| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -no-integrated-as | |
| ; | |
| ; Check that TwoAddressInstructionPass does not crash after sinking (and | |
| ; revisiting) an instruction that was lowered by TII->convertToThreeAddress() | |
| ; which contains a %noreg operand. | |
| define i32 @f23(i32 %old) { | |
| %and1 = and i32 %old, 14 | |
| %and2 = and i32 %old, 254 | |
| %res1 = call i32 asm "stepa $1, $2, $3", "=h,r,r,0"(i32 %old, i32 %and1, i32 %and2) | |
| %and3 = and i32 %res1, 127 | |
| %and4 = and i32 %res1, 128 | |
| %res2 = call i32 asm "stepb $1, $2, $3", "=r,h,h,0"(i32 %res1, i32 %and3, i32 %and4) | |
| ret i32 %res2 | |
| } |