1 ; RUN: llc -stack-symbol-ordering=0 -mtriple=i686-windows-msvc < %s | FileCheck %s
3 ; 32-bit catch-all has to use a filter function because that's how it saves the
6 @str = linkonce_odr unnamed_addr constant [27 x i8] c"GetExceptionCode(): 0x%lx\0A\00", align 1
8 declare i32 @_except_handler3(...)
10 declare i32 @printf(ptr nocapture readonly, ...) nounwind
11 declare i32 @llvm.eh.typeid.for(ptr)
12 declare ptr @llvm.frameaddress(i32)
13 declare ptr @llvm.localrecover(ptr, ptr, i32)
14 declare void @llvm.localescape(...)
15 declare ptr @llvm.eh.recoverfp(ptr, ptr)
17 define i32 @main() personality ptr @_except_handler3 {
19 ; The EH code allocation is overaligned, triggering realignment.
20 %__exceptioncode = alloca i32, align 8
21 call void (...) @llvm.localescape(ptr %__exceptioncode)
22 invoke void @crash() #5
23 to label %__try.cont unwind label %lpad
25 lpad: ; preds = %entry
26 %cs1 = catchswitch within none [label %__except] unwind to caller
28 __except: ; preds = %lpad
29 %p = catchpad within %cs1 [ptr @"filt$main"]
30 %code = load i32, ptr %__exceptioncode, align 4
31 %call = call i32 (ptr, ...) @printf(ptr @str, i32 %code) #4 [ "funclet"(token %p) ]
32 catchret from %p to label %__try.cont
34 __try.cont: ; preds = %entry, %__except
38 define internal i32 @"filt$main"() {
40 %ebp = tail call ptr @llvm.frameaddress(i32 1)
41 %parentfp = tail call ptr @llvm.eh.recoverfp(ptr @main, ptr %ebp)
42 %code.i8 = tail call ptr @llvm.localrecover(ptr @main, ptr %parentfp, i32 0)
43 %info.addr = getelementptr inbounds i8, ptr %ebp, i32 -20
44 %0 = load ptr, ptr %info.addr, align 4
45 %1 = load ptr, ptr %0, align 4
46 %2 = load i32, ptr %1, align 4
47 store i32 %2, ptr %code.i8, align 4
51 ; Check that we can get the exception code from eax to the printf.
54 ; CHECK: .set Lmain$frame_escape_0, [[code_offs:[-0-9]+]]
55 ; CHECK: movl %esp, [[reg_offs:[-0-9]+]](%esi)
56 ; CHECK: movl $L__ehtable$main,
58 ; CHECK: movl $0, 32(%esi)
61 ; CHECK: LBB0_[[lpbb:[0-9]+]]: # %__except
63 ; CHECK: movl -24(%ebp), %esp
65 ; CHECK: leal -36(%ebp), %esi
67 ; CHECK: movl 4(%esi), %ebp
68 ; CHECK: movl [[code_offs]](%esi), %[[code:[a-z]+]]
69 ; CHECK: pushl %[[code]]
71 ; CHECK: calll _printf
73 ; CHECK: .section .xdata,"dr"
74 ; CHECK: .set Lmain$parent_frame_offset, [[reg_offs]]
75 ; CHECK: L__ehtable$main
76 ; CHECK-NEXT: .long -1
77 ; CHECK-NEXT: .long _filt$main
78 ; CHECK-NEXT: .long LBB0_[[lpbb]]
80 ; CHECK-LABEL: _filt$main:
82 ; CHECK: movl %esp, %ebp
83 ; CHECK: movl (%ebp), %[[oldebp:[a-z]+]]
84 ; CHECK: movl -20(%[[oldebp]]), %[[ehinfo:[a-z]+]]
85 ; CHECK: movl (%[[ehinfo]]), %[[ehrec:[a-z]+]]
86 ; CHECK: movl (%[[ehrec]]), %[[ehcode:[a-z]+]]
87 ; CHECK: movl %[[ehcode]], {{.*}}(%{{.*}})