diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/tools/gold/X86/strip_names.ll | 35 | ||||
| -rw-r--r-- | llvm/tools/gold/gold-plugin.cpp | 6 |
2 files changed, 41 insertions, 0 deletions
diff --git a/llvm/test/tools/gold/X86/strip_names.ll b/llvm/test/tools/gold/X86/strip_names.ll new file mode 100644 index 00000000000..cd1d9f82444 --- /dev/null +++ b/llvm/test/tools/gold/X86/strip_names.ll @@ -0,0 +1,35 @@ +; RUN: llvm-as %s -o %t.o + +; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \ +; RUN: --plugin-opt=emit-llvm \ +; RUN: -shared %t.o -o %t2.o +; RUN: llvm-dis %t2.o -o - | FileCheck %s + +; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \ +; RUN: --plugin-opt=emit-llvm \ +; RUN: --plugin-opt=discard-value-names \ +; RUN: -shared %t.o -o %t2.o +; RUN: llvm-dis %t2.o -o - | FileCheck ---check-prefix=NONAME %s + +; CHECK: @GlobalValueName +; CHECK: @foo(i32 %in) +; CHECK: somelabel: +; CHECK: %GV = load i32, i32* @GlobalValueName +; CHECK: %add = add i32 %in, %GV +; CHECK: ret i32 %add + +; NONAME: @GlobalValueName +; NONAME: @foo(i32) +; NONAME-NOT: somelabel: +; NONAME: %2 = load i32, i32* @GlobalValueName +; NONAME: %3 = add i32 %0, %2 +; NONAME: ret i32 %3 + +@GlobalValueName = global i32 0 + +define i32 @foo(i32 %in) { +somelabel: + %GV = load i32, i32* @GlobalValueName + %add = add i32 %in, %GV + ret i32 %add +} diff --git a/llvm/tools/gold/gold-plugin.cpp b/llvm/tools/gold/gold-plugin.cpp index 1c78d2fc745..d32ad76eb2d 100644 --- a/llvm/tools/gold/gold-plugin.cpp +++ b/llvm/tools/gold/gold-plugin.cpp @@ -167,8 +167,10 @@ namespace options { static unsigned Parallelism = 0; #ifdef NDEBUG static bool DisableVerify = true; + static bool DiscardValueNames = true; #else static bool DisableVerify = false; + static bool DiscardValueNames = false; #endif static std::string obj_path; static std::string extra_library_path; @@ -225,6 +227,8 @@ namespace options { message(LDPL_FATAL, "Invalid parallelism level: %s", opt_ + 5); } else if (opt == "disable-verify") { DisableVerify = true; + } else if (opt == "discard-value-names") { + DiscardValueNames = true; } else { // Save this option to pass to the code generator. // ParseCommandLineOptions() expects argv[0] to be program name. Lazily @@ -1114,6 +1118,7 @@ static void thinLTOBackendTask(claimed_file &F, const void *View, raw_fd_ostream *OS, unsigned TaskID) { // Need to use a separate context for each task LLVMContext Context; + Context.setDiscardValueNames(options::DiscardValueNames); Context.enableDebugTypeODRUniquing(); // Merge debug info types. Context.setDiagnosticHandler(diagnosticHandlerForContext, nullptr, true); @@ -1236,6 +1241,7 @@ static ld_plugin_status allSymbolsReadHook(raw_fd_ostream *ApiFile) { } LLVMContext Context; + Context.setDiscardValueNames(options::DiscardValueNames); Context.enableDebugTypeODRUniquing(); // Merge debug info types. Context.setDiagnosticHandler(diagnosticHandlerForContext, nullptr, true); |
