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fc270dff80
Summary: Available externally definitions are considered declarations for the linker and eventually dropped. As such they are not allowed to be in comdats. Remove any such imported functions from comdats. Reviewers: rafael Subscribers: davidxl, llvm-commits, joker.eph Differential Revision: http://reviews.llvm.org/D16120 llvm-svn: 260122
29 lines
1.2 KiB
LLVM
29 lines
1.2 KiB
LLVM
; Do setup work for all below tests: generate bitcode and combined index
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; RUN: llvm-as -function-summary %s -o %t.bc
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; RUN: llvm-as -function-summary %p/Inputs/funcimport_comdat.ll -o %t2.bc
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; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
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; Ensure linking of comdat containing external linkage global and function
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; removes the imported available_externally defs from comdat.
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; RUN: llvm-link %t2.bc -functionindex=%t3.thinlto.bc -import=comdat1_func1:%t.bc -S | FileCheck %s --check-prefix=IMPORTCOMDAT
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; IMPORTCOMDAT-NOT: $comdat1 = comdat any
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; IMPORTCOMDAT-NOT: comdat($comdat1)
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; Ensure linking of comdat containing internal linkage function with alias
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; removes the imported and promoted available_externally defs from comdat.
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; RUN: llvm-link %t2.bc -functionindex=%t3.thinlto.bc -import=comdat2_func1:%t.bc -S | FileCheck %s --check-prefix=IMPORTCOMDAT2
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; IMPORTCOMDAT2-NOT: $comdat2 = comdat any
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; IMPORTCOMDAT2-NOT: comdat($comdat2)
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$comdat1 = comdat any
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@comdat1_glob = global i32 0, comdat($comdat1)
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define void @comdat1_func1() comdat($comdat1) {
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ret void
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}
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$comdat2 = comdat any
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@comdat2_alias = alias void (), void ()* @comdat2_func1
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define internal void @comdat2_func1() comdat($comdat2) {
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ret void
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}
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