pragma-explicit.ll
8.06 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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
; RUN: opt -loop-unroll-and-jam -unroll-runtime -unroll-partial-threshold=60 < %s -S | FileCheck %s
; RUN: opt -aa-pipeline=tbaa,basic-aa -passes='loop-unroll-and-jam' -unroll-runtime -unroll-partial-threshold=60 < %s -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK-LABEL: function
; The explicit metadata here should force this to be unroll and jammed 4 times (hence the %.pre60.3)
; CHECK: %.pre = phi i8 [ %.pre60.3, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %.pre.pre, %for.cond1.preheader.us.preheader.new ]
; CHECK: %indvars.iv.3 = phi i64 [ 0, %for.cond1.preheader.us ], [ %indvars.iv.next.3, %for.body4.us ]
define void @function(i8* noalias nocapture %dst, i32 %dst_stride, i8* noalias nocapture readonly %src, i32 %src_stride, i32 %A, i32 %B, i32 %C, i32 %D, i32 %width, i32 %height) {
entry:
%idxprom = sext i32 %src_stride to i64
%cmp52 = icmp sgt i32 %height, 0
br i1 %cmp52, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup
for.cond1.preheader.lr.ph: ; preds = %entry
%cmp249 = icmp sgt i32 %width, 0
%idx.ext = sext i32 %dst_stride to i64
br i1 %cmp249, label %for.cond1.preheader.us.preheader, label %for.cond.cleanup
for.cond1.preheader.us.preheader: ; preds = %for.cond1.preheader.lr.ph
%.pre.pre = load i8, i8* %src, align 1
%wide.trip.count = zext i32 %width to i64
br label %for.cond1.preheader.us
for.cond1.preheader.us: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.us.preheader
%.pre = phi i8 [ %.pre60, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %.pre.pre, %for.cond1.preheader.us.preheader ]
%srcp.056.us.pn = phi i8* [ %srcp.056.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %src, %for.cond1.preheader.us.preheader ]
%y.055.us = phi i32 [ %inc30.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ 0, %for.cond1.preheader.us.preheader ]
%dst.addr.054.us = phi i8* [ %add.ptr.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %dst, %for.cond1.preheader.us.preheader ]
%srcp.056.us = getelementptr inbounds i8, i8* %srcp.056.us.pn, i64 %idxprom
%.pre60 = load i8, i8* %srcp.056.us, align 1
br label %for.body4.us
for.body4.us: ; preds = %for.body4.us, %for.cond1.preheader.us
%0 = phi i8 [ %.pre60, %for.cond1.preheader.us ], [ %3, %for.body4.us ]
%1 = phi i8 [ %.pre, %for.cond1.preheader.us ], [ %2, %for.body4.us ]
%indvars.iv = phi i64 [ 0, %for.cond1.preheader.us ], [ %indvars.iv.next, %for.body4.us ]
%conv.us = zext i8 %1 to i32
%mul.us = mul nsw i32 %conv.us, %A
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%arrayidx8.us = getelementptr inbounds i8, i8* %srcp.056.us.pn, i64 %indvars.iv.next
%2 = load i8, i8* %arrayidx8.us, align 1
%conv9.us = zext i8 %2 to i32
%mul10.us = mul nsw i32 %conv9.us, %B
%conv14.us = zext i8 %0 to i32
%mul15.us = mul nsw i32 %conv14.us, %C
%arrayidx19.us = getelementptr inbounds i8, i8* %srcp.056.us, i64 %indvars.iv.next
%3 = load i8, i8* %arrayidx19.us, align 1
%conv20.us = zext i8 %3 to i32
%mul21.us = mul nsw i32 %conv20.us, %D
%add11.us = add i32 %mul.us, 32
%add16.us = add i32 %add11.us, %mul10.us
%add22.us = add i32 %add16.us, %mul15.us
%add23.us = add i32 %add22.us, %mul21.us
%4 = lshr i32 %add23.us, 6
%conv24.us = trunc i32 %4 to i8
%arrayidx26.us = getelementptr inbounds i8, i8* %dst.addr.054.us, i64 %indvars.iv
store i8 %conv24.us, i8* %arrayidx26.us, align 1
%exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
br i1 %exitcond, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us
for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us
%add.ptr.us = getelementptr inbounds i8, i8* %dst.addr.054.us, i64 %idx.ext
%inc30.us = add nuw nsw i32 %y.055.us, 1
%exitcond58 = icmp eq i32 %inc30.us, %height
br i1 %exitcond58, label %for.cond.cleanup, label %for.cond1.preheader.us, !llvm.loop !5
for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.lr.ph, %entry
ret void
}
; CHECK-LABEL: function2
; The explicit metadata here should force this to be unroll and jammed, but
; the count is left to thresholds. In this case 2 (hence %.pre60.1).
