4b1e3d1937
-fembed-bitcode will put bitcode into special sections within object files, but this is not meant to be used by LTO, so the gold plugin should ignore it. https://github.com/llvm/llvm-project/issues/47216 Reviewed By: tejohnson, MaskRay Differential Revision: https://reviews.llvm.org/D116995
31 lines
1.1 KiB
LLVM
31 lines
1.1 KiB
LLVM
; RUN: rm -rf %t && mkdir -p %t
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; RUN: llvm-as -o %t/bcsection.bc %s
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; RUN: llvm-mc -I=%t -filetype=obj -triple=x86_64-unknown-unknown -o %t/bcsection.bco %p/Inputs/bcsection.s
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; RUN: llc -filetype=obj -mtriple=x86_64-unknown-unknown -o %t/bcsection-lib.o %p/Inputs/bcsection-lib.ll
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; RUN: %gold -shared --no-undefined -o %t/bcsection.so -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext %t/bcsection.bco %t/bcsection-lib.o
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; This test checks that the gold plugin does not attempt to use the bitcode
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; in the .llvmbc section for LTO. bcsection-lib.o calls a function that is
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; present the symbol table of bcsection.bco, but not included in the embedded
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; bitcode. If the linker were to use the bitcode, then the symbols in the
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; symbol table of bcsection.bco will be ignored and the link will fail.
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;
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; bcsection.bco:
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; .text:
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; elf_func
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; .llvmbc:
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; bitcode_func
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;
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; bcsection-lib.o:
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; calls elf_func()
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-unknown"
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; CHECK: main
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define i32 @bitcode_func() {
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ret i32 0
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}
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