1; This is a basic correctness check for constant propagation. The add 2; instruction should be eliminated. 3 4; RUN: opt < %s -passes=sccp -S | not grep add 5 6define i128 @test(i1 %B) { 7 br i1 %B, label %BB1, label %BB2 8BB1: 9 %Val = add i128 0, 1 10 br label %BB3 11BB2: 12 br label %BB3 13BB3: 14 %Ret = phi i128 [%Val, %BB1], [2, %BB2] 15 ret i128 %Ret 16} 17