1 2 ; RUN: opt < %s -passes='require<profile-summary>,cgscc(inline)' -inline-threshold=100 -inline-cold-callsite-threshold=0 -S | FileCheck %s 3 4 ; This tests that a cold callsite gets the inline-cold-callsite-threshold 5 ; and does not get inlined. Another callsite to an identical callee that 6 ; is not cold gets inlined because cost is below the inline-threshold. 7 8 define void @callee() { 9 call void @extern() 10 call void @extern() 11 ret void 12 } 13 14 declare void @extern() 15 declare i1 @ext(i32) 16 17 ; CHECK-LABEL: caller 18 define i32 @caller(i32 %n) { 19 entry: 20 %cmp4 = icmp sgt i32 %n, 0 21 br i1 %cmp4, label %for.body, label %for.cond.cleanup 22 23 for.cond.cleanup: 24 ret i32 0 25 26 for.body: 27 %i.05 = phi i32 [ %inc, %for.inc ], [ 0, %entry ] 28 ; CHECK: %call = tail call 29 %call = tail call zeroext i1 @ext(i32 %i.05) 30 ; CHECK-NOT: call void @callee 31 ; CHECK-NEXT: call void @extern 32 call void @callee() 33 br i1 %call, label %cold, label %for.inc, !prof !0 34 35 cold: 36 ; CHECK: call void @callee 37 call void @callee() 38 br label %for.inc 39 40 for.inc: 41 %inc = add nuw nsw i32 %i.05, 1 42 %exitcond = icmp eq i32 %inc, %n 43 br i1 %exitcond, label %for.cond.cleanup, label %for.body 44 } 45 46 47 !0 = !{!"branch_weights", i32 1, i32 2000} 48
