1; RUN: llc -stack-symbol-ordering=0 -mtriple=i686-windows-msvc < %s | FileCheck %s 2 3; 32-bit catch-all has to use a filter function because that's how it saves the 4; exception code. 5 6@str = linkonce_odr unnamed_addr constant [27 x i8] c"GetExceptionCode(): 0x%lx\0A\00", align 1 7 8declare i32 @_except_handler3(...) 9declare void @crash() 10declare i32 @printf(ptr nocapture readonly, ...) nounwind 11declare i32 @llvm.eh.typeid.for(ptr) 12declare ptr @llvm.frameaddress(i32) 13declare ptr @llvm.localrecover(ptr, ptr, i32) 14declare void @llvm.localescape(...) 15declare ptr @llvm.eh.recoverfp(ptr, ptr) 16 17define i32 @main() personality ptr @_except_handler3 { 18entry: 19 %__exceptioncode = alloca i32, align 4 20 call void (...) @llvm.localescape(ptr %__exceptioncode) 21 invoke void @crash() #5 22 to label %__try.cont unwind label %lpad 23 24lpad: ; preds = %entry 25 %cs1 = catchswitch within none [label %__except] unwind to caller 26 27__except: ; preds = %lpad 28 %p = catchpad within %cs1 [ptr @"filt$main"] 29 %code = load i32, ptr %__exceptioncode, align 4 30 %call = call i32 (ptr, ...) @printf(ptr @str, i32 %code) #4 [ "funclet"(token %p) ] 31 catchret from %p to label %__try.cont 32 33__try.cont: ; preds = %entry, %__except 34 ret i32 0 35} 36 37define internal i32 @"filt$main"() { 38entry: 39 %ebp = tail call ptr @llvm.frameaddress(i32 1) 40 %parentfp = tail call ptr @llvm.eh.recoverfp(ptr @main, ptr %ebp) 41 %code.i8 = tail call ptr @llvm.localrecover(ptr @main, ptr %parentfp, i32 0) 42 %info.addr = getelementptr inbounds i8, ptr %ebp, i32 -20 43 %0 = load ptr, ptr %info.addr, align 4 44 %1 = load ptr, ptr %0, align 4 45 %2 = load i32, ptr %1, align 4 46 store i32 %2, ptr %code.i8, align 4 47 ret i32 1 48} 49 50; Check that we can get the exception code from eax to the printf. 51 52; CHECK-LABEL: _main: 53; CHECK: pushl %ebp 54; CHECK: movl %esp, %ebp 55; Ensure that we push *all* the CSRs, since they are clobbered by the 56; __except block. 57; CHECK: pushl %ebx 58; CHECK: pushl %edi 59; CHECK: pushl %esi 60 61; CHECK: .set Lmain$frame_escape_0, [[code_offs:[-0-9]+]] 62; CHECK: movl %esp, [[reg_offs:[-0-9]+]](%ebp) 63; CHECK: movl $L__ehtable$main, 64; EH state 0 65; CHECK: movl $0, -16(%ebp) 66; CHECK: calll _crash 67; CHECK: popl %esi 68; CHECK: popl %edi 69; CHECK: popl %ebx 70; CHECK: retl 71; CHECK: LBB0_[[lpbb:[0-9]+]]: # %__except{{$}} 72; stackrestore 73; CHECK: movl -24(%ebp), %esp 74; EH state -1 75; CHECK: movl [[code_offs]](%ebp), %[[code:[a-z]+]] 76; CHECK: pushl %[[code]] 77; CHECK: pushl $_str 78; CHECK: calll _printf 79 80; CHECK: .section .xdata,"dr" 81; CHECK: .set Lmain$parent_frame_offset, [[reg_offs]] 82; CHECK: .p2align 2 83; CHECK: L__ehtable$main 84; CHECK-NEXT: .long -1 85; CHECK-NEXT: .long _filt$main 86; CHECK-NEXT: .long LBB0_[[lpbb]] 87 88; CHECK-LABEL: _filt$main: 89; CHECK: pushl %ebp 90; CHECK: movl %esp, %ebp 91; CHECK: movl (%ebp), %[[oldebp:[a-z]+]] 92; CHECK: movl -20(%[[oldebp]]), %[[ehinfo:[a-z]+]] 93; CHECK: movl (%[[ehinfo]]), %[[ehrec:[a-z]+]] 94; CHECK: movl (%[[ehrec]]), %[[ehcode:[a-z]+]] 95; CHECK: movl %[[ehcode]], {{.*}}(%{{.*}}) 96