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 8define void @callee() "function-inline-cost"="10" { 9 call void @extern() 10 ret void 11} 12 13declare void @extern() 14declare i1 @ext(i32) 15 16; CHECK-LABEL: caller 17define i32 @caller(i32 %n) { 18entry: 19 %cmp4 = icmp sgt i32 %n, 0 20 br i1 %cmp4, label %for.body, label %for.cond.cleanup 21 22for.cond.cleanup: 23 ret i32 0 24 25for.body: 26 %i.05 = phi i32 [ %inc, %for.inc ], [ 0, %entry ] 27; CHECK: %call = tail call 28 %call = tail call zeroext i1 @ext(i32 %i.05) 29; CHECK-NOT: call void @callee 30; CHECK-NEXT: call void @extern 31 call void @callee() 32 br i1 %call, label %cold, label %for.inc, !prof !0 33 34cold: 35; CHECK: call void @callee 36 call void @callee() 37 br label %for.inc 38 39for.inc: 40 %inc = add nuw nsw i32 %i.05, 1 41 %exitcond = icmp eq i32 %inc, %n 42 br i1 %exitcond, label %for.cond.cleanup, label %for.body 43} 44 45 46!0 = !{!"branch_weights", i32 1, i32 2000} 47