tail-pred-intrinsic-add-sat.ll
5.19 KB
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve -verify-machineinstrs -tail-predication=enabled -o - %s | FileCheck %s
define arm_aapcs_vfpcc void @uadd_sat(i16* noalias nocapture readonly %pSrcA, i16* noalias nocapture readonly %pSrcB, i16* noalias nocapture %pDst, i32 %blockSize) {
; CHECK-LABEL: uadd_sat:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: it eq
; CHECK-NEXT: popeq {r7, pc}
; CHECK-NEXT: .LBB0_1: @ %vector.ph
; CHECK-NEXT: dlstp.16 lr, r3
; CHECK-NEXT: .LBB0_2: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrh.u16 q0, [r1], #16
; CHECK-NEXT: vldrh.u16 q1, [r0], #16
; CHECK-NEXT: vqadd.u16 q0, q1, q0
; CHECK-NEXT: vstrh.16 q0, [r2], #16
; CHECK-NEXT: letp lr, .LBB0_2
; CHECK-NEXT: @ %bb.3: @ %while.end
; CHECK-NEXT: pop {r7, pc}
entry:
%cmp7 = icmp eq i32 %blockSize, 0
br i1 %cmp7, label %while.end, label %vector.ph
vector.ph: ; preds = %entry
%n.rnd.up = add i32 %blockSize, 7
%n.vec = and i32 %n.rnd.up, -8
%trip.count.minus.1 = add i32 %blockSize, -1
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%next.gep = getelementptr i16, i16* %pSrcA, i32 %index
%next.gep20 = getelementptr i16, i16* %pDst, i32 %index
%next.gep21 = getelementptr i16, i16* %pSrcB, i32 %index
%active.lane.mask = call <8 x i1> @llvm.get.active.lane.mask.v8i1.i32(i32 %index, i32 %blockSize)
%0 = bitcast i16* %next.gep to <8 x i16>*
%wide.masked.load = call <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>* %0, i32 2, <8 x i1> %active.lane.mask, <8 x i16> undef)
%1 = bitcast i16* %next.gep21 to <8 x i16>*
%wide.masked.load24 = call <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>* %1, i32 2, <8 x i1> %active.lane.mask, <8 x i16> undef)
%2 = call <8 x i16> @llvm.uadd.sat.v8i16(<8 x i16> %wide.masked.load, <8 x i16> %wide.masked.load24)
%3 = bitcast i16* %next.gep20 to <8 x i16>*
call void @llvm.masked.store.v8i16.p0v8i16(<8 x i16> %2, <8 x i16>* %3, i32 2, <8 x i1> %active.lane.mask)
%index.next = add i32 %index, 8
%4 = icmp eq i32 %index.next, %n.vec
br i1 %4, label %while.end, label %vector.body
while.end: ; preds = %vector.body, %entry
ret void
}
define arm_aapcs_vfpcc void @sadd_sat(i16* noalias nocapture readonly %pSrcA, i16* noalias nocapture readonly %pSrcB, i16* noalias nocapture %pDst, i32 %blockSize) {
; CHECK-LABEL: sadd_sat:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: it eq
; CHECK-NEXT: popeq {r7, pc}
; CHECK-NEXT: .LBB1_1: @ %vector.ph
; CHECK-NEXT: dlstp.16 lr, r3
; CHECK-NEXT: .LBB1_2: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrh.u16 q0, [r1], #16
; CHECK-NEXT: vldrh.u16 q1, [r0], #16
; CHECK-NEXT: vqadd.s16 q0, q1, q0
; CHECK-NEXT: vstrh.16 q0, [r2], #16
; CHECK-NEXT: letp lr, .LBB1_2
; CHECK-NEXT: @ %bb.3: @ %while.end
; CHECK-NEXT: pop {r7, pc}
entry:
%cmp7 = icmp eq i32 %blockSize, 0
br i1 %cmp7, label %while.end, label %vector.ph
vector.ph: ; preds = %entry
%n.rnd.up = add i32 %blockSize, 7
%n.vec = and i32 %n.rnd.up, -8
%trip.count.minus.1 = add i32 %blockSize, -1
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%next.gep = getelementptr i16, i16* %pSrcA, i32 %index
%next.gep20 = getelementptr i16, i16* %pDst, i32 %index
%next.gep21 = getelementptr i16, i16* %pSrcB, i32 %index
%active.lane.mask = call <8 x i1> @llvm.get.active.lane.mask.v8i1.i32(i32 %index, i32 %blockSize)
%0 = bitcast i16* %next.gep to <8 x i16>*
%wide.masked.load = call <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>* %0, i32 2, <8 x i1> %active.lane.mask, <8 x i16> undef)
%1 = bitcast i16* %next.gep21 to <8 x i16>*
%wide.masked.load24 = call <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>* %1, i32 2, <8 x i1> %active.lane.mask, <8 x i16> undef)
%2 = call <8 x i16> @llvm.sadd.sat.v8i16(<8 x i16> %wide.masked.load, <8 x i16> %wide.masked.load24)
%3 = bitcast i16* %next.gep20 to <8 x i16>*
call void @llvm.masked.store.v8i16.p0v8i16(<8 x i16> %2, <8 x i16>* %3, i32 2, <8 x i1> %active.lane.mask)
%index.next = add i32 %index, 8
%4 = icmp eq i32 %index.next, %n.vec
br i1 %4, label %while.end, label %vector.body
while.end: ; preds = %vector.body, %entry
ret void
}
declare <8 x i1> @llvm.get.active.lane.mask.v8i1.i32(i32, i32)
declare <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>*, i32 immarg, <8 x i1>, <8 x i16>)
declare <8 x i16> @llvm.sadd.sat.v8i16(<8 x i16>, <8 x i16>)
declare <8 x i16> @llvm.uadd.sat.v8i16(<8 x i16>, <8 x i16>)
declare void @llvm.masked.store.v8i16.p0v8i16(<8 x i16>, <8 x i16>*, i32 immarg, <8 x i1>)