| ; RUN: opt -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -disable-output < %s | |
| @foo = external constant i32 | |
| define i32 @f() { | |
| entry: | |
| %and = and i64 ptrtoint (ptr @foo to i64), 15 | |
| %cmp = icmp eq i64 %and, 0 | |
| br i1 %cmp, label %if.end, label %if.then | |
| if.then: ; preds = %entry | |
| br label %return | |
| if.end: ; preds = %entry | |
| br label %return | |
| return: ; preds = %if.end, %if.then | |
| %storemerge = phi i32 [ 1, %if.end ], [ 0, %if.then ] | |
| ret i32 %storemerge | |
| } |