diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/win32_sret.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/win32_sret.ll b/test/CodeGen/X86/win32_sret.ll index a24963a3f3..002cac8824 100644 --- a/test/CodeGen/X86/win32_sret.ll +++ b/test/CodeGen/X86/win32_sret.ll @@ -124,3 +124,31 @@ entry: ; WIN32: ret ret void } + + +%struct.test6 = type { i32, i32, i32 } +define void @test6_f(%struct.test6* %x) nounwind { +; WIN32-LABEL: _test6_f: +; MINGW_X86-LABEL: _test6_f: + +; The %x argument is moved to %ecx. It will be the this pointer. +; WIN32: movl 8(%ebp), %ecx + +; The %x argument is moved to (%esp). It will be the this pointer. With -O0 +; we copy esp to ecx and use (ecx) instead of (esp). +; MINGW_X86: movl 8(%ebp), %eax +; MINGW_X86: movl %eax, (%e{{([a-d]x)|(sp)}}) + +; The sret pointer is (%esp) +; WIN32: leal 8(%esp), %[[REG:e[a-d]x]] +; WIN32-NEXT: movl %[[REG]], (%e{{([a-d]x)|(sp)}}) + +; The sret pointer is %ecx +; MINGW_X86-NEXT: leal 8(%esp), %ecx +; MINGW_X86-NEXT: calll _test6_g + + %tmp = alloca %struct.test6, align 4 + call x86_thiscallcc void @test6_g(%struct.test6* sret %tmp, %struct.test6* %x) + ret void +} +declare x86_thiscallcc void @test6_g(%struct.test6* sret, %struct.test6*) |