; RUN: llc < %s -mtriple=i386-pc-win32 -mcpu=nehalem | FileCheck -check-prefix=WIN32 %s
; RUN: llc < %s -mtriple=x86_64-win32 -mcpu=nehalem | FileCheck -check-prefix=WIN64 %s
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=nehalem | FileCheck -check-prefix=NOT_WIN %s

declare <16 x float> @func_float16_ptr(<16 x float>, <16 x float> *)
declare <16 x float> @func_float16(<16 x float>, <16 x float>)
; WIN64: testf16_inp
; WIN64: addps  {{.*}}, {{%xmm[0-3]}}
; WIN64: addps  {{.*}}, {{%xmm[0-3]}}
; WIN64: addps  {{.*}}, {{%xmm[0-3]}}
; WIN64: addps  {{.*}}, {{%xmm[0-3]}}
; WIN64: leaq    {{.*}}(%rsp), %rcx
; WIN64: call
; WIN64: ret

; WIN32: testf16_inp
; WIN32: pushl   %eax
; WIN32: addps  {{.*}}, {{%xmm[0-3]}}
; WIN32: addps  {{.*}}, {{%xmm[0-3]}}
; WIN32: addps  {{.*}}, {{%xmm[0-3]}}
; WIN32: addps  {{.*}}, {{%xmm[0-3]}}
; WIN32: call
; WIN32: ret

; NOT_WIN: testf16_inp
; NOT_WIN: addps  {{.*}}, {{%xmm[0-3]}}
; NOT_WIN: addps  {{.*}}, {{%xmm[0-3]}}
; NOT_WIN: addps  {{.*}}, {{%xmm[0-3]}}
; NOT_WIN: addps  {{.*}}, {{%xmm[0-3]}}
; NOT_WIN: movq   %rsp, %rdi
; NOT_WIN: call
; NOT_WIN: ret

;test calling conventions - input parameters
define <16 x float> @testf16_inp(<16 x float> %a, <16 x float> %b) nounwind {
  %y = alloca <16 x float>, align 16
  %x = fadd <16 x float> %a, %b
  %1 = call intel_ocl_bicc <16 x float> @func_float16_ptr(<16 x float> %x, <16 x float>* %y) 
  %2 = load <16 x float>, <16 x float>* %y, align 16
  %3 = fadd <16 x float> %2, %1
  ret <16 x float> %3
}

;test calling conventions - preserved registers

; preserved xmm6-xmm15
; WIN64: testf16_regs
; WIN64: call
; WIN64: addps  {{%xmm[6-9]}}, {{.*}}
; WIN64: addps  {{%xmm[6-9]}}, {{.*}}
; WIN64: ret

; preserved xmm8-xmm15
; NOT_WIN: testf16_regs
; NOT_WIN: call
; NOT_WIN: addps  {{%xmm([8-9]|1[0-1])}}, {{.*}}
; NOT_WIN: addps  {{%xmm([8-9]|1[0-1])}}, {{.*}}
; NOT_WIN: addps  {{%xmm([8-9]|1[0-1])}}, {{.*}}
; NOT_WIN: addps  {{%xmm([8-9]|1[0-1])}}, {{.*}}
; NOT_WIN: ret

define <16 x float> @testf16_regs(<16 x float> %a, <16 x float> %b) nounwind {
  %y = alloca <16 x float>, align 16
  %x = fadd <16 x float> %a, %b
  %1 = call intel_ocl_bicc <16 x float> @func_float16_ptr(<16 x float> %x, <16 x float>* %y) 
  %2 = load <16 x float>, <16 x float>* %y, align 16
  %3 = fadd <16 x float> %1, %b
  %4 = fadd <16 x float> %2, %3
  ret <16 x float> %4
}

; test calling conventions - prolog and epilog
; NOT_WIN: movaps {{%xmm([8-9]|1[0-5])}}, {{.*(%rsp).*}}  ## 16-byte Spill
; NOT_WIN: movaps {{%xmm([8-9]|1[0-5])}}, {{.*(%rsp).*}}  ## 16-byte Spill
; NOT_WIN: movaps {{%xmm([8-9]|1[0-5])}}, {{.*(%rsp).*}}  ## 16-byte Spill
; NOT_WIN: movaps {{%xmm([8-9]|1[0-5])}}, {{.*(%rsp).*}}  ## 16-byte Spill
; NOT_WIN: movaps {{%xmm([8-9]|1[0-5])}}, {{.*(%rsp).*}}  ## 16-byte Spill
; NOT_WIN: movaps {{%xmm([8-9]|1[0-5])}}, {{.*(%rsp).*}}  ## 16-byte Spill
; NOT_WIN: movaps {{%xmm([8-9]|1[0-5])}}, {{.*(%rsp).*}}  ## 16-byte Spill
; NOT_WIN: movaps {{%xmm([8-9]|1[0-5])}}, {{.*(%rsp).*}}  ## 16-byte Spill
; NOT_WIN: call
; NOT_WIN: movaps {{.*(%rsp).*}}, {{%xmm([8-9]|1[0-5])}}  ## 16-byte Reload
; NOT_WIN: movaps {{.*(%rsp).*}}, {{%xmm([8-9]|1[0-5])}}  ## 16-byte Reload
; NOT_WIN: movaps {{.*(%rsp).*}}, {{%xmm([8-9]|1[0-5])}}  ## 16-byte Reload
; NOT_WIN: movaps {{.*(%rsp).*}}, {{%xmm([8-9]|1[0-5])}}  ## 16-byte Reload
; NOT_WIN: movaps {{.*(%rsp).*}}, {{%xmm([8-9]|1[0-5])}}  ## 16-byte Reload
; NOT_WIN: movaps {{.*(%rsp).*}}, {{%xmm([8-9]|1[0-5])}}  ## 16-byte Reload
; NOT_WIN: movaps {{.*(%rsp).*}}, {{%xmm([8-9]|1[0-5])}}  ## 16-byte Reload
; NOT_WIN: movaps {{.*(%rsp).*}}, {{%xmm([8-9]|1[0-5])}}  ## 16-byte Reload
define intel_ocl_bicc <16 x float> @test_prolog_epilog(<16 x float> %a, <16 x float> %b) nounwind {
   %c = call <16 x float> @func_float16(<16 x float> %a, <16 x float> %b)
   ret <16 x float> %c
}