; Promote at most one function and annotate at most one vtable. ; As a result, only one value (of each relevant kind) shows up in the function ; summary. ; RUN: opt -module-summary -icp-max-num-vtables=1 -icp-max-prom=1 %s -o %t.o ; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s ; RUN: llvm-dis -o - %t.o | FileCheck %s --check-prefix=DIS ; Round trip it through llvm-as ; RUN: llvm-dis -o - %t.o | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=DIS ; CHECK: ; The `VALUE_GUID` below represents the "_ZTV4Base" referenced by the instruction ; that loads vtable pointers. ; CHECK-NEXT: ; The `VALUE_GUID` below represents the "_ZN4Base4funcEv" referenced by the ; indirect call instruction. ; CHECK-NEXT: ; NOTE vtables and functions from Derived class is dropped because ; `-icp-max-num-vtables` and `-icp-max-prom` are both set to one. ; has the format [valueid, flags, instcount, funcflags, ; numrefs, rorefcnt, worefcnt, ; m x valueid, ; n x (valueid, hotness+tailcall)] ; CHECK-NEXT: ; CHECK-NEXT: target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; Function has one BB and an entry count of 150, so the BB is hot according to ; ProfileSummary and reflected so in the bitcode (see llvm-dis output). define i32 @_Z4testP4Base(ptr %0) !prof !15 { %2 = load ptr, ptr %0, !prof !16 %3 = load ptr, ptr %2 %4 = tail call i32 %3(ptr %0), !prof !17 ret i32 %4 } !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 200} !6 = !{!"MaxInternalCount", i64 200} !7 = !{!"MaxFunctionCount", i64 200} !8 = !{!"NumCounts", i64 3} !9 = !{!"NumFunctions", i64 3} !10 = !{!"DetailedSummary", !11} !11 = !{!12, !13, !14} !12 = !{i32 10000, i64 100, i32 1} !13 = !{i32 990000, i64 100, i32 1} !14 = !{i32 999999, i64 1, i32 2} !15 = !{!"function_entry_count", i32 150} ; 1960855528937986108 is the MD5 hash of _ZTV4Base, and ; 13870436605473471591 is the MD5 hash of _ZTV7Derived !16 = !{!"VP", i32 2, i64 150, i64 1960855528937986108, i64 100, i64 13870436605473471591, i64 50} ; 5459407273543877811 is the MD5 hash of _ZN4Base4funcEv, and ; 6174874150489409711 is the MD5 hash of _ZN7Derived4funcEv !17 = !{!"VP", i32 0, i64 150, i64 5459407273543877811, i64 100, i64 6174874150489409711, i64 50} ; ModuleSummaryIndex stores map in std::map; so ; global value summares are printed out in the order that gv's guid increases. ; DIS: ^0 = module: (path: "{{.*}}", hash: (0, 0, 0, 0, 0)) ; DIS: ^1 = gv: (guid: 1960855528937986108) ; DIS: ^2 = gv: (guid: 5459407273543877811) ; DIS: ^3 = gv: (name: "_Z4testP4Base", summaries: (function: (module: ^0, flags: (linkage: external, visibility: default, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0, importType: definition), insts: 4, funcFlags: (readNone: 0, readOnly: 0, noRecurse: 0, returnDoesNotAlias: 0, noInline: 0, alwaysInline: 0, noUnwind: 0, mayThrow: 0, hasUnknownCall: 1, mustBeUnreachable: 0), calls: ((callee: ^2, hotness: hot)), refs: (readonly ^1)))) ; guid = 15857150948103218965 ; DIS: ^4 = blockcount: 0