1 ; RUN: opt < %s -S -passes=loop-unroll -pass-remarks=loop-unroll -pass-remarks-with-hotness -unroll-count=16 2>&1 | FileCheck -check-prefix=COMPLETE-UNROLL %s
2 ; RUN: opt < %s -S -passes=loop-unroll -pass-remarks=loop-unroll -pass-remarks-with-hotness -unroll-count=4 2>&1 | FileCheck -check-prefix=PARTIAL-UNROLL %s
4 ; COMPLETE-UNROLL: remark: {{.*}}: completely unrolled loop with 16 iterations (hotness: 300)
5 ; PARTIAL-UNROLL: remark: {{.*}}: unrolled loop by a factor of 4 (hotness: 300)
7 define i32 @sum() !prof !0 {
11 for.body: ; preds = %for.body, %entry
12 %s.06 = phi i32 [ 0, %entry ], [ %add1, %for.body ]
13 %i.05 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
14 %add = add nsw i32 %i.05, 4
15 %call = tail call i32 @baz(i32 %add) #2
16 %add1 = add nsw i32 %call, %s.06
17 %inc = add nsw i32 %i.05, 1
18 %exitcond = icmp eq i32 %inc, 16
19 br i1 %exitcond, label %for.end, label %for.body, !prof !1
21 for.end: ; preds = %for.body
27 !0 = !{!"function_entry_count", i64 3}
28 !1 = !{!"branch_weights", i32 1, i32 99}