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17 lines
404 B
LLVM
17 lines
404 B
LLVM
; It is illegal to remove BB1 because it will mess up the PHI node!
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;
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; RUN: llvm-as < %s | opt -adce | llvm-dis | grep BB1
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define i32 @test(i1 %C, i32 %A, i32 %B) {
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; <label>:0
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br i1 %C, label %BB1, label %BB2
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BB1: ; preds = %0
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br label %BB2
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BB2: ; preds = %BB1, %0
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%R = phi i32 [ %A, %0 ], [ %B, %BB1 ] ; <i32> [#uses=1]
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ret i32 %R
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}
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