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comparison test/Transforms/InstCombine/2002-08-02-CastTest.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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-1:000000000000 0:95c75e76d11b
1 ; This testcase is incorrectly getting completely eliminated. There should be
2 ; SOME instruction named %c here, even if it's a bitwise and.
3 ;
4 ; RUN: opt < %s -instcombine -S | grep %c
5 ;
6 define i64 @test3(i64 %A) {
7 %c1 = trunc i64 %A to i8 ; <i8> [#uses=1]
8 %c2 = zext i8 %c1 to i64 ; <i64> [#uses=1]
9 ret i64 %c2
10 }
11