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
|
; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
define i32 @sumc(i8* nocapture %to, i8* nocapture %from, i32) nounwind {
entry:
%sext = shl i32 %0, 16
%conv = ashr exact i32 %sext, 16
%cmp8 = icmp eq i32 %conv, 0
br i1 %cmp8, label %for.end, label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
%.pre = load i8, i8* %to, align 1
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%1 = phi i8 [ %.pre, %for.body.lr.ph ], [ %conv4, %for.body ]
%i.010 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
%from.addr.09 = phi i8* [ %from, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
%incdec.ptr = getelementptr inbounds i8, i8* %from.addr.09, i32 1
%2 = load i8, i8* %from.addr.09, align 1
%conv27 = zext i8 %2 to i32
%conv36 = zext i8 %1 to i32
%add = add nsw i32 %conv36, %conv27
%conv4 = trunc i32 %add to i8
store i8 %conv4, i8* %to, align 1
%inc = add nsw i32 %i.010, 1
%cmp = icmp eq i32 %inc, %conv
br i1 %cmp, label %for.end, label %for.body
; 16-LABEL: sumc:
; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}})
; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}})
; 16-LABEL: sum:
; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}})
; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}})
for.end: ; preds = %for.body, %entry
ret i32 undef
}
define i32 @sum(i16* nocapture %to, i16* nocapture %from, i32) nounwind {
entry:
%sext = shl i32 %0, 16
%conv = ashr exact i32 %sext, 16
%cmp8 = icmp eq i32 %conv, 0
br i1 %cmp8, label %for.end, label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
%.pre = load i16, i16* %to, align 2
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%1 = phi i16 [ %.pre, %for.body.lr.ph ], [ %conv4, %for.body ]
%i.010 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
%from.addr.09 = phi i16* [ %from, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
%incdec.ptr = getelementptr inbounds i16, i16* %from.addr.09, i32 1
%2 = load i16, i16* %from.addr.09, align 2
%conv27 = zext i16 %2 to i32
%conv36 = zext i16 %1 to i32
%add = add nsw i32 %conv36, %conv27
%conv4 = trunc i32 %add to i16
store i16 %conv4, i16* %to, align 2
%inc = add nsw i32 %i.010, 1
%cmp = icmp eq i32 %inc, %conv
br i1 %cmp, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret i32 undef
}
|
