34 lines
1.3 KiB
LLVM
34 lines
1.3 KiB
LLVM
; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s
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; An unknown personality forces us to emit an Itanium LSDA. Make sure that the
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; Itanium call site table actually tells the personality to keep unwinding,
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; i.e. we have an entry and it says "has no landing pad".
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declare void @throwit()
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declare void @__unknown_ehpersonality(...)
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define void @use_unknown_ehpersonality()
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personality void (...)* @__unknown_ehpersonality {
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entry:
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call void @throwit()
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unreachable
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}
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; CHECK-LABEL: use_unknown_ehpersonality:
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; CHECK: .Lfunc_begin0:
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; CHECK: .seh_handler __unknown_ehpersonality, @unwind, @except
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; CHECK: callq throwit
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; CHECK: .Lfunc_end0:
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; CHECK: .seh_handlerdata
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; CHECK: .Lexception0:
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; CHECK: .byte 255 # @LPStart Encoding = omit
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; CHECK: .byte 255 # @TType Encoding = omit
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; CHECK: .byte 1 # Call site Encoding = uleb128
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; CHECK: .uleb128 .Lcst_end0-.Lcst_begin0
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; CHECK: .Lcst_begin0:
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; CHECK: .uleb128 .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 <<
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; CHECK: .uleb128 .Lfunc_end0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Lfunc_end0
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; CHECK: .byte 0 # has no landing pad
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; CHECK: .byte 0 # On action: cleanup
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; CHECK: .Lcst_end0:
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