2009-09-11 17:02:12 +00:00
|
|
|
; RUN: opt < %s -simplifycfg -S | grep select
|
|
|
|
|
; RUN: opt < %s -simplifycfg -S | grep br | count 2
|
2008-06-07 08:52:29 +00:00
|
|
|
|
|
|
|
|
define i32 @t2(i32 %a, i32 %b, i32 %c) nounwind {
|
|
|
|
|
entry:
|
|
|
|
|
%tmp1 = icmp eq i32 %b, 0
|
|
|
|
|
br i1 %tmp1, label %bb1, label %bb3
|
|
|
|
|
|
|
|
|
|
bb1: ; preds = %entry
|
|
|
|
|
%tmp2 = icmp sgt i32 %c, 1
|
|
|
|
|
br i1 %tmp2, label %bb2, label %bb3
|
|
|
|
|
|
|
|
|
|
bb2: ; preds = bb1
|
|
|
|
|
%tmp3 = add i32 %a, 1
|
|
|
|
|
br label %bb3
|
|
|
|
|
|
|
|
|
|
bb3: ; preds = %bb2, %entry
|
|
|
|
|
%tmp4 = phi i32 [ %b, %entry ], [ %a, %bb1 ], [ %tmp3, %bb2 ]
|
|
|
|
|
%tmp5 = sub i32 %tmp4, 1
|
|
|
|
|
ret i32 %tmp5
|
|
|
|
|
}
|
