llvm/llvm/test/Transforms/Inline/prof-update-instr.ll

; RUN: opt < %s -passes='require<profile-summary>,cgscc(inline)' -S | FileCheck %s
; Checks if inliner updates VP metadata for indrect call instructions
; with instrumentation based profile.

@func = global ptr null
@func2 = global ptr null

; CHECK: define void @callee(i32 %n) !prof ![[ENTRY_COUNT:[0-9]*]]
define void  @callee(i32 %n) !prof !15 {
  %cond = icmp sle i32 %n, 10
  br i1 %cond, label %cond_true, label %cond_false, !prof !20
cond_true:
; f2 is optimized away, thus not updated.
  %f2 = load ptr, ptr @func2
; CHECK: call void %f2(), !prof ![[COUNT_IND_CALLEE1:[0-9]*]]
  call void %f2(), !prof !19
  ret void
cond_false:
  %f = load ptr, ptr @func
; CHECK: call void %f(), !prof ![[COUNT_IND_CALLEE:[0-9]*]]
  call void %f(), !prof !18
  ret void
}

; CHECK: define void @caller()
define void @caller() !prof !21 {
; CHECK: call void %f.i(), !prof ![[COUNT_IND_CALLER:[0-9]*]]
  call void @callee(i32 15)
  ret void
}

!llvm.module.flags = !{!1}
!1 = !{i32 1, !"ProfileSummary", !2}
!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
!3 = !{!"ProfileFormat", !"InstrProf"}
!4 = !{!"TotalCount", i64 10000}
!5 = !{!"MaxCount", i64 10}
!6 = !{!"MaxInternalCount", i64 1}
!7 = !{!"MaxFunctionCount", i64 2000}
!8 = !{!"NumCounts", i64 2}
!9 = !{!"NumFunctions", i64 2}
!10 = !{!"DetailedSummary", !11}
!11 = !{!12, !13, !14}
!12 = !{i32 10000, i64 100, i32 1}
!13 = !{i32 999000, i64 100, i32 1}
!14 = !{i32 999999, i64 1, i32 2}
!15 = !{!"function_entry_count", i64 1000}
!16 = !{!"branch_weights", i64 2000}
!18 = !{!"VP", i32 0, i64 140, i64 111, i64 80, i64 222, i64 40, i64 333, i64 20}
!19 = !{!"VP", i32 0, i64 200, i64 111, i64 100, i64 222, i64 60, i64 333, i64 40}
!20 = !{!"branch_weights", i32 1000, i32 1000}
!21 = !{!"function_entry_count", i64 400}
attributes #0 = { alwaysinline }
; CHECK: ![[ENTRY_COUNT]] = !{!"function_entry_count", i64 600}
; CHECK: ![[COUNT_IND_CALLEE1]] = !{!"VP", i32 0, i64 200, i64 111, i64 100, i64 222, i64 60, i64 333, i64 40}
; CHECK: ![[COUNT_IND_CALLEE]] = !{!"VP", i32 0, i64 84, i64 111, i64 48, i64 222, i64 24, i64 333, i64 12}
; CHECK: ![[COUNT_IND_CALLER]] = !{!"VP", i32 0, i64 56, i64 111, i64 32, i64 222, i64 16, i64 333, i64 8}