1 ; RUN: opt < %s -inline -inlinecold-threshold=0 -S | FileCheck %s 2 3 ; This tests that a cold callee gets the (lower) inlinecold-threshold even without 4 ; Cold hint and does not get inlined because the cost exceeds the inlinecold-threshold. 5 ; A callee with identical body does gets inlined because cost fits within the 6 ; inline-threshold 7 8 define i32 @callee1(i32 %x) !prof !21 { 9 %x1 = add i32 %x, 1 10 %x2 = add i32 %x1, 1 11 %x3 = add i32 %x2, 1 12 13 ret i32 %x3 14 } 15 16 define i32 @callee2(i32 %x) !prof !22 { 17 ; CHECK-LABEL: @callee2( 18 %x1 = add i32 %x, 1 19 %x2 = add i32 %x1, 1 20 %x3 = add i32 %x2, 1 21 22 ret i32 %x3 23 } 24 25 define i32 @caller2(i32 %y1) !prof !22 { 26 ; CHECK-LABEL: @caller2( 27 ; CHECK: call i32 @callee2 28 ; CHECK-NOT: call i32 @callee1 29 ; CHECK: ret i32 %x3.i 30 %y2 = call i32 @callee2(i32 %y1) 31 %y3 = call i32 @callee1(i32 %y2) 32 ret i32 %y3 33 } 34 35 !llvm.module.flags = !{!1} 36 !21 = !{!"function_entry_count", i64 100} 37 !22 = !{!"function_entry_count", i64 1} 38 39 !1 = !{i32 1, !"ProfileSummary", !2} 40 !2 = !{!3, !4, !5, !6, !7, !8, !9, !10} 41 !3 = !{!"ProfileFormat", !"InstrProf"} 42 !4 = !{!"TotalCount", i64 10000} 43 !5 = !{!"MaxCount", i64 1000} 44 !6 = !{!"MaxInternalCount", i64 1} 45 !7 = !{!"MaxFunctionCount", i64 1000} 46 !8 = !{!"NumCounts", i64 3} 47 !9 = !{!"NumFunctions", i64 3} 48 !10 = !{!"DetailedSummary", !11} 49 !11 = !{!12, !13, !14} 50 !12 = !{i32 10000, i64 100, i32 1} 51 !13 = !{i32 999000, i64 100, i32 1} 52 !14 = !{i32 999999, i64 1, i32 2} 53