Add check that phi nodes get constant propogated away
llvm-svn: 2541
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; This is a basic sanity check for constant propogation. The add instruction
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; should be eliminated.
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; RUN: if as < %s | opt -constprop -die | dis | grep phi
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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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int "test"(bool %B)
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begin
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BB0:
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br bool %B, label %BB1, label %BB3
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BB1:
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br label %BB3
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BB3:
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%Ret = phi int [1, %BB0], [1, %BB1]
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ret int %Ret
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end
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