llvm-6502/test/Transforms/ConstProp/phi.ll

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; This is a basic sanity check for constant propagation. The add instruction
; should be eliminated.
; RUN: opt < %s -constprop -die -S | not grep phi
define i32 @test(i1 %B) {
BB0:
br i1 %B, label %BB1, label %BB3
BB1: ; preds = %BB0
br label %BB3
BB3: ; preds = %BB1, %BB0
%Ret = phi i32 [ 1, %BB0 ], [ 1, %BB1 ] ; <i32> [#uses=1]
ret i32 %Ret
}