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