1 ; RUN: opt < %s -lcssa -S | \ 2 ; RUN: grep {%X.1.lcssa} 3 ; RUN: opt < %s -lcssa -S | \ 4 ; RUN: not grep {%X.1.lcssa1} 5 6 declare i1 @c1() 7 8 declare i1 @c2() 9 10 define i32 @foo() { 11 entry: 12 br label %loop_begin 13 loop_begin: ; preds = %loop_body.2, %entry 14 br i1 true, label %loop_body.1, label %loop_exit2 15 loop_body.1: ; preds = %loop_begin 16 %X.1 = add i32 0, 1 ; <i32> [#uses=1] 17 %rel.1 = call i1 @c1( ) ; <i1> [#uses=1] 18 br i1 %rel.1, label %loop_exit, label %loop_body.2 19 loop_body.2: ; preds = %loop_body.1 20 %rel.2 = call i1 @c2( ) ; <i1> [#uses=1] 21 br i1 %rel.2, label %loop_exit, label %loop_begin 22 loop_exit: ; preds = %loop_body.2, %loop_body.1 23 ret i32 %X.1 24 loop_exit2: ; preds = %loop_begin 25 ret i32 1 26 } 27 28
