1; RUN: opt < %s -instcombine -simplifycfg -S | grep " = phi " | count 1 2 3; instcombine should sort the PHI operands so that simplifycfg can see the 4; duplicate and remove it. 5 6define i32 @foo(i1 %t) { 7entry: 8 call void @bar() 9 br i1 %t, label %true, label %false 10true: 11 call void @bar() 12 br label %false 13false: 14 %a = phi i32 [ 2, %true ], [ 5, %entry ] 15 %b = phi i32 [ 5, %entry ], [ 2, %true ] 16 call void @bar() 17 %c = add i32 %a, %b 18 ret i32 %c 19} 20 21declare void @bar() 22