for.body ], [ %i.011, %for.body.preheader ]
%i.0.in13 = phi i32 [ %i.014, %for.body ], [ %nc, %for.body.preheader ]
%sr = phi i32 [ %1, %for.body ], [ %sri, %for.body.preheader ]
%sr17 = phi i32 [ %sr, %for.body ], [ %sri16, %for.body.preheader ]
%arrayidx = getelementptr inbounds i32, i32* %f2, i32 %i.014
%sub1 = add nsw i32 %i.0.in13, -3
%arrayidx2 = getelementptr inbounds i32, i32* %f2, i32 %sub1
%1 = load i32, i32* %arrayidx2, align 4
%sub3 = sub nsw i32 %sr17, %1
store i32 %sub3, i32* %arrayidx, align 4
%i.0 = add nsw i32 %i.014, -1
%cmp = icmp sgt i32 %i.0, 1
br i1 %cmp, label %for.body, label %for.end.loopexit
for.end.loopexit:
br label %for.end
for.end:
ret void
}
|