source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/Hexagon/hwloop-recursion.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 1.7 KB
Line 
1; RUN: llc -O2 -march=hexagon -mcpu=hexagonv5 < %s
2; REQUIRES: asserts
3; Check for successful compilation.
4
5@c = common global i32 0, align 4
6@e = common global i32 0, align 4
7@g = common global i32* null, align 4
8@a = common global i32 0, align 4
9@b = common global i32 0, align 4
10@h = common global i32* null, align 4
11@d = common global i32 0, align 4
12@f = common global i32 0, align 4
13
14define i32 @fn1([0 x i32]* nocapture readnone %p1) #0 {
15entry:
16  %0 = load i32*, i32** @h, align 4
17  %1 = load i32*, i32** @g, align 4
18  %.pre = load i32, i32* @c, align 4
19  br label %for.cond
20
21for.cond:
22  %2 = phi i32 [ %10, %if.end ], [ %.pre, %entry ]
23  store i32 %2, i32* @e, align 4
24  %tobool5 = icmp eq i32 %2, 0
25  br i1 %tobool5, label %for.end, label %for.body.lr.ph
26
27for.body.lr.ph:
28  %3 = sub i32 -5, %2
29  %4 = urem i32 %3, 5
30  %5 = sub i32 %3, %4
31  br label %for.body
32
33for.body:
34  %add6 = phi i32 [ %2, %for.body.lr.ph ], [ %add, %for.body ]
35  %6 = load i32, i32* %1, align 4
36  store i32 %6, i32* @a, align 4
37  %add = add nsw i32 %add6, 5
38  %tobool = icmp eq i32 %add, 0
39  br i1 %tobool, label %for.cond1.for.end_crit_edge, label %for.body
40
41for.cond1.for.end_crit_edge:
42  %7 = add i32 %2, 5
43  %8 = add i32 %7, %5
44  store i32 %8, i32* @e, align 4
45  br label %for.end
46
47for.end:
48  %9 = load i32, i32* @b, align 4
49  %tobool2 = icmp eq i32 %9, 0
50  br i1 %tobool2, label %if.end, label %if.then
51
52if.then:
53  store i32 0, i32* %0, align 4
54  %.pre7 = load i32, i32* @c, align 4
55  br label %if.end
56
57if.end:
58  %10 = phi i32 [ %2, %for.end ], [ %.pre7, %if.then ]
59  store i32 %10, i32* @d, align 4
60  %11 = load i32, i32* @f, align 4
61  %inc = add nsw i32 %11, 1
62  store i32 %inc, i32* @f, align 4
63  br label %for.cond
64}
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