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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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289899 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
1.1 KiB
LLVM
33 lines
1.1 KiB
LLVM
; RUN: opt -thinlto-bc -o %t %s
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; RUN: llvm-modextract -b -n 0 -o %t0 %t
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; RUN: llvm-modextract -b -n 1 -o %t1 %t
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; RUN: not llvm-modextract -b -n 2 -o - %t 2>&1 | FileCheck --check-prefix=ERROR %s
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; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=M0 %s
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; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=M1 %s
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; RUN: llvm-bcanalyzer -dump %t0 | FileCheck --check-prefix=BCA0 %s
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; RUN: llvm-bcanalyzer -dump %t1 | FileCheck --check-prefix=BCA1 %s
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; ERROR: llvm-modextract: error: module index out of range; bitcode file contains 2 module(s)
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; BCA0: <GLOBALVAL_SUMMARY_BLOCK
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; BCA1-NOT: <GLOBALVAL_SUMMARY_BLOCK
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; M0: @g = external global void ()*{{$}}
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; M1: @g = global void ()* @"f$13757e0fb71915e385efa4dc9d1e08fd", !type !0
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@g = global void ()* @f, !type !0
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; M0: define hidden void @"f$13757e0fb71915e385efa4dc9d1e08fd"()
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; M1: declare hidden void @"f$13757e0fb71915e385efa4dc9d1e08fd"()
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define internal void @f() {
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call void @f2()
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ret void
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}
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; M0: define internal void @f2()
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define internal void @f2() {
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ret void
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}
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; M1: !0 = !{i32 0, !"typeid"}
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!0 = !{i32 0, !"typeid"}
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