| Wei Mi | 66c6c5a | 2018-12-13 21:51:42 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -codegenprepare -S | FileCheck %s |
| 2 | ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -codegenprepare -profile-sample-accurate -S | FileCheck %s --check-prefix ACCURATE |
| 3 | |
| 4 | target triple = "x86_64-pc-linux-gnu" |
| 5 | |
| 6 | ; The test checks that function without profile gets unlikely section prefix |
| 7 | ; if -profile-sample-accurate is specified or the function has the |
| 8 | ; profile-sample-accurate attribute. |
| 9 | |
| 10 | declare void @hot_func() |
| 11 | |
| 12 | ; CHECK-NOT: foo_not_in_profile{{.*}}!section_prefix |
| 13 | ; CHECK: foo_not_in_profile{{.*}}!prof ![[UNKNOWN_ID:[0-9]+]] |
| 14 | ; ACCURATE: foo_not_in_profile{{.*}}!prof ![[ZERO_ID:[0-9]+]] !section_prefix ![[COLD_ID:[0-9]+]] |
| 15 | ; The function not appearing in profile is cold when -profile-sample-accurate |
| 16 | ; is on. |
| 17 | define void @foo_not_in_profile() { |
| 18 | call void @hot_func() |
| 19 | ret void |
| 20 | } |
| 21 | |
| 22 | ; CHECK: bar_not_in_profile{{.*}}!prof ![[ZERO_ID:[0-9]+]] !section_prefix ![[COLD_ID:[0-9]+]] |
| 23 | ; ACCURATE: bar_not_in_profile{{.*}}!prof ![[ZERO_ID:[0-9]+]] !section_prefix ![[COLD_ID:[0-9]+]] |
| 24 | ; The function not appearing in profile is cold when the func has |
| 25 | ; profile-sample-accurate attribute. |
| 26 | define void @bar_not_in_profile() #0 { |
| 27 | call void @hot_func() |
| 28 | ret void |
| 29 | } |
| 30 | |
| 31 | attributes #0 = { "profile-sample-accurate" } |
| 32 | |
| 33 | ; CHECK: ![[UNKNOWN_ID]] = !{!"function_entry_count", i64 -1} |
| 34 | ; CHECK: ![[ZERO_ID]] = !{!"function_entry_count", i64 0} |
| 35 | ; CHECK: ![[COLD_ID]] = !{!"function_section_prefix", !".unlikely"} |
| 36 | ; ACCURATE: ![[ZERO_ID]] = !{!"function_entry_count", i64 0} |
| 37 | ; ACCURATE: ![[COLD_ID]] = !{!"function_section_prefix", !".unlikely"} |
| 38 | !llvm.module.flags = !{!1} |
| 39 | !1 = !{i32 1, !"ProfileSummary", !2} |
| 40 | !2 = !{!3, !4, !5, !6, !7, !8, !9, !10} |
| 41 | !3 = !{!"ProfileFormat", !"SampleProfile"} |
| 42 | !4 = !{!"TotalCount", i64 10000} |
| 43 | !5 = !{!"MaxCount", i64 1000} |
| 44 | !6 = !{!"MaxInternalCount", i64 1} |
| 45 | !7 = !{!"MaxFunctionCount", i64 1000} |
| 46 | !8 = !{!"NumCounts", i64 3} |
| 47 | !9 = !{!"NumFunctions", i64 3} |
| 48 | !10 = !{!"DetailedSummary", !11} |
| 49 | !11 = !{!12, !13, !14} |
| 50 | !12 = !{i32 10000, i64 100, i32 1} |
| 51 | !13 = !{i32 999000, i64 100, i32 1} |
| 52 | !14 = !{i32 999999, i64 1, i32 2} |