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
|
; RUN: llc < %s -fast-isel -fast-isel-abort=1 -verify-machineinstrs -mtriple=i686-- -mattr=sse2 -no-integrated-as
; RUN: llc < %s -fast-isel -fast-isel-abort=1 -verify-machineinstrs -mtriple=x86_64-apple-darwin10 -no-integrated-as
; This tests very minimal fast-isel functionality.
define i32* @foo(i32* %p, i32* %q, i32** %z) nounwind {
entry:
%r = load i32, i32* %p
%s = load i32, i32* %q
%y = load i32*, i32** %z
br label %fast
fast:
%t0 = add i32 %r, %s
%t1 = mul i32 %t0, %s
%t2 = sub i32 %t1, %s
%t3 = and i32 %t2, %s
%t4 = xor i32 %t3, 3
%t5 = xor i32 %t4, %s
%t6 = add i32 %t5, 2
%t7 = getelementptr i32, i32* %y, i32 1
%t8 = getelementptr i32, i32* %t7, i32 %t6
call void asm sideeffect "hello world", ""()
br label %exit
exit:
ret i32* %t8
}
define void @bar(double* %p, double* %q) nounwind {
entry:
%r = load double, double* %p
%s = load double, double* %q
br label %fast
fast:
%t0 = fadd double %r, %s
%t1 = fmul double %t0, %s
%t2 = fsub double %t1, %s
%t3 = fadd double %t2, 707.0
br label %exit
exit:
store double %t3, double* %q
ret void
}
define i32 @cast() nounwind {
entry:
%tmp2 = bitcast i32 0 to i32
ret i32 %tmp2
}
define void @ptrtoint_i1(i8* %p, i1* %q) nounwind {
%t = ptrtoint i8* %p to i1
store i1 %t, i1* %q
ret void
}
define i8* @inttoptr_i1(i1 %p) nounwind {
%t = inttoptr i1 %p to i8*
ret i8* %t
}
define i32 @ptrtoint_i32(i8* %p) nounwind {
%t = ptrtoint i8* %p to i32
ret i32 %t
}
define i8* @inttoptr_i32(i32 %p) nounwind {
%t = inttoptr i32 %p to i8*
ret i8* %t
}
define void @trunc_i32_i8(i32 %x, i8* %p) nounwind {
%tmp1 = trunc i32 %x to i8
store i8 %tmp1, i8* %p
ret void
}
define void @trunc_i16_i8(i16 signext %x, i8* %p) nounwind {
%tmp1 = trunc i16 %x to i8
store i8 %tmp1, i8* %p
ret void
}
define void @shl_i8(i8 %a, i8 %c, i8* %p) nounwind {
%tmp = shl i8 %a, %c
store i8 %tmp, i8* %p
ret void
}
define void @mul_i8(i8 %a, i8* %p) nounwind {
%tmp = mul i8 %a, 17
store i8 %tmp, i8* %p
ret void
}
define void @load_store_i1(i1* %p, i1* %q) nounwind {
%t = load i1, i1* %p
store i1 %t, i1* %q
ret void
}
define void @freeze_i32(i32 %x) {
%t = freeze i32 %x
ret void
}
@crash_test1x = external global <2 x i32>, align 8
define void @crash_test1() nounwind ssp {
%tmp = load <2 x i32>, <2 x i32>* @crash_test1x, align 8
%neg = xor <2 x i32> %tmp, <i32 -1, i32 -1>
ret void
}
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) nounwind
define i64* @life() nounwind {
%a1 = alloca i64*, align 8
%a2 = bitcast i64** %a1 to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* %a2) nounwind
%a3 = load i64*, i64** %a1, align 8
ret i64* %a3
}
declare void @llvm.donothing() readnone
; CHECK: donada
define void @donada() nounwind {
entry:
call void @llvm.donothing()
ret void
}
|
