36 lines
506 B
LLVM
36 lines
506 B
LLVM
; RUN: opt < %s -lcssa -disable-output
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; PR28608
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; Check that we don't crash on this test.
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define void @foo() {
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entry:
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br label %bb1
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bb1:
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br label %bb2
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bb2:
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%x = phi i32 [ undef, %bb5 ], [ undef, %bb1 ]
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br i1 undef, label %bb3, label %bb6
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bb3:
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br i1 undef, label %bb5, label %bb4
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bb4:
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br label %bb6
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bb5:
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br label %bb2
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bb6:
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br label %bb1
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exit:
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%y = add i32 0, %x
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ret void
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}
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