| ; REQUIRES: x86-registered-target |
| ; RUN: opt -S %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof | opt -S -codegenprepare | FileCheck %s |
| ; RUN: opt -S %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof | opt -S -codegenprepare -profile-unknown-in-special-section -partial-profile | FileCheck %s --check-prefix=UNKNOWN |
| ; RUN: opt -S %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof -profile-sample-accurate -S | opt -S -codegenprepare | FileCheck %s --check-prefix=ACCURATE |
| |
| target triple = "x86_64-pc-linux-gnu" |
| |
| ; The test checks that function without profile gets unlikely section prefix |
| ; if -profile-sample-accurate is specified or the function has the |
| ; profile-sample-accurate attribute. |
| |
| declare void @hot_func() |
| |
| ; CHECK-NOT: foo_not_in_profile{{.*}}!section_prefix |
| ; CHECK: foo_not_in_profile{{.*}}!prof ![[NOPROFILE_ID:[0-9]+]] |
| ; UNKNOWN: foo_not_in_profile{{.*}}!prof ![[NOPROFILE_ID:[0-9]+]] !section_prefix ![[UNKNOWN_ID:[0-9]+]] |
| ; ACCURATE: foo_not_in_profile{{.*}}!prof ![[ZERO_ID:[0-9]+]] !section_prefix ![[COLD_ID:[0-9]+]] |
| ; The function not appearing in profile is cold when -profile-sample-accurate |
| ; is on. |
| define void @foo_not_in_profile() #1 { |
| call void @hot_func() |
| ret void |
| } |
| |
| ; CHECK: bar_not_in_profile{{.*}}!prof ![[ZERO_ID:[0-9]+]] !section_prefix ![[COLD_ID:[0-9]+]] |
| ; ACCURATE: bar_not_in_profile{{.*}}!prof ![[ZERO_ID:[0-9]+]] !section_prefix ![[COLD_ID:[0-9]+]] |
| ; The function not appearing in profile is cold when the func has |
| ; profile-sample-accurate attribute. |
| define void @bar_not_in_profile() #0 { |
| call void @hot_func() |
| ret void |
| } |
| |
| attributes #0 = { "profile-sample-accurate" "use-sample-profile" } |
| attributes #1 = { "use-sample-profile" } |
| |
| ; CHECK: ![[NOPROFILE_ID]] = !{!"function_entry_count", i64 -1} |
| ; CHECK: ![[ZERO_ID]] = !{!"function_entry_count", i64 0} |
| ; CHECK: ![[COLD_ID]] = !{!"function_section_prefix", !"unlikely"} |
| ; UNKNOWN: ![[NOPROFILE_ID]] = !{!"function_entry_count", i64 -1} |
| ; UNKNOWN: ![[UNKNOWN_ID]] = !{!"function_section_prefix", !"unknown"} |
| ; ACCURATE: ![[ZERO_ID]] = !{!"function_entry_count", i64 0} |
| ; ACCURATE: ![[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} |