1 ; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
3 ; Use a select to make this a single BB.
4 ; Also, make sure the profile metadata is propagated to the select (PR26636).
6 define i32 @FoldTwoEntryPHINode(i1 %C, i32 %V1, i32 %V2, i16 %V3) {
8 br i1 %C, label %then, label %else, !prof !0, !unpredictable !1
13 %V5 = sext i16 %V3 to i32
16 %V6 = phi i32 [ %V5, %else ], [ %V4, %then ]
17 call i32 @FoldTwoEntryPHINode( i1 false, i32 0, i32 0, i16 0 )
20 ; CHECK-LABEL: @FoldTwoEntryPHINode(
22 ; CHECK-NEXT: %V5 = sext i16 %V3 to i32
23 ; CHECK-NEXT: %V4 = or i32 %V2, %V1
24 ; CHECK-NEXT: %V6 = select i1 %C, i32 %V4, i32 %V5, !prof !0, !unpredictable !1
25 ; CHECK-NEXT: %0 = call i32 @FoldTwoEntryPHINode(i1 false, i32 0, i32 0, i16 0)
26 ; CHECK-NEXT: ret i32 %V1
29 !0 = !{!"branch_weights", i32 3, i32 5}
32 ; CHECK: !0 = !{!"branch_weights", i32 3, i32 5}