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llvm-mirror/test/Bitcode/thinlto-function-summary-originalnames.ll
Hiroshi Yamauchi 9896d761e8 [ThinLTO] Compute the basic block count across modules.
Summary:
Count the per-module number of basic blocks when the module summary is computed
and sum them up during Thin LTO indexing.

This is used to estimate the working set size under the partial sample PGO.

This is split off of D79831.

Reviewers: davidxl, espindola

Subscribers: emaste, inglorion, hiraditya, MaskRay, steven_wu, dexonsmith, arphaman, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D80403
2020-05-28 10:33:05 -07:00

33 lines
1.2 KiB
LLVM

; Test to check the callgraph in summary
; RUN: opt -module-summary %s -o %t.o
; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t.o
; RUN: llvm-bcanalyzer -dump %t.index.bc | FileCheck %s --check-prefix=COMBINED
; COMBINED: <GLOBALVAL_SUMMARY_BLOCK
; COMBINED-NEXT: <VERSION
; COMBINED-NEXT: <FLAGS
; COMBINED-NEXT: <VALUE_GUID {{.*}} op1=4947176790635855146/>
; COMBINED-NEXT: <VALUE_GUID {{.*}} op1=-6591587165810580810/>
; COMBINED-NEXT: <VALUE_GUID {{.*}} op1=-4377693495213223786/>
; COMBINED-DAG: <COMBINED{{ }}
; COMBINED-DAG: <COMBINED_ORIGINAL_NAME op0=6699318081062747564/>
; COMBINED-DAG: <COMBINED_GLOBALVAR_INIT_REFS
; COMBINED-DAG: <COMBINED_ORIGINAL_NAME op0=-2012135647395072713/>
; COMBINED-DAG: <COMBINED_ALIAS
; COMBINED-DAG: <COMBINED_ORIGINAL_NAME op0=-4170563161550796836/>
; COMBINED-NEXT: <BLOCK_COUNT op0=1/>
; COMBINED-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
source_filename = "/path/to/source.c"
; ModuleID = 'thinlto-function-summary-callgraph.ll'
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@bar = internal global i32 0
@fooalias = internal alias void (...), bitcast (void ()* @foo to void (...)*)
define internal void @foo() {
ret void
}