mirror of
https://github.com/opnsense/src.git
synced 2026-05-28 04:12:45 -04:00
53 lines
1.9 KiB
LLVM
53 lines
1.9 KiB
LLVM
; Test to check that callee reached from cold and then hot path gets
|
|
; hot thresholds.
|
|
; RUN: opt -module-summary %s -o %t.bc
|
|
; RUN: opt -module-summary %p/Inputs/hotness_based_import2.ll -o %t2.bc
|
|
; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
|
|
|
|
; Teset with limit set to 10 and multipliers set to 1. Since cold call to
|
|
; hot is first in the other module, we'll first add calledFromHot to worklist
|
|
; with threshold decayed by default 0.7 factor. Test ensures that when we
|
|
; encounter it again from hot path, we re-enqueue with higher non-decayed
|
|
; threshold which will allow it to be imported.
|
|
; RUN: opt -function-import -summary-file %t3.thinlto.bc %t.bc -import-instr-limit=10 -import-hot-multiplier=1.0 -import-cold-multiplier=1.0 -S | FileCheck %s --check-prefix=CHECK
|
|
; CHECK-DAG: define available_externally void @hot()
|
|
; CHECK-DAG: define available_externally void @calledFromHot()
|
|
|
|
; ModuleID = 'thinlto-function-summary-callgraph.ll'
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; This function has a high profile count, so entry block is hot.
|
|
define void @hot_function(i1 %a, i1 %a2) !prof !28 {
|
|
entry:
|
|
call void @hot()
|
|
ret void
|
|
}
|
|
|
|
; This function has a low profile count, so entry block is hot.
|
|
define void @cold_function(i1 %a, i1 %a2) !prof !29 {
|
|
entry:
|
|
call void @hot()
|
|
ret void
|
|
}
|
|
|
|
declare void @hot() #1
|
|
|
|
!llvm.module.flags = !{!1}
|
|
|
|
!1 = !{i32 1, !"ProfileSummary", !2}
|
|
!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
|
|
!3 = !{!"ProfileFormat", !"InstrProf"}
|
|
!4 = !{!"TotalCount", i64 222}
|
|
!5 = !{!"MaxCount", i64 110}
|
|
!6 = !{!"MaxInternalCount", i64 1}
|
|
!7 = !{!"MaxFunctionCount", i64 110}
|
|
!8 = !{!"NumCounts", i64 4}
|
|
!9 = !{!"NumFunctions", i64 3}
|
|
!10 = !{!"DetailedSummary", !11}
|
|
!11 = !{!12, !13, !14}
|
|
!12 = !{i32 10000, i64 110, i32 2}
|
|
!13 = !{i32 999000, i64 2, i32 4}
|
|
!14 = !{i32 999999, i64 2, i32 4}
|
|
!28 = !{!"function_entry_count", i64 110}
|
|
!29 = !{!"function_entry_count", i64 1}
|