1 ; Test writeOnly attribute
2 ; RUN: opt -module-summary %s -o %t1.bc
3 ; RUN: opt -module-summary %p/Inputs/dot-dumper2.ll -o %t2.bc
4 ; RUN: llvm-lto2 run -save-temps %t1.bc %t2.bc -o %t3 \
5 ; RUN: -r=%t1.bc,main,px \
9 ; RUN: cat %t3.index.dot | FileCheck --check-prefix=COMBINED %s
11 ; COMBINED: digraph Summary {
12 ; COMBINED-NEXT: // Module:
13 ; COMBINED-NEXT: subgraph cluster_0 {
14 ; COMBINED-NEXT: style = filled;
15 ; COMBINED-NEXT: color = lightgrey;
16 ; COMBINED-NEXT: label =
17 ; COMBINED-NEXT: node [style=filled,fillcolor=lightblue];
18 ; COMBINED-NEXT: M0_[[MAIN:[0-9]+]] [shape="record",label="main|extern (inst: 2, ffl: 00000)}"]; // function
19 ; COMBINED-NEXT: // Edges:
21 ; COMBINED-NEXT: // Module:
22 ; COMBINED-NEXT: subgraph cluster_1 {
23 ; COMBINED-NEXT: style = filled;
24 ; COMBINED-NEXT: color = lightgrey;
25 ; COMBINED-NEXT: label =
26 ; COMBINED-NEXT: node [style=filled,fillcolor=lightblue];
27 ; COMBINED-NEXT: M1_[[A:[0-9]+]] [shape="Mrecord",label="A|extern}"]; // variable, writeOnly
28 ; COMBINED-NEXT: // Edges:
30 ; COMBINED-NEXT: // Cross-module edges:
31 ; COMBINED-NEXT: M0_[[MAIN]] -> M1_[[A]] [style=dashed,color=violetred]; // writeOnly-ref
34 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
35 target triple = "x86_64-unknown-linux-gnu"
37 @A = external local_unnamed_addr global i32, align 4
39 ; Function Attrs: nounwind uwtable
40 define i32 @main() local_unnamed_addr {
41 store i32 42, i32* @A, align 4