1 ; RUN: llc -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(i8* nocapture readonly, ...) nounwind
11 declare i32 @llvm.eh.typeid.for(i8*)
12 declare i8* @llvm.frameaddress(i32)
13 declare i8* @llvm.framerecover(i8*, i8*, i32)
14 declare void @llvm.frameescape(...)
15 declare i8* @llvm.x86.seh.exceptioninfo(i8*, i8*)
17 define i32 @main() personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
19 %__exceptioncode = alloca i32, align 4
20 call void (...) @llvm.frameescape(i32* %__exceptioncode)
21 invoke void @crash() #5
22 to label %__try.cont unwind label %lpad
24 lpad: ; preds = %entry
25 %0 = landingpad { i8*, i32 }
26 catch i8* bitcast (i32 ()* @"filt$main" to i8*)
27 %1 = extractvalue { i8*, i32 } %0, 1
28 %2 = call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @"filt$main" to i8*)) #4
29 %matches = icmp eq i32 %1, %2
30 br i1 %matches, label %__except, label %eh.resume
32 __except: ; preds = %lpad
33 %3 = load i32, i32* %__exceptioncode, align 4
34 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @str, i32 0, i32 0), i32 %3) #4
37 __try.cont: ; preds = %entry, %__except
40 eh.resume: ; preds = %lpad
41 resume { i8*, i32 } %0
44 define internal i32 @"filt$main"() {
46 %0 = tail call i8* @llvm.frameaddress(i32 1)
47 %1 = tail call i8* @llvm.framerecover(i8* bitcast (i32 ()* @main to i8*), i8* %0, i32 0)
48 %__exceptioncode = bitcast i8* %1 to i32*
49 %2 = tail call i8* @llvm.x86.seh.exceptioninfo(i8* bitcast (i32 ()* @main to i8*), i8* %0)
50 %3 = bitcast i8* %2 to i32**
51 %4 = load i32*, i32** %3, align 4
52 %5 = load i32, i32* %4, align 4
53 store i32 %5, i32* %__exceptioncode, align 4
57 ; Check that we can get the exception code from eax to the printf.
60 ; CHECK: Lmain$frame_escape_0 = [[code_offs:[-0-9]+]]
61 ; CHECK: Lmain$frame_escape_1 = [[reg_offs:[-0-9]+]]
62 ; CHECK: movl %esp, [[reg_offs]](%ebp)
63 ; CHECK: movl $L__ehtable$main,
65 ; CHECK: movl $0, -4(%ebp)
68 ; CHECK: # Block address taken
70 ; CHECK: movl [[reg_offs]](%ebp), %esp
72 ; CHECK: movl [[code_offs]](%ebp), %[[code:[a-z]+]]
73 ; CHECK: movl $-1, -4(%ebp)
74 ; CHECK-DAG: movl %[[code]], 4(%esp)
75 ; CHECK-DAG: movl $_str, (%esp)
76 ; CHECK: calll _printf
78 ; CHECK: .section .xdata,"dr"
79 ; CHECK: L__ehtable$main
80 ; CHECK-NEXT: .long -1
81 ; CHECK-NEXT: .long _filt$main
82 ; CHECK-NEXT: .long Ltmp{{[0-9]+}}
84 ; CHECK-LABEL: _filt$main: