| Dan Gohman | fce288f | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=ppc32 -verify-machineinstrs |
| Jakob Stoklund Olesen | 57e599a | 2009-07-16 20:58:34 +0000 | [diff] [blame] | 2 | |
| 3 | ; Machine code verifier will call isRegTiedToDefOperand() on /all/ register use |
| 4 | ; operands. We must make sure that the operand flag is found correctly. |
| 5 | |
| 6 | ; This test case is actually not specific to PowerPC, but the (imm, reg) format |
| 7 | ; of PowerPC "m" operands trigger this bug. |
| 8 | |
| 9 | define void @memory_asm_operand(i32 %a) { |
| 10 | ; "m" operand will be represented as: |
| 11 | ; INLINEASM <es:fake $0>, 10, %R2, 20, -4, %R1 |
| 12 | ; It is difficult to find the flag operand (20) when starting from %R1 |
| 13 | call i32 asm "lbzx $0, $1", "=r,m" (i32 %a) |
| 14 | ret void |
| 15 | } |
| 16 | |