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
|
; RUN: llc -march=hexagon -hexagon-gen-mux-threshold=4 < %s | FileCheck %s
; Generate various cmpb instruction followed by if (p0) .. if (!p0)...
target triple = "hexagon"
@Enum_global = external global i8
define i32 @Func_3(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 255
%cmp = icmp eq i32 %conv, 2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3b(i32) nounwind readonly {
entry:
; CHECK-NOT: mux
%1 = load i8, ptr @Enum_global, align 1
%2 = trunc i32 %0 to i8
%cmp = icmp ne i8 %1, %2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3c(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 255
%cmp = icmp eq i32 %conv, 2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3d(i32) nounwind readonly {
entry:
; CHECK-NOT: mux
%1 = load i8, ptr @Enum_global, align 1
%2 = trunc i32 %0 to i8
%cmp = icmp eq i8 %1, %2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3e(i32) nounwind readonly {
entry:
; CHECK-NOT: mux
%1 = load i8, ptr @Enum_global, align 1
%2 = trunc i32 %0 to i8
%cmp = icmp eq i8 %1, %2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3f(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 255
%cmp = icmp ugt i32 %conv, 2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3g(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 255
%cmp = icmp ult i32 %conv, 3
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3h(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 254
%cmp = icmp ult i32 %conv, 2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3i(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 254
%cmp = icmp ugt i32 %conv, 1
%selv = zext i1 %cmp to i32
ret i32 %selv
}
|
