1; RUN: opt < %s -simplifycfg -S | \
2; RUN:   not grep select
3
4;; The PHI node in this example should not be turned into a select, as we are
5;; not able to ifcvt the entire block.  As such, converting to a select just
6;; introduces inefficiency without saving copies.
7
8define i32 @bar(i1 %C) {
9entry:
10        br i1 %C, label %then, label %endif
11then:           ; preds = %entry
12        %tmp.3 = call i32 @qux( )               ; <i32> [#uses=0]
13        br label %endif
14endif:          ; preds = %then, %entry
15        %R = phi i32 [ 123, %entry ], [ 12312, %then ]          ; <i32> [#uses=1]
16        ;; stuff to disable tail duplication
17        call i32 @qux( )                ; <i32>:0 [#uses=0]
18        call i32 @qux( )                ; <i32>:1 [#uses=0]
19        call i32 @qux( )                ; <i32>:2 [#uses=0]
20        call i32 @qux( )                ; <i32>:3 [#uses=0]
21        call i32 @qux( )                ; <i32>:4 [#uses=0]
22        call i32 @qux( )                ; <i32>:5 [#uses=0]
23        call i32 @qux( )                ; <i32>:6 [#uses=0]
24        ret i32 %R
25}
26
27declare i32 @qux()
28