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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
| ; RUN: llc -march=hexagon < %s | FileCheck %s
; Check that there are no packets with two or more instructions, except
; for the endloop packet.
; This is the expected code:
;
; p0 = cmp.gt(r3,#0)
; if (!p0) jump:nt .LBB0_3
; loop0(.LBB0_2,r3)
; r3 = memw(r1++#4)
; r4 = memw(r2++#4)
; r3 = add(r4,r3)
; memw(r0++#4) = r3
; { nop; nop }:endloop0
; jumpr r31
; CHECK-LABEL: fred:
; CHECK: {
; CHECK-NEXT: cmp
; CHECK-NEXT: }
; CHECK: {
; CHECK-NEXT: jump
; CHECK-NEXT: }
; CHECK: {
; CHECK-NEXT: loop0
; CHECK-NEXT: }
; CHECK: {
; CHECK-NEXT: memw
; CHECK-NEXT: }
; CHECK: {
; CHECK-NEXT: memw
; CHECK-NEXT: }
; CHECK: {
; CHECK-NEXT: add
; CHECK-NEXT: }
; CHECK: {
; CHECK-NEXT: memw
; CHECK-NEXT: }
; CHECK: {
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: }{{[ \t]*}}:endloop0
; CHECK: {
; CHECK-NEXT: jumpr r31
; CHECK-NEXT: }
target triple = "hexagon"
define void @fred(i32* nocapture %a0, i32* nocapture readonly %a1, i32* nocapture readonly %a2, i32 %a3) local_unnamed_addr #0 {
b4:
%v5 = icmp sgt i32 %a3, 0
br i1 %v5, label %b6, label %b21
b6: ; preds = %b4
br label %b7
b7: ; preds = %b7, %b6
%v8 = phi i32 [ %v18, %b7 ], [ 0, %b6 ]
%v9 = phi i32* [ %v17, %b7 ], [ %a0, %b6 ]
%v10 = phi i32* [ %v14, %b7 ], [ %a2, %b6 ]
%v11 = phi i32* [ %v12, %b7 ], [ %a1, %b6 ]
%v12 = getelementptr inbounds i32, i32* %v11, i32 1
%v13 = load i32, i32* %v11, align 4
%v14 = getelementptr inbounds i32, i32* %v10, i32 1
%v15 = load i32, i32* %v10, align 4
%v16 = add nsw i32 %v15, %v13
%v17 = getelementptr inbounds i32, i32* %v9, i32 1
store i32 %v16, i32* %v9, align 4
%v18 = add nuw nsw i32 %v8, 1
%v19 = icmp eq i32 %v18, %a3
br i1 %v19, label %b20, label %b7
b20: ; preds = %b7
br label %b21
b21: ; preds = %b20, %b4
ret void
}
attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="-packets" }
|