1; Positive test for inline register constraints
2;
3; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s
4; RUN: llc -march=mipsel -mcpu=mips32r2 < %s | FileCheck %s
5
6define i32 @main() nounwind {
7entry:
8
9; r with char
10;CHECK: #APP
11;CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 23
12;CHECK: #NO_APP
13  tail call i8 asm sideeffect "addiu $0, $1, $2", "=r,r,n"(i8 27, i8 23) nounwind
14
15; r with short
16;CHECK: #APP
17;CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 13
18;CHECK: #NO_APP
19  tail call i16 asm sideeffect "addiu $0, $1, $2", "=r,r,n"(i16 17, i16 13) nounwind
20
21; r with int
22;CHECK: #APP
23;CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 3
24;CHECK: #NO_APP
25  tail call i32 asm sideeffect "addiu $0, $1, $2", "=r,r,n"(i32 7, i32 3) nounwind
26
27; Now c with 1024: make sure register $25 is picked
28; CHECK: #APP
29; CHECK: addiu $25, ${{[0-9]+}}, 1024
30; CHECK: #NO_APP
31   tail call i32 asm sideeffect "addiu $0, $1, $2", "=c,c,I"(i32 4194304, i32 1024) nounwind
32
33; Now l with 1024: make sure register lo is picked. We do this by checking the instruction
34; after the inline expression for a mflo to pull the value out of lo.
35; CHECK:       #APP
36; CHECK:       mtlo ${{[0-9]+}}
37; CHECK-NEXT:  madd ${{[0-9]+}}, ${{[0-9]+}}
38; CHECK:       #NO_APP
39; CHECK-NEXT:  mflo ${{[0-9]+}}
40  %bosco = alloca i32, align 4
41  call i32 asm sideeffect "\09mtlo $3 \0A\09\09madd $1, $2 ", "=l,r,r,r"(i32 7, i32 6, i32 44) nounwind
42  store volatile i32 %4, i32* %bosco, align 4
43
44; Check the 'l' constraint for 16-bit type.
45; CHECK:       #APP
46; CHECK:       mtlo ${{[0-9]+}}
47; CHECK-NEXT:  madd ${{[0-9]+}}, ${{[0-9]+}}
48; CHECK:       #NO_APP
49; CHECK-NEXT:  mflo ${{[0-9]+}}
50  %bosco16 = alloca i16, align 4
51  call i16 asm sideeffect "\09mtlo $3 \0A\09\09madd $1, $2 ", "=l,r,r,r"(i32 7, i32 6, i32 44) nounwind
52  store volatile i16 %5, i16* %bosco16, align 4
53
54  ret i32 0
55}
56