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 6 define i32 @main() nounwind { 7 entry: 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-NEXT: mtlo ${{[0-9]+}} 37 ; CHECK-NEXT: madd ${{[0-9]+}},${{[0-9]+}} 38 ; CHECK-NEXT: #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 ret i32 0 45 } 46
