| ; RUN: llc -mtriple=thumbv7-linux-gnu -no-integrated-as %s -o /dev/null |
| |
| ; Test thumb2-mode "I" constraint, for any Data Processing immediate. |
| define i32 @testI(i32 %x) { |
| %y = call i32 asm "add $0, $1, $2", "=r,r,I"( i32 %x, i32 65280 ) nounwind |
| ret i32 %y |
| } |
| |
| ; Test thumb2-mode "J" constraint, for compatibility with unknown use in GCC. |
| define void @testJ() { |
| tail call void asm sideeffect ".word $0", "J"( i32 4080 ) nounwind |
| ret void |
| } |
| |
| ; Test thumb2-mode "K" constraint, for bitwise inverted Data Processing immediates. |
| define void @testK() { |
| tail call void asm sideeffect ".word $0", "K"( i32 16777215 ) nounwind |
| ret void |
| } |
| |
| ; Test thumb2-mode "L" constraint, for negated Data Processing immediates. |
| define void @testL() { |
| tail call void asm sideeffect ".word $0", "L"( i32 -65280 ) nounwind |
| ret void |
| } |
| |
| ; Test thumb2-mode "M" constraint, for value between 0 and 32. |
| define i32 @testM(i32 %x) { |
| %y = call i32 asm "lsl $0, $1, $2", "=r,r,M"( i32 %x, i32 31 ) nounwind |
| ret i32 %y |
| } |