forked from OSchip/llvm-project
58 lines
1.7 KiB
LLVM
58 lines
1.7 KiB
LLVM
; RUN: opt < %s -codegenprepare -S | FileCheck %s
|
|
|
|
target triple = "x86_64-pc-linux-gnu"
|
|
|
|
; This tests that hot/cold functions get correct section prefix assigned
|
|
|
|
; CHECK: hot_func{{.*}}!section_prefix ![[HOT_ID:[0-9]+]]
|
|
; The entry is hot
|
|
define void @hot_func() !prof !15 {
|
|
ret void
|
|
}
|
|
|
|
; CHECK: hot_call_func{{.*}}!section_prefix ![[HOT_ID]]
|
|
; The sum of 2 callsites are hot
|
|
define void @hot_call_func() !prof !16 {
|
|
call void @hot_func(), !prof !17
|
|
call void @hot_func(), !prof !17
|
|
ret void
|
|
}
|
|
|
|
; CHECK-NOT: normal_func{{.*}}!section_prefix
|
|
; The sum of all callsites are neither hot or cold
|
|
define void @normal_func() !prof !16 {
|
|
call void @hot_func(), !prof !17
|
|
call void @hot_func(), !prof !18
|
|
call void @hot_func(), !prof !18
|
|
ret void
|
|
}
|
|
|
|
; CHECK: cold_func{{.*}}!section_prefix ![[COLD_ID:[0-9]+]]
|
|
; The entry and the callsite are both cold
|
|
define void @cold_func() !prof !16 {
|
|
call void @hot_func(), !prof !18
|
|
ret void
|
|
}
|
|
|
|
; CHECK: ![[HOT_ID]] = !{!"function_section_prefix", !".hot"}
|
|
; CHECK: ![[COLD_ID]] = !{!"function_section_prefix", !".unlikely"}
|
|
!llvm.module.flags = !{!1}
|
|
!1 = !{i32 1, !"ProfileSummary", !2}
|
|
!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
|
|
!3 = !{!"ProfileFormat", !"SampleProfile"}
|
|
!4 = !{!"TotalCount", i64 10000}
|
|
!5 = !{!"MaxCount", i64 1000}
|
|
!6 = !{!"MaxInternalCount", i64 1}
|
|
!7 = !{!"MaxFunctionCount", i64 1000}
|
|
!8 = !{!"NumCounts", i64 3}
|
|
!9 = !{!"NumFunctions", i64 3}
|
|
!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 = !{!"function_entry_count", i64 1}
|
|
!17 = !{!"branch_weights", i32 80}
|
|
!18 = !{!"branch_weights", i32 1}
|