Home | History | Annotate | Download | only in Inline
      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