Add an c++ itanium demangler to llvm.
This adds a copy of the demangler in libcxxabi.
The code also has no dependencies on anything else in LLVM. To enforce
that I added it as another library. That way a BUILD_SHARED_LIBS will
fail if anyone adds an use of StringRef for example.
The no llvm dependency combined with the fact that this has to build
on linux, OS X and Windows required a few changes to the code. In
particular:
No constexpr.
No alignas
On OS X at least this library has only one global symbol:
__ZN4llvm16itanium_demangleEPKcPcPmPi
My current plan is:
Commit something like this
Change lld to use it
Change lldb to use it as the fallback
Add a few #ifdefs so that exactly the same file can be used in
libcxxabi to export abi::__cxa_demangle.
Once the fast demangler in lldb can handle any names this
implementation can be replaced with it and we will have the one true
demangler.
llvm-svn: 280732
diff --git a/llvm/test/CMakeLists.txt b/llvm/test/CMakeLists.txt
index 56fff69..0e9b309 100644
--- a/llvm/test/CMakeLists.txt
+++ b/llvm/test/CMakeLists.txt
@@ -32,6 +32,7 @@
llvm-as
llvm-bcanalyzer
llvm-c-test
+ llvm-cxxfilt
llvm-config
llvm-cov
llvm-cxxdump
diff --git a/llvm/test/Demangle/lit.local.cfg b/llvm/test/Demangle/lit.local.cfg
new file mode 100644
index 0000000..df9b335
--- /dev/null
+++ b/llvm/test/Demangle/lit.local.cfg
@@ -0,0 +1 @@
+config.suffixes = ['.test']
diff --git a/llvm/test/Demangle/simple.test b/llvm/test/Demangle/simple.test
new file mode 100644
index 0000000..76e70db
--- /dev/null
+++ b/llvm/test/Demangle/simple.test
@@ -0,0 +1,4 @@
+RUN: llvm-cxxfilt _Z1fi abc | FileCheck %s
+
+CHECK: f(int)
+CHECK-NEXT: abc
diff --git a/llvm/test/lit.cfg b/llvm/test/lit.cfg
index 1267637..3078fa7 100644
--- a/llvm/test/lit.cfg
+++ b/llvm/test/lit.cfg
@@ -309,6 +309,7 @@
r"\bllvm-split\b",
r"\bllvm-tblgen\b",
r"\bllvm-c-test\b",
+ r"\bllvm-cxxfilt\b",
NOJUNK + r"\bllvm-symbolizer\b",
NOJUNK + r"\bopt\b",
r"\bFileCheck\b",
diff --git a/llvm/test/tools/llvm-objdump/X86/macho-symbolized-disassembly.test b/llvm/test/tools/llvm-objdump/X86/macho-symbolized-disassembly.test
index 6f49b45..699a416 100644
--- a/llvm/test/tools/llvm-objdump/X86/macho-symbolized-disassembly.test
+++ b/llvm/test/tools/llvm-objdump/X86/macho-symbolized-disassembly.test
@@ -31,10 +31,7 @@
ObjC-EXE: 0000000100000f25 callq 0x100000f4a ## Objc message: +[NSDate date]
ObjC-EXE: 0000000100000f33 callq 0x100000f44 ## symbol stub for: _NSLog
-CXX-EXE: 00000001000014cb callq __ZNSt3__116__pad_and_outputIcNS_11char_traitsIcEEEENS_19ostreambuf_iteratorIT_T0_EES6_PKS4_S8_S8_RNS_8ios_baseES4_
-
-// FIXME: Demangler depends on host's <cxxabi.h>.
-// std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> > std::__1::__pad_and_output<char, std::__1::char_traits<char> >(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> >, char const*, char const*, char const*, std::__1::ios_base&, char)
+CXX-EXE: 00000001000014cb callq __ZNSt3__116__pad_and_outputIcNS_11char_traitsIcEEEENS_19ostreambuf_iteratorIT_T0_EES6_PKS4_S8_S8_RNS_8ios_baseES4_ ## std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> > std::__1::__pad_and_output<char, std::__1::char_traits<char> >(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> >, char const*, char const*, char const*, std::__1::ios_base&, char)
i386-OBJ: 0000002f calll _printf