| Tom Stellard | 919bb6b | 2014-04-29 23:12:53 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s |
| Matt Arsenault | bc63770 | 2013-11-14 07:57:29 +0000 | [diff] [blame] | 2 | |
| 3 | ; Copy VGPR -> SGPR used twice as an instruction operand, which is then |
| 4 | ; used in an REG_SEQUENCE that also needs to be handled. |
| 5 | |
| Tom Stellard | 79243d9 | 2014-10-01 17:15:17 +0000 | [diff] [blame^] | 6 | ; SI-LABEL: {{^}}test_dup_operands: |
| Matt Arsenault | bc63770 | 2013-11-14 07:57:29 +0000 | [diff] [blame] | 7 | ; SI: V_ADD_I32_e32 |
| 8 | define void @test_dup_operands(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %in) { |
| 9 | %a = load <2 x i32> addrspace(1)* %in |
| 10 | %lo = extractelement <2 x i32> %a, i32 0 |
| 11 | %hi = extractelement <2 x i32> %a, i32 1 |
| 12 | %add = add i32 %lo, %lo |
| 13 | %vec0 = insertelement <2 x i32> undef, i32 %add, i32 0 |
| 14 | %vec1 = insertelement <2 x i32> %vec0, i32 %hi, i32 1 |
| 15 | store <2 x i32> %vec1, <2 x i32> addrspace(1)* %out, align 8 |
| 16 | ret void |
| 17 | } |
| 18 | |