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;; Verify that @LPStart is omitted when there are no landing pads. This test
;; uses an unkown personality to force emitting the exception table.
; RUN: llc -basic-block-sections=all -mtriple=x86_64 < %s | FileCheck %s
declare void @throwit()
declare i32 @__unknown_ehpersonality(...)
define void @foo(i1 %cond) uwtable personality ptr @__unknown_ehpersonality {
entry:
br i1 %cond, label %cond.true, label %cond.false
cond.true: ; preds = %entry
call void @throwit()
unreachable
cond.false: ; preds = %entry
ret void
}
; CHECK: GCC_except_table0:
; CHECK-NEXT: .Lexception0:
; CHECK-NEXT: .byte 255 # @LPStart Encoding = omit
; CHECK-NEXT: .byte 255 # @TType Encoding = omit
; CHECK-NEXT: .byte 1 # Call site Encoding = uleb128
; CHECK-NEXT: .uleb128 .Laction_table_base0-.Lcst_begin0
; CHECK-NEXT: .Lcst_begin0:
; CHECK-NEXT: .Lexception1:
; CHECK-NEXT: .byte 255 # @LPStart Encoding = omit
; CHECK-NEXT: .byte 255 # @TType Encoding = omit
; CHECK-NEXT: .byte 1 # Call site Encoding = uleb128
; CHECK-NEXT: .uleb128 .Laction_table_base0-.Lcst_begin1
; CHECK-NEXT: .Lcst_begin1:
; CHECK-NEXT: .Lexception2:
; CHECK-NEXT: .byte 255 # @LPStart Encoding = omit
; CHECK-NEXT: .byte 255 # @TType Encoding = omit
; CHECK-NEXT: .byte 1 # Call site Encoding = uleb128
; CHECK-NEXT: .uleb128 .Laction_table_base0-.Lcst_begin2
; CHECK-NEXT: .Lcst_begin2:
; CHECK-NEXT: .uleb128 foo.__part.2-foo.__part.2 # >> Call Site 1 <<
; CHECK-NEXT: .uleb128 .LBB_END0_2-foo.__part.2 # Call between foo.__part.2 and .LBB_END0_2
; CHECK-NEXT: .byte 0 # has no landing pad
; CHECK-NEXT: .byte 0 # On action: cleanup
; CHECK-NEXT: .Laction_table_base0:
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