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- ; THis testcase caused an assertion failure because a PHI node did not have
- ; entries for it's postdominator. But I think this can only happen when the
- ; PHI node is dead, so we just avoid patching up dead PHI nodes.
- ; RUN: opt < %s -adce
- target datalayout = "e-p:32:32"
- define void @dead_test8() {
- entry:
- br label %loopentry
- loopentry: ; preds = %endif, %entry
- %k.1 = phi i32 [ %k.0, %endif ], [ 0, %entry ] ; <i32> [#uses=1]
- br i1 false, label %no_exit, label %return
- no_exit: ; preds = %loopentry
- br i1 false, label %then, label %else
- then: ; preds = %no_exit
- br label %endif
- else: ; preds = %no_exit
- %dec = add i32 %k.1, -1 ; <i32> [#uses=1]
- br label %endif
- endif: ; preds = %else, %then
- %k.0 = phi i32 [ %dec, %else ], [ 0, %then ] ; <i32> [#uses=1]
- store i32 2, i32* null
- br label %loopentry
- return: ; preds = %loopentry
- ret void
- }
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