| Tim Northover | d82ed2e | 2014-06-18 11:52:44 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=i686-linux-gnu -o - %s | FileCheck %s |
| 2 | |
| 3 | @var = global i128 0 |
| 4 | |
| 5 | ; We were trying to convert the i128 operation into a libcall, but failing to |
| 6 | ; perform sret demotion when we couldn't return the result in registers. Make |
| 7 | ; sure we marshal the return properly: |
| 8 | |
| 9 | define void @test_sret_libcall(i128 %l, i128 %r) { |
| 10 | ; CHECK-LABEL: test_sret_libcall: |
| 11 | |
| 12 | ; Stack for call: 4(sret ptr), 16(i128 %l), 16(128 %r). So next logical |
| 13 | ; (aligned) place for the actual sret data is %esp + 40. |
| 14 | ; CHECK: leal 40(%esp), [[SRET_ADDR:%[a-z]+]] |
| 15 | ; CHECK: movl [[SRET_ADDR]], (%esp) |
| 16 | ; CHECK: calll __multi3 |
| 17 | ; CHECK-DAG: movl 40(%esp), [[RES0:%[a-z]+]] |
| 18 | ; CHECK-DAG: movl 44(%esp), [[RES1:%[a-z]+]] |
| 19 | ; CHECK-DAG: movl 48(%esp), [[RES2:%[a-z]+]] |
| 20 | ; CHECK-DAG: movl 52(%esp), [[RES3:%[a-z]+]] |
| 21 | ; CHECK-DAG: movl [[RES0]], var |
| 22 | ; CHECK-DAG: movl [[RES1]], var+4 |
| 23 | ; CHECK-DAG: movl [[RES2]], var+8 |
| 24 | ; CHECK-DAG: movl [[RES3]], var+12 |
| 25 | %prod = mul i128 %l, %r |
| 26 | store i128 %prod, i128* @var |
| 27 | ret void |
| 28 | } |