Mercurial > hg > CbC > CbC_llvm
comparison test/Transforms/ADCE/2002-05-22-PHITest.ll @ 0:95c75e76d11b LLVM3.4
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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| children |
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| -1:000000000000 | 0:95c75e76d11b |
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| 1 ; It is illegal to remove BB1 because it will mess up the PHI node! | |
| 2 ; | |
| 3 ; RUN: opt < %s -adce -S | grep BB1 | |
| 4 | |
| 5 define i32 @test(i1 %C, i32 %A, i32 %B) { | |
| 6 ; <label>:0 | |
| 7 br i1 %C, label %BB1, label %BB2 | |
| 8 | |
| 9 BB1: ; preds = %0 | |
| 10 br label %BB2 | |
| 11 | |
| 12 BB2: ; preds = %BB1, %0 | |
| 13 %R = phi i32 [ %A, %0 ], [ %B, %BB1 ] ; <i32> [#uses=1] | |
| 14 ret i32 %R | |
| 15 } | |
| 16 |