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
|
; RUN: llc < %s -march=thumb
; Test Thumb-mode "I" constraint, for ADD immediate.
define i32 @testI(i32 %x) {
%y = call i32 asm "add $0, $1, $2", "=r,r,I"( i32 %x, i32 255 ) nounwind
ret i32 %y
}
; Test Thumb-mode "J" constraint, for negated ADD immediates.
define void @testJ() {
tail call void asm sideeffect ".word $0", "J"( i32 -255 ) nounwind
ret void
}
; Test Thumb-mode "K" constraint, for compatibility with GCC's internal use.
define void @testK() {
tail call void asm sideeffect ".word $0", "K"( i32 65280 ) nounwind
ret void
}
; Test Thumb-mode "L" constraint, for 3-operand ADD immediates.
define i32 @testL(i32 %x) {
%y = call i32 asm "add $0, $1, $2", "=r,r,L"( i32 %x, i32 -7 ) nounwind
ret i32 %y
}
; Test Thumb-mode "M" constraint, for "ADD r = sp + imm".
define i32 @testM() {
%y = call i32 asm "add $0, sp, $1", "=r,M"( i32 1020 ) nounwind
ret i32 %y
}
; Test Thumb-mode "N" constraint, for values between 0 and 31.
define i32 @testN(i32 %x) {
%y = call i32 asm "lsl $0, $1, $2", "=r,r,N"( i32 %x, i32 31 ) nounwind
ret i32 %y
}
; Test Thumb-mode "O" constraint, for "ADD sp = sp + imm".
define void @testO() {
tail call void asm sideeffect "add sp, sp, $0; add sp, sp, $1", "O,O"( i32 -508, i32 508 ) nounwind
ret void
}
|
