1 ; This is a basic sanity check for constant propagation. The add instruction 2 ; should be eliminated. 3 4 ; RUN: opt < %s -constprop -die -S | not grep phi 5 6 define i32 @test(i1 %B) { 7 BB0: 8 br i1 %B, label %BB1, label %BB3 9 10 BB1: ; preds = %BB0 11 br label %BB3 12 13 BB3: ; preds = %BB1, %BB0 14 %Ret = phi i32 [ 1, %BB0 ], [ 1, %BB1 ] ; <i32> [#uses=1] 15 ret i32 %Ret 16 } 17 18
