xref: /llvm-project/llvm/test/Analysis/CtxProfAnalysis/full-cycle.ll (revision b15845c0059b06f406e33f278127d7eb41ff5ab6) 
1; REQUIRES: x86_64-linux
2;
3; RUN: rm -rf %t
4; RUN: split-file %s %t
5;
6; Test that the GUID metadata survives through thinlink.
7; Also test that the flattener works correctly. f2 is called in 2 places, with
8; different counter values, and we expect resulting flat profile to be the sum
9; (of values at the same index).
10;
11; RUN: llvm-ctxprof-util fromYAML --input=%t/profile.yaml --output=%t/profile.ctxprofdata
12;
13; RUN: opt -module-summary -passes='thinlto-pre-link<O2>' -use-ctx-profile=%t/profile.ctxprofdata -o %t/m1.bc %t/m1.ll
14; RUN: opt -module-summary -passes='thinlto-pre-link<O2>' -use-ctx-profile=%t/profile.ctxprofdata -o %t/m2.bc %t/m2.ll
15;
16; RUN: rm -rf %t/postlink
17; RUN: mkdir %t/postlink
18;
19;
20; RUN: llvm-lto2 run %t/m1.bc %t/m2.bc -o %t/ -thinlto-distributed-indexes \
21; RUN:  -use-ctx-profile=%t/profile.ctxprofdata \
22; RUN:  -r %t/m1.bc,f1,plx \
23; RUN:  -r %t/m1.bc,f3,plx \
24; RUN:  -r %t/m2.bc,f1 \
25; RUN:  -r %t/m2.bc,f3 \
26; RUN:  -r %t/m2.bc,entrypoint,plx
27; RUN: opt --passes='function-import,require<ctx-prof-analysis>,print<ctx-prof-analysis>' -ctx-profile-printer-level=everything \
28; RUN:  -summary-file=%t/m2.bc.thinlto.bc -use-ctx-profile=%t/profile.ctxprofdata %t/m2.bc \
29; RUN:  -S -o %t/m2.post.ll 2> %t/profile.txt
30; RUN: diff %t/expected.txt %t/profile.txt
31;--- m1.ll
32target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
33target triple = "x86_64-pc-linux-gnu"
34
35source_filename = "random_path/m1.cc"
36
37define private void @f2() #0 !guid !0 {
38  ret void
39}
40
41define void @f1() #0 {
42  call void @f2()
43  ret void
44}
45
46define void @f3() #0 {
47  call void @f2()
48  ret void
49}
50
51attributes #0 = { noinline }
52!0 = !{ i64 3087265239403591524 }
53
54;--- m2.ll
55target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
56target triple = "x86_64-pc-linux-gnu"
57
58source_filename = "random_path/m2.cc"
59
60declare void @f1()
61declare void @f3()
62
63define void @entrypoint() {
64  call void @f1()
65  call void @f3()
66  ret void
67}
68;--- profile.yaml
69- Guid: 10507721908651011566
70  Counters: [1]
71  Callsites:  -
72                - Guid:  2072045998141807037
73                  Counters: [7]
74                  Callsites:  -
75                                - Guid: 3087265239403591524
76                                  Counters: [10, 7]
77              -
78                - Guid: 4197650231481825559
79                  Counters: [2]
80                  Callsites:  -
81                                - Guid: 3087265239403591524
82                                  Counters: [1, 2]
83;--- expected.txt
84Function Info:
852072045998141807037 : f1. MaxCounterID: 1. MaxCallsiteID: 1
863087265239403591524 : f2.llvm.0. MaxCounterID: 1. MaxCallsiteID: 0
874197650231481825559 : f3. MaxCounterID: 1. MaxCallsiteID: 1
8810507721908651011566 : entrypoint. MaxCounterID: 1. MaxCallsiteID: 2
89
90Current Profile:
91
92- Guid:            10507721908651011566
93  Counters:        [ 1 ]
94  Callsites:
95    - - Guid:            2072045998141807037
96        Counters:        [ 7 ]
97        Callsites:
98          - - Guid:            3087265239403591524
99              Counters:        [ 10, 7 ]
100    - - Guid:            4197650231481825559
101        Counters:        [ 2 ]
102        Callsites:
103          - - Guid:            3087265239403591524
104              Counters:        [ 1, 2 ]
105
106Flat Profile:
1072072045998141807037 : 7
1083087265239403591524 : 11 9
1094197650231481825559 : 2
11010507721908651011566 : 1
111