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09e89faf8c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4484 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
566 B
LLVM
22 lines
566 B
LLVM
; a load or store of a pointer indicates that the pointer is not null.
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; Any succeeding uses of the pointer should get this info
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; RUN: if as < %s | opt -cee -instcombine -simplifycfg | dis | grep br
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; RUN: then exit 1
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; RUN: else exit 0
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; RUN: fi
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implementation ; Functions:
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int %nullptr(int* %j) {
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bb0:
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store int 7, int* %j ; j != null
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%cond220 = seteq int* %j, null ; F
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br bool %cond220, label %bb3, label %bb4 ; direct branch
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bb3:
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ret int 4 ; Dead code
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bb4:
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ret int 3 ; Live code
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}
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