Eli Friedman | 32c7c25 | 2012-01-20 00:05:46 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=i686-pc-win32 | FileCheck %s -check-prefix=WIN_X32 |
| 2 | ; RUN: llc < %s -mtriple=i686-pc-mingw32 | FileCheck %s -check-prefix=MINGW_X32 |
| 3 | ; RUN: llc < %s -mtriple=i386-pc-linux | FileCheck %s -check-prefix=LINUX |
| 4 | ; RUN: llc < %s -O0 -mtriple=i686-pc-win32 | FileCheck %s -check-prefix=WIN_X32 |
| 5 | ; RUN: llc < %s -O0 -mtriple=i686-pc-mingw32 | FileCheck %s -check-prefix=MINGW_X32 |
| 6 | ; RUN: llc < %s -O0 -mtriple=i386-pc-linux | FileCheck %s -check-prefix=LINUX |
| 7 | |
| 8 | ; The SysV ABI used by most Unixes and Mingw on x86 specifies that an sret pointer |
| 9 | ; is callee-cleanup. However, in MSVC's cdecl calling convention, sret pointer |
| 10 | ; arguments are caller-cleanup like normal arguments. |
| 11 | |
| 12 | define void @sret1(i8* sret) nounwind { |
| 13 | entry: |
| 14 | ; WIN_X32: {{ret$}} |
| 15 | ; MINGW_X32: ret $4 |
| 16 | ; LINUX: ret $4 |
| 17 | ret void |
| 18 | } |
| 19 | |
| 20 | define void @sret2(i32* sret %x, i32 %y) nounwind { |
| 21 | entry: |
| 22 | ; WIN_X32: {{ret$}} |
| 23 | ; MINGW_X32: ret $4 |
| 24 | ; LINUX: ret $4 |
| 25 | store i32 %y, i32* %x |
| 26 | ret void |
| 27 | } |
| 28 | |