; RUN: llc -mtriple=i686-windows-msvc < %s | FileCheck %s ; 32-bit catch-all has to use a filter function because that's how it saves the ; exception code. @str = linkonce_odr unnamed_addr constant [27 x i8] c"GetExceptionCode(): 0x%lx\0A\00", align 1 declare i32 @_except_handler3(...) declare void @crash() declare i32 @printf(i8* nocapture readonly, ...) nounwind declare i32 @llvm.eh.typeid.for(i8*) declare i8* @llvm.frameaddress(i32) declare i8* @llvm.localrecover(i8*, i8*, i32) declare void @llvm.localescape(...) declare i8* @llvm.x86.seh.recoverfp(i8*, i8*) define i32 @main() personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) { entry: ; The EH code allocation is overaligned, triggering realignment. %__exceptioncode = alloca i32, align 8 call void (...) @llvm.localescape(i32* %__exceptioncode) invoke void @crash() #5 to label %__try.cont unwind label %lpad lpad: ; preds = %entry %cs1 = catchswitch within none [label %__except] unwind to caller __except: ; preds = %lpad %p = catchpad within %cs1 [i8* bitcast (i32 ()* @"filt$main" to i8*)] %code = load i32, i32* %__exceptioncode, align 4 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @str, i32 0, i32 0), i32 %code) #4 catchret from %p to label %__try.cont __try.cont: ; preds = %entry, %__except ret i32 0 } define internal i32 @"filt$main"() { entry: %ebp = tail call i8* @llvm.frameaddress(i32 1) %parentfp = tail call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %ebp) %code.i8 = tail call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* %parentfp, i32 0) %__exceptioncode = bitcast i8* %code.i8 to i32* %info.addr = getelementptr inbounds i8, i8* %ebp, i32 -20 %0 = bitcast i8* %info.addr to i32*** %1 = load i32**, i32*** %0, align 4 %2 = load i32*, i32** %1, align 4 %3 = load i32, i32* %2, align 4 store i32 %3, i32* %__exceptioncode, align 4 ret i32 1 } ; Check that we can get the exception code from eax to the printf. ; CHECK-LABEL: _main: ; CHECK: Lmain$frame_escape_0 = [[code_offs:[-0-9]+]] ; CHECK: movl %esp, [[reg_offs:[-0-9]+]](%esi) ; CHECK: movl $L__ehtable$main, ; EH state 0 ; CHECK: movl $0, 40(%esi) ; CHECK: calll _crash ; CHECK: retl ; CHECK: LBB0_[[lpbb:[0-9]+]]: # %__except ; Restore ESP ; CHECK: movl -24(%ebp), %esp ; Restore ESI ; CHECK: leal -44(%ebp), %esi ; Restore EBP ; CHECK: movl 12(%esi), %ebp ; CHECK: movl [[code_offs]](%esi), %[[code:[a-z]+]] ; CHECK-DAG: movl %[[code]], 4(%esp) ; CHECK-DAG: movl $_str, (%esp) ; CHECK: calll _printf ; CHECK: .section .xdata,"dr" ; CHECK: Lmain$parent_frame_offset = [[reg_offs]] ; CHECK: L__ehtable$main ; CHECK-NEXT: .long -1 ; CHECK-NEXT: .long _filt$main ; CHECK-NEXT: .long LBB0_[[lpbb]] ; CHECK-LABEL: _filt$main: ; CHECK: pushl %ebp ; CHECK: movl %esp, %ebp ; CHECK: movl (%ebp), %[[oldebp:[a-z]+]] ; CHECK: movl -20(%[[oldebp]]), %[[ehinfo:[a-z]+]] ; CHECK: movl (%[[ehinfo]]), %[[ehrec:[a-z]+]] ; CHECK: movl (%[[ehrec]]), %[[ehcode:[a-z]+]] ; CHECK: movl %[[ehcode]], {{.*}}(%{{.*}})