llvm-project/llvm/test/CodeGen/X86/eh-unknown.ll

33 lines
1.3 KiB
LLVM

; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s
; An unknown personality forces us to emit an Itanium LSDA. Make sure that the
; Itanium call site table actually tells the personality to keep unwinding,
; i.e. we have an entry and it says "has no landing pad".
declare void @throwit()
declare void @__unknown_ehpersonality(...)
define void @use_unknown_ehpersonality()
personality void (...)* @__unknown_ehpersonality {
entry:
call void @throwit()
unreachable
}
; CHECK-LABEL: use_unknown_ehpersonality:
; CHECK: .Lfunc_begin0:
; CHECK: .seh_handler __unknown_ehpersonality, @unwind, @except
; CHECK: callq throwit
; CHECK: .Lfunc_end0:
; CHECK: .seh_handlerdata
; CHECK: .Lexception0:
; CHECK: .byte 255 # @LPStart Encoding = omit
; CHECK: .byte 0 # @TType Encoding = absptr
; CHECK: .asciz "\217\200" # @TType base offset
; CHECK: .byte 3 # Call site Encoding = udata4
; CHECK: .byte 13 # Call site table length
; CHECK: .long .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 <<
; CHECK: .long .Lfunc_end0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Lfunc_end0
; CHECK: .long 0 # has no landing pad
; CHECK: .byte 0 # On action: cleanup