1; RUN: llc -mtriple=thumb-eabi -no-integrated-as %s -o /dev/null 2 3; Test Thumb-mode "I" constraint, for ADD immediate. 4define i32 @testI(i32 %x) { 5 %y = call i32 asm "add $0, $1, $2", "=r,r,I"( i32 %x, i32 255 ) nounwind 6 ret i32 %y 7} 8 9; Test Thumb-mode "J" constraint, for negated ADD immediates. 10define void @testJ() { 11 tail call void asm sideeffect ".word $0", "J"( i32 -255 ) nounwind 12 ret void 13} 14 15; Test Thumb-mode "K" constraint, for compatibility with GCC's internal use. 16define void @testK() { 17 tail call void asm sideeffect ".word $0", "K"( i32 65280 ) nounwind 18 ret void 19} 20 21; Test Thumb-mode "L" constraint, for 3-operand ADD immediates. 22define i32 @testL(i32 %x) { 23 %y = call i32 asm "add $0, $1, $2", "=r,r,L"( i32 %x, i32 -7 ) nounwind 24 ret i32 %y 25} 26 27; Test Thumb-mode "M" constraint, for "ADD r = sp + imm". 28define i32 @testM() { 29 %y = call i32 asm "add $0, sp, $1", "=r,M"( i32 1020 ) nounwind 30 ret i32 %y 31} 32 33; Test Thumb-mode "N" constraint, for values between 0 and 31. 34define i32 @testN(i32 %x) { 35 %y = call i32 asm "lsl $0, $1, $2", "=r,r,N"( i32 %x, i32 31 ) nounwind 36 ret i32 %y 37} 38 39; Test Thumb-mode "O" constraint, for "ADD sp = sp + imm". 40define void @testO() { 41 tail call void asm sideeffect "add sp, sp, $0; add sp, sp, $1", "O,O"( i32 -508, i32 508 ) nounwind 42 ret void 43} 44