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Add a test case for PR1271 (necessary, but not sufficient).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35343 91177308-0d34-0410-b5e6-96231b3b80d8
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test/Transforms/InstCombine/2007-03-25-DoubleShift.ll
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test/Transforms/InstCombine/2007-03-25-DoubleShift.ll
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@ -0,0 +1,9 @@
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; PR1271
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep and
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define i1 @test(i32 %tmp13) {
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entry:
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%tmp14 = shl i32 %tmp13, 12 ; <i32> [#uses=1]
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%tmp15 = lshr i32 %tmp14, 12 ; <i32> [#uses=1]
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%res = icmp ne i32 %tmp15, 0 ; <i1>:3 [#uses=1]
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ret i1 %res
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}
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