https://github.com/minglotus-6 updated
https://github.com/llvm/llvm-project/pull/79363
>From 050c3889c3327ecec4add706fc7d593caa32bdb6 Mon Sep 17 00:00:00 2001
From: mingmingl <mingmi...@google.com>
Date: Wed, 24 Jan 2024 13:46:47 -0800
Subject: [PATCH] polish test with profile-summary information
Created using spr 1.3.4
---
.../thinlto-func-summary-vtableref-pgo.ll | 38 ++++++++++++++-----
1 file changed, 29 insertions(+), 9 deletions(-)
diff --git a/llvm/test/Bitcode/thinlto-func-summary-vtableref-pgo.ll
b/llvm/test/Bitcode/thinlto-func-summary-vtableref-pgo.ll
index 375e3c290cc986d..78b175caca85f01 100644
--- a/llvm/test/Bitcode/thinlto-func-summary-vtableref-pgo.ll
+++ b/llvm/test/Bitcode/thinlto-func-summary-vtableref-pgo.ll
@@ -10,32 +10,52 @@
; CHECK-NEXT: <FLAGS op0=0/>
; The `VALUE_GUID` below represents the "_ZN4Base4funcEv" referenced by the
; indirect call instruction.
-; CHECK-NEXT: <VALUE_GUID op0=8 op1=5459407273543877811/>
+; CHECK-NEXT: <VALUE_GUID op0=17 op1=5459407273543877811/>
; <PERMODULE_PROFILE> has the format [valueid, flags, instcount, funcflags,
; numrefs, rorefcnt, worefcnt,
; n x (valueid, hotness+tailcall)]
-; CHECK-NEXT: <PERMODULE_PROFILE abbrevid=4 op0=0 op1=0 op2=4 op3=256 op4=0
op5=0 op6=0 op7=8 op8=2/>
+; CHECK-NEXT: <PERMODULE_PROFILE abbrevid=4 op0=0 op1=0 op2=4 op3=256 op4=0
op5=0 op6=0 op7=17 op8=3/>
; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
-define i32 @_Z4testP4Base(ptr %0) !prof !0 {
- %2 = load ptr, ptr %0, !prof !1
+; 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 !2
+ %4 = tail call i32 %3(ptr %0), !prof !17
ret i32 %4
}
-!0 = !{!"function_entry_count", i32 150}
+!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
-!1 = !{!"VP", i32 2, i64 1600, i64 1960855528937986108, i64 1600}
+!16 = !{!"VP", i32 2, i64 1600, i64 1960855528937986108, i64 1600}
; 5459407273543877811 is the MD5 hash of _ZN4Base4funcEv
-!2 = !{!"VP", i32 0, i64 1600, i64 5459407273543877811, i64 1600}
+!17 = !{!"VP", i32 0, i64 1600, i64 5459407273543877811, i64 1600}
; ModuleSummaryIndex stores <guid, global-value summary> 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: 5459407273543877811)
-; DIS: ^2 = gv: (name: "_Z4testP4Base", summaries: (function: (module: ^0,
flags: (linkage: external, visibility: default, notEligibleToImport: 0, live:
0, dsoLocal: 0, canAutoHide: 0), 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: ^1,
hotness: none))))) ; guid = 15857150948103218965
+; DIS: ^2 = gv: (name: "_Z4testP4Base", summaries: (function: (module: ^0,
flags: (linkage: external, visibility: default, notEligibleToImport: 0, live:
0, dsoLocal: 0, canAutoHide: 0), 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: ^1,
hotness: hot))))) ; guid = 15857150948103218965
; DIS: ^3 = blockcount: 0
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