; CHECK: %.pre = phi i8 [ %.pre60.1, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %.pre.pre, %for.cond1.preheader.us.preheader.new ]
; CHECK: %indvars.iv.1 = phi i64 [ 0, %for.cond1.preheader.us ], [ %indvars.iv.next.1, %for.body4.us ]
define void @function2(i8* noalias nocapture %dst, i32 %dst_stride, i8* noalias nocapture readonly %src, i32 %src_stride, i32 %A, i32 %B, i32 %C, i32 %D, i32 %width, i32 %height) {
entry:
%idxprom = sext i32 %src_stride to i64
%cmp52 = icmp sgt i32 %height, 0
br i1 %cmp52, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup
for.cond1.preheader.lr.ph: ; preds = %entry
%cmp249 = icmp sgt i32 %width, 0
%idx.ext = sext i32 %dst_stride to i64
br i1 %cmp249, label %for.cond1.preheader.us.preheader, label %for.cond.cleanup
for.cond1.preheader.us.preheader: ; preds = %for.cond1.preheader.lr.ph
%.pre.pre = load i8, i8* %src, align 1
%wide.trip.count = zext i32 %width to i64
br label %for.cond1.preheader.us
for.cond1.preheader.us: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.us.preheader
%.pre = phi i8 [ %.pre60, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %.pre.pre, %for.cond1.preheader.us.preheader ]
%srcp.056.us.pn = phi i8* [ %srcp.056.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %src, %for.cond1.preheader.us.preheader ]
%y.055.us = phi i32 [ %inc30.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ 0, %for.cond1.preheader.us.preheader ]
%dst.addr.054.us = phi i8* [ %add.ptr.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %dst, %for.cond1.preheader.us.preheader ]
%srcp.056.us = getelementptr inbounds i8, i8* %srcp.056.us.pn, i64 %idxprom
%.pre60 = load i8, i8* %srcp.056.us, align 1
br label %for.body4.us
for.body4.us: ; preds = %for.body4.us, %for.cond1.preheader.us
%0 = phi i8 [ %.pre60, %for.cond1.preheader.us ], [ %3, %for.body4.us ]
%1 = phi i8 [ %.pre, %for.cond1.preheader.us ], [ %2, %for.body4.us ]
%indvars.iv = phi i64 [ 0, %for.cond1.preheader.us ], [ %indvars.iv.next, %for.body4.us ]
%conv.us = zext i8 %1 to i32
%mul.us = mul nsw i32 %conv.us, %A
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%arrayidx8.us = getelementptr inbounds i8, i8* %srcp.056.us.pn, i64 %indvars.iv.next
%2 = load i8, i8* %arrayidx8.us, align 1
%conv9.us = zext i8 %2 to i32
%mul10.us = mul nsw i32 %conv9.us, %B
%conv14.us = zext i8 %0 to i32
%mul15.us = mul nsw i32 %conv14.us, %C
%arrayidx19.us = getelementptr inbounds i8, i8* %srcp.056.us, i64 %indvars.iv.next
%3 = load i8, i8* %arrayidx19.us, align 1
%conv20.us = zext i8 %3 to i32
%mul21.us = mul nsw i32 %conv20.us, %D
%add11.us = add i32 %mul.us, 32
%add16.us = add i32 %add11.us, %mul10.us
%add22.us = add i32 %add16.us, %mul15.us
%add23.us = add i32 %add22.us, %mul21.us
%4 = lshr i32 %add23.us, 6
%conv24.us = trunc i32 %4 to i8
%arrayidx26.us = getelementptr inbounds i8, i8* %dst.addr.054.us, i64 %indvars.iv
store i8 %conv24.us, i8* %arrayidx26.us, align 1
%exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
br i1 %exitcond, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us
for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us
%add.ptr.us = getelementptr inbounds i8, i8* %dst.addr.054.us, i64 %idx.ext
%inc30.us = add nuw nsw i32 %y.055.us, 1
%exitcond58 = icmp eq i32 %inc30.us, %height
br i1 %exitcond58, label %for.cond.cleanup, label %for.cond1.preheader.us, !llvm.loop !7
for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.lr.ph, %entry
ret void
}
!5 = distinct !{!5, !6}
!6 = !{!"llvm.loop.unroll_and_jam.count", i32 4}
!7 = distinct !{!7, !8}
!8 = !{!"llvm.loop.unroll_and_jam.enable"}