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It is possible for two modules to define the same set of external symbols without causing a duplicate symbol error at link time, as long as each of the symbols is a comdat member. So we cannot use them as part of a unique id for the module. Differential Revision: https://reviews.llvm.org/D38602 llvm-svn: 315026
31 lines
814 B
LLVM
31 lines
814 B
LLVM
; RUN: opt -thinlto-bc -thin-link-bitcode-file=%t2 -o %t %s
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; RUN: llvm-dis -o - %t | FileCheck %s
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; RUN: llvm-bcanalyzer -dump %t | FileCheck --check-prefix=BCA %s
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; When not splitting the module, the thin link bitcode file should simply be a
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; copy of the regular module.
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; RUN: diff %t %t2
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; BCA-NOT: <GLOBALVAL_SUMMARY_BLOCK
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; CHECK: @llvm.global_ctors = appending global
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@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @f }]
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; CHECK: @g = internal global i8 42, !type !0
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@g = internal global i8 42, !type !0
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declare void @sink(i8*)
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; CHECK: define internal void @f()
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define internal void @f() {
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call void @sink(i8* @g)
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ret void
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}
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$h = comdat any
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; CHECK: define void @h() comdat
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define void @h() comdat {
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ret void
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}
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!0 = !{i32 0, !"typeid"}
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