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
113
114
115
116
117
118
| ; RUN: llc < %s | FileCheck %s
; Check no spills to the same stack slot after hoisting.
; CHECK: mov{{.}} %{{.*}}, [[SPOFFSET1:-?[0-9]*]](%rsp)
; CHECK: mov{{.}} %{{.*}}, [[SPOFFSET2:-?[0-9]*]](%rsp)
; CHECK-NOT: mov{{.}} %{{.*}}, [[SPOFFSET1]](%rsp)
; CHECK-NOT: mov{{.}} %{{.*}}, [[SPOFFSET2]](%rsp)
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@a = external global i32*, align 8
@b = external global i32, align 4
@d = external global i32*, align 8
; Function Attrs: norecurse noreturn nounwind uwtable
define void @fn1(i32 %p1, i32 %p2, i64 %p3) {
entry:
%tmp = load i32*, i32** @d, align 8
%tmp1 = load i32*, i32** @a, align 8
%tmp2 = sext i32 %p1 to i64
br label %for.cond
for.cond: ; preds = %for.inc14, %entry
%indvar = phi i32 [ %indvar.next, %for.inc14 ], [ 0, %entry ]
%indvars.iv30.in = phi i32 [ %indvars.iv30, %for.inc14 ], [ %p1, %entry ]
%c.0 = phi i32 [ %inc15, %for.inc14 ], [ 1, %entry ]
%k.0 = phi i32 [ %k.1.lcssa, %for.inc14 ], [ undef, %entry ]
%tmp3 = icmp sgt i32 %p2, 0
%smax52 = select i1 %tmp3, i32 %c.0, i32 0
%tmp4 = zext i32 %smax52 to i64
%tmp5 = icmp sgt i64 %p3, %tmp4
%smax53 = select i1 %tmp5, i64 %tmp2, i64 %tmp4
%tmp6 = add nsw i64 %smax53, 1
%tmp7 = sub nsw i64 %tmp6, %tmp4
%tmp8 = add nsw i64 %tmp7, -8
%tmp9 = sub i32 undef, %indvar
%tmp10 = icmp sgt i64 %tmp2, 0
%smax40 = select i1 %tmp10, i64 %tmp2, i64 0
%scevgep41 = getelementptr i32, i32* %tmp1, i64 %smax40
%indvars.iv30 = add i32 %indvars.iv30.in, -1
%tmp11 = icmp sgt i32 %indvars.iv30, 0
%smax = select i1 %tmp11, i32 %indvars.iv30, i32 0
%tmp12 = zext i32 %smax to i64
%sub = sub nsw i32 %p1, %c.0
%cmp = icmp sgt i32 %sub, 0
%sub. = select i1 %cmp, i32 %sub, i32 0
%cmp326 = icmp sgt i32 %k.0, %p1
br i1 %cmp326, label %for.cond4.preheader, label %for.body.preheader
for.cond4.preheader: ; preds = %for.body, %for.cond
%k.1.lcssa = phi i32 [ %k.0, %for.cond ], [ %add, %for.body ]
%cmp528 = icmp sgt i32 %sub., %p1
br i1 %cmp528, label %for.inc14, label %for.body6.preheader
for.body6.preheader: ; preds = %for.cond4.preheader
br i1 undef, label %for.body6, label %min.iters.checked
min.iters.checked: ; preds = %for.body6.preheader
br i1 undef, label %for.body6, label %vector.memcheck
vector.memcheck: ; preds = %min.iters.checked
%bound1 = icmp ule i32* undef, %scevgep41
%memcheck.conflict = and i1 undef, %bound1
br i1 %memcheck.conflict, label %for.body6, label %vector.body.preheader
vector.body.preheader: ; preds = %vector.memcheck
%lcmp.mod = icmp eq i64 undef, 0
br i1 %lcmp.mod, label %vector.body.preheader.split, label %vector.body.prol
vector.body.prol: ; preds = %vector.body.prol, %vector.body.preheader
%prol.iter.cmp = icmp eq i64 undef, 0
br i1 %prol.iter.cmp, label %vector.body.preheader.split, label %vector.body.prol
vector.body.preheader.split: ; preds = %vector.body.prol, %vector.body.preheader
%tmp13 = icmp ult i64 %tmp8, 24
br i1 %tmp13, label %middle.block, label %vector.body
vector.body: ; preds = %vector.body, %vector.body.preheader.split
%index = phi i64 [ %index.next.3, %vector.body ], [ 0, %vector.body.preheader.split ]
%index.next = add i64 %index, 8
%offset.idx.1 = add i64 %tmp12, %index.next
%tmp14 = getelementptr inbounds i32, i32* %tmp, i64 %offset.idx.1
%tmp15 = bitcast i32* %tmp14 to <4 x i32>*
%wide.load.1 = load <4 x i32>, <4 x i32>* %tmp15, align 4
%tmp16 = getelementptr inbounds i32, i32* %tmp1, i64 %offset.idx.1
%tmp17 = bitcast i32* %tmp16 to <4 x i32>*
store <4 x i32> %wide.load.1, <4 x i32>* %tmp17, align 4
%index.next.3 = add i64 %index, 32
br i1 undef, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body, %vector.body.preheader.split
br i1 undef, label %for.inc14, label %for.body6
for.body.preheader: ; preds = %for.cond
br label %for.body
for.body: ; preds = %for.body, %for.body.preheader
%k.127 = phi i32 [ %k.0, %for.body.preheader ], [ %add, %for.body ]
%add = add nsw i32 %k.127, 1
%tmp18 = load i32, i32* undef, align 4
store i32 %tmp18, i32* @b, align 4
br i1 undef, label %for.body, label %for.cond4.preheader
for.body6: ; preds = %for.body6, %middle.block, %vector.memcheck, %min.iters.checked, %for.body6.preheader
%indvars.iv32 = phi i64 [ undef, %for.body6 ], [ %tmp12, %vector.memcheck ], [ %tmp12, %min.iters.checked ], [ %tmp12, %for.body6.preheader ], [ undef, %middle.block ]
%arrayidx8 = getelementptr inbounds i32, i32* %tmp, i64 %indvars.iv32
%tmp19 = load i32, i32* %arrayidx8, align 4
%arrayidx10 = getelementptr inbounds i32, i32* %tmp1, i64 %indvars.iv32
store i32 %tmp19, i32* %arrayidx10, align 4
%cmp5 = icmp slt i64 %indvars.iv32, undef
br i1 %cmp5, label %for.body6, label %for.inc14
for.inc14: ; preds = %for.body6, %middle.block, %for.cond4.preheader
%inc15 = add nuw nsw i32 %c.0, 1
%indvar.next = add i32 %indvar, 1
br label %for.cond
}
|