1; This is a basic correctness check for constant propagation. The add 2; instruction and phi instruction should be eliminated. 3 4; RUN: opt < %s -passes=sccp -S | not grep phi 5; RUN: opt < %s -passes=sccp -S | not grep add 6 7define i128 @test(i1 %B) { 8 br i1 %B, label %BB1, label %BB2 9BB1: 10 %Val = add i128 0, 1 11 br label %BB3 12BB2: 13 br label %BB3 14BB3: 15 %Ret = phi i128 [%Val, %BB1], [1, %BB2] 16 ret i128 %Ret 17} 18