diff options
| -rw-r--r-- | lld/ELF/LTO.cpp | 5 | ||||
| -rw-r--r-- | lld/test/ELF/lto/Inputs/drop-debug-info.bc | bin | 0 -> 1152 bytes | |||
| -rw-r--r-- | lld/test/ELF/lto/drop-debug-info.ll | 9 |
3 files changed, 14 insertions, 0 deletions
diff --git a/lld/ELF/LTO.cpp b/lld/ELF/LTO.cpp index 9f2457f1277..8ff90f61cc1 100644 --- a/lld/ELF/LTO.cpp +++ b/lld/ELF/LTO.cpp @@ -18,6 +18,7 @@ #include "llvm/Bitcode/ReaderWriter.h" #include "llvm/CodeGen/CommandFlags.h" #include "llvm/CodeGen/ParallelCG.h" +#include "llvm/IR/AutoUpgrade.h" #include "llvm/IR/LegacyPassManager.h" #include "llvm/Linker/IRMover.h" #include "llvm/Support/StringSaver.h" @@ -100,6 +101,10 @@ void BitcodeCompiler::add(BitcodeFile &F) { if (M.getDataLayoutStr().empty()) fatal("invalid bitcode file: " + F.getName() + " has no datalayout"); + // Discard non-compatible debug infos if necessary. + M.materializeMetadata(); + UpgradeDebugInfo(M); + // If a symbol appears in @llvm.used, the linker is required // to treat the symbol as there is a reference to the symbol // that it cannot see. Therefore, we can't internalize. diff --git a/lld/test/ELF/lto/Inputs/drop-debug-info.bc b/lld/test/ELF/lto/Inputs/drop-debug-info.bc Binary files differnew file mode 100644 index 00000000000..f9c471f8e0d --- /dev/null +++ b/lld/test/ELF/lto/Inputs/drop-debug-info.bc diff --git a/lld/test/ELF/lto/drop-debug-info.ll b/lld/test/ELF/lto/drop-debug-info.ll new file mode 100644 index 00000000000..7a7ed5ea41d --- /dev/null +++ b/lld/test/ELF/lto/drop-debug-info.ll @@ -0,0 +1,9 @@ +; REQUIRES: x86 +; +; drop-debug-info.bc was created from "void f(void) {}" with clang 3.5 and +; -gline-tables-only, so it contains old debug info. +; +; RUN: ld.lld -m elf_x86_64 -shared %p/Inputs/drop-debug-info.bc \ +; RUN: -disable-verify 2>&1 | FileCheck %s +; CHECK: warning: ignoring debug info with an invalid version (1) in {{.*}}drop-debug-info.bc + |
