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44 lines
1.5 KiB
LLVM
44 lines
1.5 KiB
LLVM
; Test writeOnly attribute
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; RUN: opt -module-summary %s -o %t1.bc
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; RUN: opt -module-summary %p/Inputs/dot-dumper2.ll -o %t2.bc
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; RUN: llvm-lto2 run -save-temps %t1.bc %t2.bc -o %t3 \
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; RUN: -r=%t1.bc,main,px \
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; RUN: -r=%t1.bc,A, \
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; RUN: -r=%t2.bc,A,p
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; RUN: cat %t3.index.dot | FileCheck --check-prefix=COMBINED %s
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; COMBINED: digraph Summary {
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; COMBINED-NEXT: // Module:
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; COMBINED-NEXT: subgraph cluster_0 {
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; COMBINED-NEXT: style = filled;
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; COMBINED-NEXT: color = lightgrey;
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; COMBINED-NEXT: label =
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; COMBINED-NEXT: node [style=filled,fillcolor=lightblue];
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; COMBINED-NEXT: M0_[[MAIN:[0-9]+]] [shape="record",label="main|extern (inst: 2, ffl: 00000)}"]; // function
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; COMBINED-NEXT: // Edges:
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; COMBINED-NEXT: }
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; COMBINED-NEXT: // Module:
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; COMBINED-NEXT: subgraph cluster_1 {
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; COMBINED-NEXT: style = filled;
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; COMBINED-NEXT: color = lightgrey;
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; COMBINED-NEXT: label =
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; COMBINED-NEXT: node [style=filled,fillcolor=lightblue];
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; COMBINED-NEXT: M1_[[A:[0-9]+]] [shape="Mrecord",label="A|extern}"]; // variable, writeOnly
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; COMBINED-NEXT: // Edges:
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; COMBINED-NEXT: }
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; COMBINED-NEXT: // Cross-module edges:
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; COMBINED-NEXT: M0_[[MAIN]] -> M1_[[A]] [style=dashed,color=violetred]; // writeOnly-ref
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; COMBINED-NEXT: }
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@A = external local_unnamed_addr global i32, align 4
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; Function Attrs: nounwind uwtable
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define i32 @main() local_unnamed_addr {
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store i32 42, i32* @A, align 4
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ret i32 0
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}
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