; RUN: llc < %s -mtriple=i686-pc-mingw32 | FileCheck %s -check-prefix=MINGW_X32
; RUN: llc < %s -mtriple=x86_64-pc-mingw32 | FileCheck %s -check-prefix=MINGW_X64
; RUN: llc < %s -mtriple=i386-pc-linux | FileCheck %s -check-prefix=LINUX
+; RUN: llc < %s -mtriple=x86_64-pc-win32-macho | FileCheck %s -check-prefix=LINUX
; Windows and mingw require a prologue helper routine if more than 4096 bytes area
; allocated on the stack. Windows uses __chkstk and mingw uses __alloca. __alloca
; WIN_X32: calll __chkstk
; WIN_X64: callq __chkstk
; MINGW_X32: calll __alloca
-; MINGW_X64: callq __chkstk
+; MINGW_X64: callq ___chkstk
; LINUX-NOT: call __chkstk
%array4096 = alloca [4096 x i8], align 16 ; <[4096 x i8]*> [#uses=0]
ret i32 0