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New testcase for PHI folding
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2495 91177308-0d34-0410-b5e6-96231b3b80d8
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test/Transforms/InstCombine/phi.ll
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17
test/Transforms/InstCombine/phi.ll
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; This test makes sure that these instructions are properly eliminated.
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;
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; RUN: if as < %s | opt -instcombine -dce | 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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implementation
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int "test1"(int %A) {
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BB0: br label %BB1
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BB1:
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%B = phi int [%A, %BB0] ; Combine away one argument PHI nodes
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ret int %B
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}
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