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Diffstat (limited to 'test/Transforms/ADCE/2002-05-22-PHITest.ll')
| -rw-r--r-- | test/Transforms/ADCE/2002-05-22-PHITest.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/ADCE/2002-05-22-PHITest.ll b/test/Transforms/ADCE/2002-05-22-PHITest.ll new file mode 100644 index 0000000..0095be1 --- /dev/null +++ b/test/Transforms/ADCE/2002-05-22-PHITest.ll @@ -0,0 +1,16 @@ +; It is illegal to remove BB1 because it will mess up the PHI node! +; +; RUN: opt < %s -adce -S | grep BB1 + +define i32 @test(i1 %C, i32 %A, i32 %B) { +; <label>:0 + br i1 %C, label %BB1, label %BB2 + +BB1: ; preds = %0 + br label %BB2 + +BB2: ; preds = %BB1, %0 + %R = phi i32 [ %A, %0 ], [ %B, %BB1 ] ; <i32> [#uses=1] + ret i32 %R +} + |