1; RUN: llc -stack-symbol-ordering=0 -mtriple=x86_64-windows-msvc < %s | FileCheck %s --check-prefix=X64
2; RUN: llc -stack-symbol-ordering=0 -mtriple=i686-windows-msvc < %s | FileCheck %s --check-prefix=X86
3
4declare void @llvm.va_start(i8*)
5declare void @llvm.va_end(i8*)
6declare i32 @__CxxFrameHandler3(...)
7declare void @g()
8
9define i32 @f(i32 %a, ...) personality i32 (...)* @__CxxFrameHandler3 {
10entry:
11  %ap = alloca i8*
12  invoke void @g()
13          to label %return unwind label %catch.dispatch
14
15catch.dispatch:                                   ; preds = %entry
16  %cs1 = catchswitch within none [label %catch] unwind to caller
17
18catch:                                            ; preds = %catch.dispatch
19  %0 = catchpad within %cs1 [i8* null, i32 64, i8* null]
20  %ap1 = bitcast i8** %ap to i8*
21  call void @llvm.va_start(i8* %ap1)
22  %argp.cur = load i8*, i8** %ap
23  %1 = bitcast i8* %argp.cur to i32*
24  %arg2 = load i32, i32* %1
25  call void @llvm.va_end(i8* %ap1)
26  catchret from %0 to label %return
27
28return:                                           ; preds = %entry, %catch
29  %retval.0 = phi i32 [ %arg2, %catch ], [ -1, %entry ]
30  ret i32 %retval.0
31}
32
33; X64-LABEL: .seh_proc f
34; X64: pushq %rbp
35; X64: subq $64, %rsp
36; X64: leaq 64(%rsp), %rbp
37; X64: movq $-2, -8(%rbp)
38; X64: movl    $-1, -20(%rbp) # 4-byte Folded Spill
39; X64: callq g
40; X64: .LBB0_1
41; X64: movl    -20(%rbp), %eax # 4-byte Reload
42; X64: addq $64, %rsp
43; X64: popq %rbp
44
45; X64-LABEL: "?catch${{[0-9]}}@?0?f@4HA":
46; X64: .seh_proc "?catch${{[0-9]}}@?0?f@4HA"
47; X64:         movq    %rdx, 16(%rsp)
48; X64:         pushq   %rbp
49; X64:         subq    $32, %rsp
50; X64:         leaq    64(%rdx), %rbp
51; arg2 is at RBP+40:
52; start at arg2
53; + 8 for arg1
54; + 8 for retaddr
55; + 8 for RBP
56; + 64 for stackalloc
57; - 64 for setframe
58; = 40
59; X64:         movl    24(%rbp), %eax
60; X64:         movl    %eax, -20(%rbp)  # 4-byte Spill
61; X64:         leaq    .LBB0_1(%rip), %rax
62; X64:         addq    $32, %rsp
63; X64:         popq    %rbp
64; X64:         retq                            # CATCHRET
65
66; X86-LABEL: _f:                                     # @f
67; X86:         pushl   %ebp
68; X86:         movl    %esp, %ebp
69; X86:         pushl   %ebx
70; X86:         pushl   %edi
71; X86:         pushl   %esi
72; X86:         subl    $24, %esp
73; X86: 	       movl    $-1, -36(%ebp)
74; X86:         calll   _g
75; X86: LBB0_[[retbb:[0-9]+]]:
76; X86:         movl    -36(%ebp), %eax
77; X86:         addl    $24, %esp
78; X86:         popl    %esi
79; X86:         popl    %edi
80; X86:         popl    %ebx
81; X86:         popl    %ebp
82; X86:         retl
83
84; X86: LBB0_[[restorebb:[0-9]+]]: # Block address taken
85; X86: addl $12, %ebp
86; arg2 is at EBP offset 12:
87; + 4 for arg1
88; + 4 for retaddr
89; + 4 for EBP
90; X86: movl 12(%ebp), %eax
91; X86: movl %eax, -36(%ebp)
92; X86: jmp LBB0_[[retbb]]
93
94; X86-LABEL: "?catch${{[0-9]}}@?0?f@4HA":
95; X86:         pushl   %ebp
96; X86:         addl    $12, %ebp
97; Done due to mov %esp, %ebp
98; X86:         leal    12(%ebp), %eax
99; X86:         movl    $LBB0_[[restorebb]], %eax
100; X86:         popl    %ebp
101; X86:         retl                            # CATCHRET
102