[lldb] Remove references to llvm-gcc

lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp

@@ -736,15 +736,9 @@ bool DWARFUnit::LinkToSkeletonUnit(DWARFUnit &skeleton_unit) {
   return false; // Already linked to a different unit.
 }
 
-bool DWARFUnit::Supports_DW_AT_APPLE_objc_complete_type() {
-  return GetProducer() != eProducerLLVMGCC;
-}
+bool DWARFUnit::Supports_DW_AT_APPLE_objc_complete_type() { return true; }
 
-bool DWARFUnit::DW_AT_decl_file_attributes_are_invalid() {
-  // llvm-gcc makes completely invalid decl file attributes and won't ever be
-  // fixed, so we need to know to ignore these.
-  return GetProducer() == eProducerLLVMGCC;
-}
+bool DWARFUnit::DW_AT_decl_file_attributes_are_invalid() { return false; }
 
 bool DWARFUnit::Supports_unnamed_objc_bitfields() {
   if (GetProducer() == eProducerClang)
@@ -768,10 +762,6 @@ void DWARFUnit::ParseProducerInfo() {
       llvm::StringRef(R"(swiftlang-([0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?))"));
   static const RegularExpression g_clang_version_regex(
       llvm::StringRef(R"(clang-([0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?))"));
-  static const RegularExpression g_llvm_gcc_regex(
-      llvm::StringRef(R"(4\.[012]\.[01] )"
-                      R"(\(Based on Apple Inc\. build [0-9]+\) )"
-                      R"(\(LLVM build [\.0-9]+\)$)"));
 
   llvm::SmallVector<llvm::StringRef, 3> matches;
   if (g_swiftlang_version_regex.Execute(producer, &matches)) {
@@ -783,8 +773,6 @@ void DWARFUnit::ParseProducerInfo() {
     m_producer = eProducerClang;
   } else if (producer.contains("GNU")) {
     m_producer = eProducerGCC;
-  } else if (g_llvm_gcc_regex.Execute(producer)) {
-    m_producer = eProducerLLVMGCC;
   }
 }
 

lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.h

@@ -34,7 +34,6 @@ enum DWARFProducer {
   eProducerInvalid = 0,
   eProducerClang,
   eProducerGCC,
-  eProducerLLVMGCC,
   eProducerSwift,
   eProducerOther
 };

lldb/test/API/functionalities/conditional_break/TestConditionalBreak.py

@@ -10,7 +10,7 @@
 # rdar://problem/8532131
 # lldb not able to digest the clang-generated debug info correctly with respect to function name
 #
-# This class currently fails for clang as well as llvm-gcc.
+# This class currently fails for clang.
 
 
 class ConditionalBreakTestCase(TestBase):

lldb/test/API/functionalities/data-formatter/data-formatter-cpp/TestDataFormatterCpp.py

@@ -67,7 +67,7 @@ def cleanup():
         )
 
         # gcc4.2 on Mac OS X skips typedef chains in the DWARF output
-        if self.getCompiler() in ["clang", "llvm-gcc"]:
+        if self.getCompiler() in ["clang"]
             self.expect(
                 "frame variable",
                 patterns=[

lldb/test/API/functionalities/data-formatter/data-formatter-skip-summary/TestDataFormatterSkipSummary.py

@@ -157,27 +157,6 @@ def cleanup():
             ],
         )
 
-        # Bad debugging info on SnowLeopard gcc (Apple Inc. build 5666).
-        # Skip the following tests if the condition is met.
-        if self.getCompiler().endswith("gcc") and not self.getCompiler().endswith(
-            "llvm-gcc"
-        ):
-            import re
-
-            gcc_version_output = system([[lldbutil.which(self.getCompiler()), "-v"]])
-            self.trace("my output:", gcc_version_output)
-            for line in gcc_version_output.split(os.linesep):
-                m = re.search("\(Apple Inc\. build ([0-9]+)\)", line)
-                self.trace("line:", line)
-                if m:
-                    gcc_build = int(m.group(1))
-                    self.trace("gcc build:", gcc_build)
-                    if gcc_build >= 5666:
-                        # rdar://problem/9804600"
-                        self.skipTest(
-                            "rdar://problem/9804600 wrong namespace for std::string in debug info"
-                        )
-
         # Expand same expression, skipping 3 layers of summaries
         self.expect(
             "frame variable data1.m_child1->m_child2 --show-types --no-summary-depth=3",

lldb/test/API/lang/cpp/namespace/TestNamespace.py

@@ -161,7 +161,7 @@ def test_with_run_command(self):
         # On Mac OS X, gcc 4.2 emits the wrong debug info with respect to
         # types.
         slist = ["(int) a = 12", "anon_uint", "a_uint", "b_uint", "y_uint"]
-        if self.platformIsDarwin() and self.getCompiler() in ["clang", "llvm-gcc"]:
+        if self.platformIsDarwin() and self.getCompiler() in ["clang"]:
             slist = [
                 "(int) a = 12",
                 "::my_uint_t",

lldb/unittests/SymbolFile/DWARF/DWARFUnitTest.cpp

@@ -122,41 +122,6 @@ TEST(DWARFUnitTest, ClangProducer) {
   EXPECT_EQ(unit->GetProducerVersion(), llvm::VersionTuple(1300, 0, 29, 3));
 }
 
-TEST(DWARFUnitTest, LLVMGCCProducer) {
-  const char *yamldata = R"(
---- !ELF
-FileHeader:
-  Class:   ELFCLASS64
-  Data:    ELFDATA2LSB
-  Type:    ET_EXEC
-  Machine: EM_386
-DWARF:
-  debug_str:
-    - 'i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)'
-  debug_abbrev:
-    - Table:
-        - Code:            0x00000001
-          Tag:             DW_TAG_compile_unit
-          Children:        DW_CHILDREN_yes
-          Attributes:
-            - Attribute:       DW_AT_producer
-              Form:            DW_FORM_strp
-  debug_info:
-    - Version:         4
-      AddrSize:        8
-      Entries:
-        - AbbrCode:        0x1
-          Values:
-            - Value:           0x0
-        - AbbrCode:        0x0
-)";
-
-  YAMLModuleTester t(yamldata);
-  DWARFUnit *unit = t.GetDwarfUnit();
-  ASSERT_TRUE((bool)unit);
-  EXPECT_EQ(unit->GetProducer(), eProducerLLVMGCC);
-}
-
 TEST(DWARFUnitTest, SwiftProducer) {
   const char *yamldata = R"(
 --- !ELF