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This pass prepares a module containing type metadata for ThinLTO by splitting it into regular and thin LTO parts if possible, and writing both parts to a multi-module bitcode file. Modules that do not contain type metadata are written unmodified as a single module. All globals with type metadata are added to the regular LTO module, and the rest are added to the thin LTO module. Differential Revision: https://reviews.llvm.org/D27324 llvm-svn: 289899
22 lines
569 B
LLVM
22 lines
569 B
LLVM
; RUN: opt -thinlto-bc -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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; 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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!0 = !{i32 0, !"typeid"}
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