llvm/test/ThinLTO/X86/dot-dumper.ll

   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
  66 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
  67 target triple = "x86_64-unknown-linux-gnu"
  68
  69 @A = external local_unnamed_addr global i32, align 4
  70
  71 ; Function Attrs: nounwind uwtable
  72 define 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
  79 declare i32 @foo(...) local_unnamed_addr