blob: 23588d56c335aa38bf4fbb623086c0d06386756a [file] [log] [blame]
; RUN: opt < %s -lowerswitch -disable-output
; This test verify -lowerswitch does not crash after deleting the default block.
declare i32 @f(i32)
define i32 @unreachable(i32 %x) {
entry:
switch i32 %x, label %unreachable [
i32 5, label %a
i32 6, label %a
i32 7, label %a
i32 10, label %b
i32 20, label %b
i32 30, label %b
i32 40, label %b
]
unreachable:
unreachable
a:
%0 = call i32 @f(i32 0)
ret i32 %0
b:
%1 = call i32 @f(i32 1)
ret i32 %1
}