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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
| ; RUN: llc -march=hexagon -verify-machineinstrs=true < %s | FileCheck %s
; Testing for these 5 variants of circular store:
; Q6_circ_store_update_B(inputLR, pDelay, -1, nConvLength, 4);
; Q6_circ_store_update_D(inputLR, pDelay, -1, nConvLength, 4);
; Q6_circ_store_update_HL(inputLR, pDelay, -1, nConvLength, 4);
; Q6_circ_store_update_HH(inputLR, pDelay, -1, nConvLength, 4);
; Q6_circ_store_update_W(inputLR, pDelay, -1, nConvLength, 4);
; producing these
; memb(r1++#-1:circ(m0)) = r3
; memd(r1++#-8:circ(m0)) = r1:0
; memh(r1++#-2:circ(m0)) = r3
; memh(r1++#-2:circ(m0)) = r3.h
; memw(r1++#-4:circ(m0)) = r0
target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
target triple = "hexagon"
define zeroext i8 @foo1(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
entry:
%conv = zext i16 %filtMemLen to i32
%shr2 = lshr i32 %conv, 1
%idxprom = sext i16 %filtMemIndex to i32
%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
%0 = bitcast i16* %arrayidx to i8*
%or = or i32 %shr2, 33554432
; CHECK: memb(r{{[0-9]+}}++#-1:circ(m{{[0-1]}}))
%1 = tail call i8* @llvm.hexagon.circ.stb(i8* %0, i32 0, i32 %or, i32 -1)
ret i8 0
}
declare i8* @llvm.hexagon.circ.stb(i8*, i32, i32, i32) nounwind
define i64 @foo2(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
entry:
%conv = zext i16 %filtMemLen to i32
%shr1 = lshr i32 %conv, 1
%idxprom = sext i16 %filtMemIndex to i32
%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
%0 = bitcast i16* %arrayidx to i8*
%shl = shl nuw nsw i32 %shr1, 3
%or = or i32 %shl, 83886080
; CHECK: memd(r{{[0-9]+}}++#-8:circ(m{{[0-1]}}))
%1 = tail call i8* @llvm.hexagon.circ.std(i8* %0, i64 undef, i32 %or, i32 -8)
ret i64 0
}
declare i8* @llvm.hexagon.circ.std(i8*, i64, i32, i32) nounwind
define signext i16 @foo3(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
entry:
%conv = zext i16 %filtMemLen to i32
%shr2 = and i32 %conv, 65534
%idxprom = sext i16 %filtMemIndex to i32
%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
%0 = bitcast i16* %arrayidx to i8*
%or = or i32 %shr2, 50331648
; CHECK: memh(r{{[0-9]+}}++#-2:circ(m{{[0-1]}}))
%1 = tail call i8* @llvm.hexagon.circ.sth(i8* %0, i32 0, i32 %or, i32 -2)
ret i16 0
}
declare i8* @llvm.hexagon.circ.sth(i8*, i32, i32, i32) nounwind
define signext i16 @foo5(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
entry:
%conv = zext i16 %filtMemLen to i32
%shr2 = and i32 %conv, 65534
%idxprom = sext i16 %filtMemIndex to i32
%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
%0 = bitcast i16* %arrayidx to i8*
%or = or i32 %shr2, 50331648
; CHECK: memh(r{{[0-9]+}}++#-2:circ(m{{[0-1]}})) = r{{[0-9]*}}.h
%1 = tail call i8* @llvm.hexagon.circ.sthhi(i8* %0, i32 0, i32 %or, i32 -2)
ret i16 0
}
declare i8* @llvm.hexagon.circ.sthhi(i8*, i32, i32, i32) nounwind
define i32 @foo6(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
entry:
%conv = zext i16 %filtMemLen to i32
%shr1 = lshr i32 %conv, 1
%idxprom = sext i16 %filtMemIndex to i32
%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
%0 = bitcast i16* %arrayidx to i8*
%shl = shl nuw nsw i32 %shr1, 2
%or = or i32 %shl, 67108864
; CHECK: memw(r{{[0-9]+}}++#-4:circ(m{{[0-1]}}))
%1 = tail call i8* @llvm.hexagon.circ.stw(i8* %0, i32 undef, i32 %or, i32 -4)
ret i32 0
}
declare i8* @llvm.hexagon.circ.stw(i8*, i32, i32, i32) nounwind
!0 = !{!"omnipotent char", !1}
!1 = !{!"Simple C/C++ TBAA"}
!2 = !{!"short", !0}
!3 = !{!"int", !0}
|