xref: /llvm-project/llvm/test/ThinLTO/X86/dot-dumper.ll (revision dda73336ad22bd0b5ecda17040c50fb10fcbe5fb)
1; RUN: opt -module-summary %s -o %t1.bc -module-summary-dot-file=%t1.dot
2; RUN: opt -module-summary %p/Inputs/dot-dumper.ll -o %t2.bc -module-summary-dot-file=%t2.dot
3; RUN: llvm-lto2 run -save-temps %t1.bc %t2.bc -o %t3 \
4; RUN:  -r=%t1.bc,main,px \
5; RUN:  -r=%t1.bc,main_alias,p \
6; RUN:  -r=%t1.bc,foo, \
7; RUN:  -r=%t1.bc,A, \
8; RUN:  -r=%t2.bc,foo,p \
9; RUN:  -r=%t2.bc,bar,p \
10; RUN:  -r=%t2.bc,A,p \
11; RUN:  -r=%t2.bc,B,p
12
13; RUN: cat %t1.dot | FileCheck --check-prefix=PERMODULE %s
14; RUN: cat %t3.index.dot | FileCheck --check-prefix=COMBINED %s
15
16; PERMODULE: digraph Summary {
17; PERMODULE-NEXT:  // Module:
18; PERMODULE-NEXT:  subgraph cluster_0 {
19; PERMODULE-NEXT:    style = filled;
20; PERMODULE-NEXT:    color = lightgrey;
21; PERMODULE-NEXT:    label = "";
22; PERMODULE-NEXT:    node [style=filled,fillcolor=lightblue];
23; PERMODULE-NEXT:    M0_[[MAIN_ALIAS:[0-9]+]] [style="dotted,filled",shape="box",label="main_alias",fillcolor="red"]; // alias, definition, dead
24; PERMODULE-NEXT:    M0_[[MAIN:[0-9]+]] [shape="record",label="main|extern (inst: 4, ffl: 0000000000)}",fillcolor="red"]; // function, definition, dead
25; PERMODULE-NEXT:    // Edges:
26; PERMODULE-NEXT:    M0_[[MAIN_ALIAS]] -> M0_[[MAIN]] [style=dotted]; // alias
27; PERMODULE-NEXT:  }
28; PERMODULE-NEXT:  // Cross-module edges:
29; PERMODULE-NEXT:  [[A:[0-9]+]] [label="A"]; // defined externally
30; PERMODULE-NEXT:  M0_[[MAIN]] -> [[A]] [style=dashed,color=forestgreen]; // const-ref
31; PERMODULE-NEXT:  [[FOO:[0-9]+]] [label="foo"]; // defined externally
32; PERMODULE-NEXT:  M0_[[MAIN]] -> [[FOO]] // call (hotness : Unknown)
33; PERMODULE-NEXT: }
34
35; COMBINED:     digraph Summary {
36; COMBINED-NEXT:  // Module: {{.*}}dot-dumper{{.*}}1.bc
37; COMBINED-NEXT:  subgraph cluster_0 {
38; COMBINED-NEXT:    style = filled;
39; COMBINED-NEXT:    color = lightgrey;
40; COMBINED-NEXT:    label = "dot-dumper{{.*}}1.bc";
41; COMBINED-NEXT:    node [style=filled,fillcolor=lightblue];
42; COMBINED-NEXT:    M0_[[MAIN_ALIAS:[0-9]+]] [style="dotted,filled",shape="box",label="main_alias",fillcolor="red"]; // alias, definition, dead
43; COMBINED-NEXT:    M0_[[MAIN:[0-9]+]] [shape="record",label="main|extern (inst: 4, ffl: 0000000000)}"]; // function, definition, preserved
44; COMBINED-NEXT:    // Edges:
45; COMBINED-NEXT:    M0_[[MAIN_ALIAS]] -> M0_[[MAIN]] [style=dotted]; // alias
46; COMBINED-NEXT:  }
47; COMBINED-NEXT:  // Module: {{.*}}dot-dumper{{.*}}2.bc
48; COMBINED-NEXT:  subgraph cluster_1 {
49; COMBINED-NEXT:    style = filled;
50; COMBINED-NEXT:    color = lightgrey;
51; COMBINED-NEXT:    label = "dot-dumper{{.*}}2.bc";
52; COMBINED-NEXT:    node [style=filled,fillcolor=lightblue];
53; COMBINED-NEXT:    M1_[[FOO:[0-9]+]] [shape="record",label="foo|extern (inst: 4, ffl: 0000100000)}"]; // function, definition
54; COMBINED-NEXT:    M1_[[A:[0-9]+]] [shape="Mrecord",label="A|extern}"]; // variable, immutable
55; COMBINED-NEXT:    M1_[[B:[0-9]+]] [shape="Mrecord",label="B|extern}"]; // variable, immutable, constant
56; COMBINED-NEXT:    M1_{{[0-9]+}} [shape="record",label="bar|extern (inst: 1, ffl: 0000000000)}",fillcolor="red"]; // function, definition, dead
57; COMBINED-NEXT:    // Edges:
58; COMBINED-NEXT:    M1_[[FOO]] -> M1_[[B]] [style=dashed,color=forestgreen]; // const-ref
59; COMBINED-NEXT:    M1_[[FOO]] -> M1_[[A]] [style=dashed,color=forestgreen]; // const-ref
60; COMBINED-NEXT:  }
61; COMBINED-NEXT:  // Cross-module edges:
62; COMBINED-NEXT:  M0_[[MAIN]] -> M1_[[A]] [style=dashed,color=forestgreen]; // const-ref
63; COMBINED-NEXT:  M0_[[MAIN]] -> M1_[[FOO]] // call (hotness : Unknown)
64; COMBINED-NEXT: }
65
66target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
67target triple = "x86_64-unknown-linux-gnu"
68
69@A = external local_unnamed_addr global i32, align 4
70
71; Function Attrs: nounwind uwtable
72define i32 @main() local_unnamed_addr {
73  %1 = tail call i32 (...) @foo()
74  %2 = load i32, ptr @A, align 4
75  %3 = add nsw i32 %2, %1
76  ret i32 %3
77}
78@main_alias = weak_odr alias i32 (), ptr @main
79declare i32 @foo(...) local_unnamed_addr
80