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
|
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -no-integrated-as -verify-machineinstrs | FileCheck %s
; Test basic inline assembly. Pass -no-integrated-as since these aren't
; actually valid assembly syntax.
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: foo:
; CHECK-NEXT: .functype foo (i32) -> (i32){{$}}
; CHECK-NEXT: #APP{{$}}
; CHECK-NEXT: # 0 = aaa(0){{$}}
; CHECK-NEXT: #NO_APP{{$}}
; CHECK-NEXT: local.get $push0=, 0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i32 @foo(i32 %r) {
entry:
%0 = tail call i32 asm sideeffect "# $0 = aaa($1)", "=r,r"(i32 %r) #0, !srcloc !0
ret i32 %0
}
; CHECK-LABEL: imm:
; CHECK-NEXT: .functype imm () -> (i32){{$}}
; CHECK-NEXT: .local i32{{$}}
; CHECK-NEXT: #APP{{$}}
; CHECK-NEXT: # 0 = ccc(42){{$}}
; CHECK-NEXT: #NO_APP{{$}}
; CHECK-NEXT: local.get $push0=, 0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i32 @imm() {
entry:
%0 = tail call i32 asm sideeffect "# $0 = ccc($1)", "=r,i"(i32 42) #0, !srcloc !2
ret i32 %0
}
; CHECK-LABEL: foo_i64:
; CHECK-NEXT: .functype foo_i64 (i64) -> (i64){{$}}
; CHECK-NEXT: #APP{{$}}
; CHECK-NEXT: # 0 = aaa(0){{$}}
; CHECK-NEXT: #NO_APP{{$}}
; CHECK-NEXT: local.get $push0=, 0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i64 @foo_i64(i64 %r) {
entry:
%0 = tail call i64 asm sideeffect "# $0 = aaa($1)", "=r,r"(i64 %r) #0, !srcloc !0
ret i64 %0
}
; CHECK-LABEL: foo_float:
; CHECK-NEXT: .functype foo_float (f32) -> (f32){{$}}
; CHECK-NEXT: #APP{{$}}
; CHECK-NEXT: # 0 = aaa(0){{$}}
; CHECK-NEXT: #NO_APP{{$}}
; CHECK-NEXT: local.get $push0=, 0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define float @foo_float(float %r) {
entry:
%0 = tail call float asm sideeffect "# $0 = aaa($1)", "=r,r"(float %r) #0, !srcloc !0
ret float %0
}
; CHECK-LABEL: foo_double:
; CHECK-NEXT: .functype foo_double (f64) -> (f64){{$}}
; CHECK-NEXT: #APP{{$}}
; CHECK-NEXT: # 0 = aaa(0){{$}}
; CHECK-NEXT: #NO_APP{{$}}
; CHECK-NEXT: local.get $push0=, 0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define double @foo_double(double %r) {
entry:
%0 = tail call double asm sideeffect "# $0 = aaa($1)", "=r,r"(double %r) #0, !srcloc !0
ret double %0
}
; CHECK-LABEL: X_i16:
; CHECK: foo 1{{$}}
; CHECK: local.get $push[[S0:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: local.get $push[[S1:[0-9]+]]=, 1{{$}}
; CHECK-NEXT: i32.store16 0($pop[[S0]]), $pop[[S1]]{{$}}
define void @X_i16(i16 * %t) {
call void asm sideeffect "foo $0", "=*X,~{dirflag},~{fpsr},~{flags},~{memory}"(i16* elementtype(i16) %t)
ret void
}
; CHECK-LABEL: X_ptr:
; CHECK: foo 1{{$}}
; CHECK: local.get $push[[S0:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: local.get $push[[S1:[0-9]+]]=, 1{{$}}
; CHECK-NEXT: i32.store 0($pop[[S0]]), $pop[[S1]]{{$}}
define void @X_ptr(i16 ** %t) {
call void asm sideeffect "foo $0", "=*X,~{dirflag},~{fpsr},~{flags},~{memory}"(i16** elementtype(i16*) %t)
ret void
}
; CHECK-LABEL: funcname:
; CHECK: foo funcname{{$}}
define void @funcname() {
tail call void asm sideeffect "foo $0", "i"(void ()* nonnull @funcname) #0, !srcloc !0
ret void
}
; CHECK-LABEL: varname:
; CHECK: foo gv+37{{$}}
@gv = global [0 x i8] zeroinitializer
define void @varname() {
tail call void asm sideeffect "foo $0", "i"(i8* getelementptr inbounds ([0 x i8], [0 x i8]* @gv, i64 0, i64 37)) #0, !srcloc !0
ret void
}
; CHECK-LABEL: r_constraint
; CHECK: i32.const $push[[S0:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: local.set [[L0:[0-9]+]], $pop[[S0]]{{$}}
; CHECK-NEXT: i32.const $push[[S1:[0-9]+]]=, 37{{$}}
; CHECK-NEXT: local.set [[L1:[0-9]+]], $pop[[S1]]{{$}}
; CHECK: foo [[L2:[0-9]+]], 1, [[L0]], [[L1]]{{$}}
; CHECK: local.get $push{{[0-9]+}}=, [[L2]]{{$}}
define hidden i32 @r_constraint(i32 %a, i32 %y) {
entry:
%z = bitcast i32 0 to i32
%t0 = tail call i32 asm "foo $0, $1, $2, $3", "=r,r,r,r"(i32 %y, i32 %z, i32 37) #0, !srcloc !0
ret i32 %t0
}
; CHECK-LABEL: tied_operands
; CHECK: local.get $push0=, 0
; CHECK: return $pop0
define i32 @tied_operands(i32 %var) {
entry:
%ret = call i32 asm "", "=r,0"(i32 %var)
ret i32 %ret
}
attributes #0 = { nounwind }
!0 = !{i32 47}
!1 = !{i32 145}
!2 = !{i32 231}
|
