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120
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1 ; Do setup work for all below tests: generate bitcode and combined index
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2 ; RUN: opt -module-summary %s -o %t.bc
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3 ; RUN: opt -module-summary %p/Inputs/funcimport_comdat.ll -o %t2.bc
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4 ; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
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5
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6 ; Ensure linking of comdat containing external linkage global and function
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7 ; removes the imported available_externally defs from comdat.
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8 ; RUN: llvm-link %t2.bc -summary-index=%t3.thinlto.bc -import=comdat1_func1:%t.bc -S | FileCheck %s --check-prefix=IMPORTCOMDAT
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9 ; IMPORTCOMDAT-NOT: $comdat1 = comdat any
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10 ; IMPORTCOMDAT-NOT: comdat($comdat1)
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11
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12 ; Ensure linking of comdat containing internal linkage function with alias
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13 ; removes the imported and promoted available_externally defs from comdat.
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14 ; RUN: llvm-link %t2.bc -summary-index=%t3.thinlto.bc -import=comdat2_func1:%t.bc -S | FileCheck %s --check-prefix=IMPORTCOMDAT2
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15 ; IMPORTCOMDAT2-NOT: $comdat2 = comdat any
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16 ; IMPORTCOMDAT2-NOT: comdat($comdat2)
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17
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18 $comdat1 = comdat any
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19 @comdat1_glob = global i32 0, comdat($comdat1)
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20 define void @comdat1_func1() comdat($comdat1) {
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21 ret void
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22 }
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23
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24 $comdat2 = comdat any
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25 @comdat2_alias = alias void (), void ()* @comdat2_func1
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26 define internal void @comdat2_func1() comdat($comdat2) {
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27 ret void
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28 }
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