File: 2009-08-15-UnreachableBB.ll

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llvm 2.6-9.1
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; RUN: llvm-as < %s | opt -ssi-everything -disable-output

declare fastcc i32 @ras_Empty(i8** nocapture) nounwind readonly

define i32 @cc_Tautology() nounwind {
entry:
	unreachable

cc_InitData.exit:		; No predecessors!
	%0 = call fastcc i32 @ras_Empty(i8** undef) nounwind		; <i32> [#uses=1]
	%1 = icmp eq i32 %0, 0		; <i1> [#uses=1]
	br i1 %1, label %bb2, label %bb6

bb2:		; preds = %cc_InitData.exit
	unreachable

bb6:		; preds = %cc_InitData.exit
	ret i32 undef
}