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e78760e179
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8558 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
943 B
LLVM
38 lines
943 B
LLVM
; THis testcase caused an assertion failure because a PHI node did not have
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; entries for it's postdominator. But I think this can only happen when the
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; PHI node is dead, so we just avoid patching up dead PHI nodes.
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; RUN: llvm-as < %s | opt -adce
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target endian = little
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target pointersize = 32
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implementation ; Functions:
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void %dead_test8() {
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entry: ; No predecessors!
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br label %loopentry
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loopentry: ; preds = %entry, %endif
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%k.1 = phi int [ %k.0, %endif ], [ 0, %entry ] ; <int> [#uses=1]
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br bool false, label %no_exit, label %return
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no_exit: ; preds = %loopentry
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br bool false, label %then, label %else
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then: ; preds = %no_exit
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br label %endif
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else: ; preds = %no_exit
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%dec = add int %k.1, -1 ; <int> [#uses=1]
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br label %endif
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endif: ; preds = %else, %then
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%k.0 = phi int [ %dec, %else ], [ 0, %then ] ; <int> [#uses=1]
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store int 2, int* null
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br label %loopentry
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return: ; preds = %loopentry
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ret void
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}
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