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; RUN: llc < %s -O0 -mattr=sse2 -mtriple=x86_64-pc-windows-itanium | FileCheck %s -check-prefix=WIN64 -check-prefix=NORM
; RUN: llc < %s -O0 -mattr=sse2 -mtriple=x86_64-pc-mingw32 | FileCheck %s -check-prefix=WIN64 -check-prefix=NORM
; RUN: llc < %s -O0 -mattr=sse2 -mtriple=x86_64-pc-mingw32 -mcpu=atom | FileCheck %s -check-prefix=WIN64 -check-prefix=ATOM
; Check function without prolog
define void @foo0() uwtable {
entry:
ret void
}
; WIN64-LABEL: foo0:
; WIN64-NOT: .seh_proc foo0
; WIN64-NOT: .seh_endprologue
; WIN64: ret
; WIN64-NOT: .seh_endproc
; Checks a small stack allocation
define void @foo1() uwtable {
entry:
%baz = alloca [2000 x i16], align 2
ret void
}
; WIN64-LABEL: foo1:
; WIN64: .seh_proc foo1
; NORM: subq $4000, %rsp
; ATOM: leaq -4000(%rsp), %rsp
; WIN64: .seh_stackalloc 4000
; WIN64: .seh_endprologue
; WIN64: addq $4000, %rsp
; WIN64: ret
; WIN64: .seh_endproc
; Checks a stack allocation requiring call to __chkstk/___chkstk_ms
define void @foo2() uwtable {
entry:
%baz = alloca [4000 x i16], align 2
ret void
}
; WIN64-LABEL: foo2:
; WIN64: .seh_proc foo2
; WIN64: movl $8000, %eax
; WIN64: callq {{__chkstk|___chkstk_ms}}
; WIN64: subq %rax, %rsp
; WIN64: .seh_stackalloc 8000
; WIN64: .seh_endprologue
; WIN64: addq $8000, %rsp
; WIN64: ret
; WIN64: .seh_endproc
define i32 @foo3(i32 %f_arg, i32 %e_arg, i32 %d_arg, i32 %c_arg, i32 %b_arg, i32 %a_arg) uwtable {
entry:
%a = alloca i32
%b = alloca i32
%c = alloca i32
%d = alloca i32
%e = alloca i32
%f = alloca i32
store i32 %a_arg, ptr %a
store i32 %b_arg, ptr %b
store i32 %c_arg, ptr %c
store i32 %d_arg, ptr %d
store i32 %e_arg, ptr %e
store i32 %f_arg, ptr %f
%tmp = load i32, ptr %a
%tmp1 = mul i32 %tmp, 2
%tmp2 = load i32, ptr %b
%tmp3 = mul i32 %tmp2, 3
%tmp4 = add i32 %tmp1, %tmp3
%tmp5 = load i32, ptr %c
%tmp6 = mul i32 %tmp5, 5
%tmp7 = add i32 %tmp4, %tmp6
%tmp8 = load i32, ptr %d
%tmp9 = mul i32 %tmp8, 7
%tmp10 = add i32 %tmp7, %tmp9
%tmp11 = load i32, ptr %e
%tmp12 = mul i32 %tmp11, 11
%tmp13 = add i32 %tmp10, %tmp12
%tmp14 = load i32, ptr %f
%tmp15 = mul i32 %tmp14, 13
%tmp16 = add i32 %tmp13, %tmp15
ret i32 %tmp16
}
; WIN64-LABEL: foo3:
; WIN64: .seh_proc foo3
; NORM: subq $16, %rsp
; ATOM: leaq -16(%rsp), %rsp
; WIN64: .seh_stackalloc 16
; WIN64: .seh_endprologue
; WIN64: addq $16, %rsp
; WIN64: ret
; WIN64: .seh_endproc
; Check emission of eh handler and handler data
declare i32 @_d_eh_personality(i32, i32, i64, ptr, ptr)
declare void @_d_eh_resume_unwind(ptr)
declare i32 @bar()
define i32 @foo4() #0 personality ptr @_d_eh_personality {
entry:
%step = alloca i32, align 4
store i32 0, ptr %step
%tmp = load i32, ptr %step
%tmp1 = invoke i32 @bar()
to label %finally unwind label %landingpad
finally:
store i32 1, ptr %step
br label %endtryfinally
landingpad:
%landing_pad = landingpad { ptr, i32 }
cleanup
%tmp3 = extractvalue { ptr, i32 } %landing_pad, 0
store i32 2, ptr %step
call void @_d_eh_resume_unwind(ptr %tmp3)
unreachable
endtryfinally:
%tmp10 = load i32, ptr %step
ret i32 %tmp10
}
; WIN64-LABEL: foo4:
; WIN64: .seh_proc foo4
; WIN64: .seh_handler _d_eh_personality, @unwind, @except
; NORM: subq $40, %rsp
; ATOM: leaq -40(%rsp), %rsp
; WIN64: .seh_stackalloc 40
; WIN64: .seh_endprologue
; WIN64: addq $40, %rsp
; WIN64: ret
; WIN64: .seh_handlerdata
; WIN64: .seh_endproc
; Check stack re-alignment and xmm spilling
define void @foo5() uwtable {
entry:
%s = alloca i32, align 64
call void asm sideeffect "", "~{rbx},~{rdi},~{xmm6},~{xmm7}"()
ret void
}
; WIN64-LABEL: foo5:
; WIN64: .seh_proc foo5
; WIN64: pushq %rbp
; WIN64: .seh_pushreg %rbp
; WIN64: pushq %rdi
; WIN64: .seh_pushreg %rdi
; WIN64: pushq %rbx
; WIN64: .seh_pushreg %rbx
; NORM: subq $96, %rsp
; ATOM: leaq -96(%rsp), %rsp
; WIN64: .seh_stackalloc 96
; WIN64: leaq 96(%rsp), %rbp
; WIN64: .seh_setframe %rbp, 96
; WIN64: movaps %xmm7, -16(%rbp) # 16-byte Spill
; WIN64: .seh_savexmm %xmm7, 80
; WIN64: movaps %xmm6, -32(%rbp) # 16-byte Spill
; WIN64: .seh_savexmm %xmm6, 64
; WIN64: .seh_endprologue
; WIN64: andq $-64, %rsp
; WIN64: movaps -32(%rbp), %xmm6 # 16-byte Reload
; WIN64: movaps -16(%rbp), %xmm7 # 16-byte Reload
; WIN64: movq %rbp, %rsp
; WIN64: popq %rbx
; WIN64: popq %rdi
; WIN64: popq %rbp
; WIN64: retq
; WIN64: .seh_endproc
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