1 ; RUN: opt < %s -inline -S | FileCheck %s 2 ; Checks if inliner updates branch_weights annotation for call instructions. 3 4 declare void @ext(); 5 declare void @ext1(); 6 @func = global void ()* null 7 8 ; CHECK: define void @callee(i32 %n) !prof ![[ENTRY_COUNT:[0-9]*]] 9 define void @callee(i32 %n) !prof !15 { 10 %cond = icmp sle i32 %n, 10 11 br i1 %cond, label %cond_true, label %cond_false 12 cond_true: 13 ; ext1 is optimized away, thus not updated. 14 ; CHECK: call void @ext1(), !prof ![[COUNT_CALLEE1:[0-9]*]] 15 call void @ext1(), !prof !16 16 ret void 17 cond_false: 18 ; ext is cloned and updated. 19 ; CHECK: call void @ext(), !prof ![[COUNT_CALLEE:[0-9]*]] 20 call void @ext(), !prof !16 21 %f = load void ()*, void ()** @func 22 ; CHECK: call void %f(), !prof ![[COUNT_IND_CALLEE:[0-9]*]] 23 call void %f(), !prof !18 24 ret void 25 } 26 27 ; CHECK: define void @caller() 28 define void @caller() { 29 ; CHECK: call void @ext(), !prof ![[COUNT_CALLER:[0-9]*]] 30 ; CHECK: call void %f.i(), !prof ![[COUNT_IND_CALLER:[0-9]*]] 31 call void @callee(i32 15), !prof !17 32 ret void 33 } 34 35 !llvm.module.flags = !{!1} 36 !1 = !{i32 1, !"ProfileSummary", !2} 37 !2 = !{!3, !4, !5, !6, !7, !8, !9, !10} 38 !3 = !{!"ProfileFormat", !"SampleProfile"} 39 !4 = !{!"TotalCount", i64 10000} 40 !5 = !{!"MaxCount", i64 10} 41 !6 = !{!"MaxInternalCount", i64 1} 42 !7 = !{!"MaxFunctionCount", i64 2000} 43 !8 = !{!"NumCounts", i64 2} 44 !9 = !{!"NumFunctions", i64 2} 45 !10 = !{!"DetailedSummary", !11} 46 !11 = !{!12, !13, !14} 47 !12 = !{i32 10000, i64 100, i32 1} 48 !13 = !{i32 999000, i64 100, i32 1} 49 !14 = !{i32 999999, i64 1, i32 2} 50 !15 = !{!"function_entry_count", i64 1000} 51 !16 = !{!"branch_weights", i64 2000} 52 !17 = !{!"branch_weights", i64 400} 53 !18 = !{!"VP", i32 0, i64 140, i64 111, i64 80, i64 222, i64 40, i64 333, i64 20} 54 attributes #0 = { alwaysinline } 55 ; CHECK: ![[ENTRY_COUNT]] = !{!"function_entry_count", i64 600} 56 ; CHECK: ![[COUNT_CALLEE1]] = !{!"branch_weights", i64 2000} 57 ; CHECK: ![[COUNT_CALLEE]] = !{!"branch_weights", i64 1200} 58 ; CHECK: ![[COUNT_IND_CALLEE]] = !{!"VP", i32 0, i64 84, i64 111, i64 48, i64 222, i64 24, i64 333, i64 12} 59 ; CHECK: ![[COUNT_CALLER]] = !{!"branch_weights", i64 800} 60 ; CHECK: ![[COUNT_IND_CALLER]] = !{!"VP", i32 0, i64 56, i64 111, i64 32, i64 222, i64 16, i64 333, i64 8} 61