1 ; Promote at most one function and annotate at most one vtable.
2 ; As a result, only one value (of each relevant kind) shows up in the function
5 ; RUN: opt -module-summary -icp-max-num-vtables=1 -icp-max-prom=1 %s -o %t.o
7 ; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
9 ; RUN: llvm-dis -o - %t.o | FileCheck %s --check-prefix=DIS
10 ; Round trip it through llvm-as
11 ; RUN: llvm-dis -o - %t.o | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=DIS
13 ; CHECK: <GLOBALVAL_SUMMARY_BLOCK
14 ; CHECK-NEXT: <VERSION op0=
15 ; CHECK-NEXT: <FLAGS op0=0/>
16 ; The `VALUE_GUID` below represents the "_ZTV4Base" referenced by the instruction
17 ; that loads vtable pointers.
18 ; CHECK-NEXT: <VALUE_GUID op0=21 op1=1960855528937986108/>
19 ; The `VALUE_GUID` below represents the "_ZN4Base4funcEv" referenced by the
20 ; indirect call instruction.
21 ; CHECK-NEXT: <VALUE_GUID op0=20 op1=5459407273543877811/>
22 ; NOTE vtables and functions from Derived class is dropped because
23 ; `-icp-max-num-vtables` and `-icp-max-prom` are both set to one.
24 ; <PERMODULE_PROFILE> has the format [valueid, flags, instcount, funcflags,
25 ; numrefs, rorefcnt, worefcnt,
27 ; n x (valueid, hotness+tailcall)]
28 ; CHECK-NEXT: <PERMODULE_PROFILE abbrevid=4 op0=0 op1=0 op2=4 op3=256 op4=1 op5=1 op6=0 op7=21 op8=20 op9=3/>
29 ; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
31 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
32 target triple = "x86_64-unknown-linux-gnu"
34 ; Function has one BB and an entry count of 150, so the BB is hot according to
35 ; ProfileSummary and reflected so in the bitcode (see llvm-dis output).
36 define i32 @_Z4testP4Base(ptr %0) !prof !15 {
37 %2 = load ptr, ptr %0, !prof !16
39 %4 = tail call i32 %3(ptr %0), !prof !17
43 !llvm.module.flags = !{!1}
45 !1 = !{i32 1, !"ProfileSummary", !2}
46 !2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
47 !3 = !{!"ProfileFormat", !"InstrProf"}
48 !4 = !{!"TotalCount", i64 10000}
49 !5 = !{!"MaxCount", i64 200}
50 !6 = !{!"MaxInternalCount", i64 200}
51 !7 = !{!"MaxFunctionCount", i64 200}
52 !8 = !{!"NumCounts", i64 3}
53 !9 = !{!"NumFunctions", i64 3}
54 !10 = !{!"DetailedSummary", !11}
55 !11 = !{!12, !13, !14}
56 !12 = !{i32 10000, i64 100, i32 1}
57 !13 = !{i32 990000, i64 100, i32 1}
58 !14 = !{i32 999999, i64 1, i32 2}
60 !15 = !{!"function_entry_count", i32 150}
61 ; 1960855528937986108 is the MD5 hash of _ZTV4Base, and
62 ; 13870436605473471591 is the MD5 hash of _ZTV7Derived
63 !16 = !{!"VP", i32 2, i64 150, i64 1960855528937986108, i64 100, i64 13870436605473471591, i64 50}
64 ; 5459407273543877811 is the MD5 hash of _ZN4Base4funcEv, and
65 ; 6174874150489409711 is the MD5 hash of _ZN7Derived4funcEv
66 !17 = !{!"VP", i32 0, i64 150, i64 5459407273543877811, i64 100, i64 6174874150489409711, i64 50}
68 ; ModuleSummaryIndex stores <guid, global-value summary> map in std::map; so
69 ; global value summares are printed out in the order that gv's guid increases.
70 ; DIS: ^0 = module: (path: "{{.*}}", hash: (0, 0, 0, 0, 0))
71 ; DIS: ^1 = gv: (guid: 1960855528937986108)
72 ; DIS: ^2 = gv: (guid: 5459407273543877811)
73 ; 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
74 ; DIS: ^4 = blockcount: 0