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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

115 lines
3.5 KiB
LLVM

; REQUIRES: x86_64-linux
; RUN: rm -rf %t
; RUN: split-file %s %t
;
; Test that the GUID metadata survives through thinlink.
; Also test that the flattener works correctly. f2 is called in 2 places, with
; different counter values, and we expect resulting flat profile to be the sum
; (of values at the same index).
;
; RUN: llvm-ctxprof-util fromYAML --input=%t/profile.yaml --output=%t/profile.ctxprofdata
;
; RUN: opt -module-summary -passes='thinlto-pre-link<O2>' -use-ctx-profile=%t/profile.ctxprofdata -o %t/m1.bc %t/m1.ll
; RUN: opt -module-summary -passes='thinlto-pre-link<O2>' -use-ctx-profile=%t/profile.ctxprofdata -o %t/m2.bc %t/m2.ll
;
; RUN: rm -rf %t/postlink
; RUN: mkdir %t/postlink
;
;
; RUN: llvm-lto2 run %t/m1.bc %t/m2.bc -o %t/ -thinlto-distributed-indexes \
; RUN: -use-ctx-profile=%t/profile.ctxprofdata \
; RUN: -r %t/m1.bc,f1,plx \
; RUN: -r %t/m1.bc,f3,plx \
; RUN: -r %t/m2.bc,f1 \
; RUN: -r %t/m2.bc,f3 \
; RUN: -r %t/m2.bc,entrypoint,plx
; RUN: opt --passes='function-import,require<ctx-prof-analysis>,print<ctx-prof-analysis>' -ctx-profile-printer-level=everything \
; RUN: -summary-file=%t/m2.bc.thinlto.bc -use-ctx-profile=%t/profile.ctxprofdata %t/m2.bc \
; RUN: -S -o %t/m2.post.ll 2> %t/profile.txt
; RUN: diff %t/expected.txt %t/profile.txt
;--- m1.ll
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
source_filename = "random_path/m1.cc"
define private void @f2() #0 !guid !0 {
ret void
}
define void @f1() #0 {
call void @f2()
ret void
}
define void @f3() #0 {
call void @f2()
ret void
}
attributes #0 = { noinline }
!0 = !{ i64 3087265239403591524 }
;--- m2.ll
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
source_filename = "random_path/m2.cc"
declare void @f1()
declare void @f3()
define void @entrypoint() {
call void @f1()
call void @f3()
ret void
}
;--- profile.yaml
Contexts:
- Guid: 10507721908651011566
TotalRootEntryCount: 10
Counters: [1]
Callsites: -
- Guid: 2072045998141807037
Counters: [7]
Callsites: -
- Guid: 3087265239403591524
Counters: [10, 7]
-
- Guid: 4197650231481825559
Counters: [2]
Callsites: -
- Guid: 3087265239403591524
Counters: [1, 2]
;--- expected.txt
Function Info:
2072045998141807037 : f1. MaxCounterID: 1. MaxCallsiteID: 1
3087265239403591524 : f2.llvm.0. MaxCounterID: 1. MaxCallsiteID: 0
4197650231481825559 : f3. MaxCounterID: 1. MaxCallsiteID: 1
10507721908651011566 : entrypoint. MaxCounterID: 1. MaxCallsiteID: 2
Current Profile:
Contexts:
- Guid: 10507721908651011566
TotalRootEntryCount: 10
Counters: [ 1 ]
Callsites:
- - Guid: 2072045998141807037
Counters: [ 7 ]
Callsites:
- - Guid: 3087265239403591524
Counters: [ 10, 7 ]
- - Guid: 4197650231481825559
Counters: [ 2 ]
Callsites:
- - Guid: 3087265239403591524
Counters: [ 1, 2 ]
Flat Profile:
2072045998141807037 : 70
3087265239403591524 : 110 90
4197650231481825559 : 20
10507721908651011566 : 10