; RUN: llc -stack-symbol-ordering=0 -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(ptr nocapture readonly, ...) nounwind
declare i32 @llvm.eh.typeid.for(ptr)
declare ptr @llvm.frameaddress(i32)
declare ptr @llvm.localrecover(ptr, ptr, i32)
declare void @llvm.localescape(...)
declare ptr @llvm.eh.recoverfp(ptr, ptr)
define i32 @main() personality ptr @_except_handler3 {
entry:
; The EH code allocation is overaligned, triggering realignment.
%__exceptioncode = alloca i32, align 8
call void (...) @llvm.localescape(ptr %__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 [ptr @"filt$main"]
%code = load i32, ptr %__exceptioncode, align 4
%call = call i32 (ptr, ...) @printf(ptr @str, i32 %code) #4 [ "funclet"(token %p) ]
catchret from %p to label %__try.cont
__try.cont: ; preds = %entry, %__except
ret i32 0
}
define internal i32 @"filt$main"() {
entry:
%ebp = tail call ptr @llvm.frameaddress(i32 1)
%parentfp = tail call ptr @llvm.eh.recoverfp(ptr @main, ptr %ebp)
%code.i8 = tail call ptr @llvm.localrecover(ptr @main, ptr %parentfp, i32 0)
%info.addr = getelementptr inbounds i8, ptr %ebp, i32 -20
%0 = load ptr, ptr %info.addr, align 4
%1 = load ptr, ptr %0, align 4
%2 = load i32, ptr %1, align 4
store i32 %2, ptr %code.i8, align 4
ret i32 1
}
; Check that we can get the exception code from eax to the printf.
; CHECK-LABEL: _main:
; CHECK: .set 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, 32(%esi)
; CHECK: calll _crash
; CHECK: retl
; CHECK: LBB0_[[lpbb:[0-9]+]]: # %__except
; Restore ESP
; CHECK: movl -24(%ebp), %esp
; Restore ESI
; CHECK: leal -36(%ebp), %esi
; Restore EBP
; CHECK: movl 4(%esi), %ebp
; CHECK: movl [[code_offs]](%esi), %[[code:[a-z]+]]
; CHECK: pushl %[[code]]
; CHECK: pushl $_str
; CHECK: calll _printf
; CHECK: .section .xdata,"dr"
; CHECK: .set Lmain$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]], {{.*}}(%{{.*}})
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