Introduce -flimit-debug-info.
In this experimental mode try avoiding debug info emission for classes as much as possible. The goal is to reduce size of produced debuginfo without reducing quality of debug info in general. This is a work in progress.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115188 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 6de5bf1..363ea7b 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -131,6 +131,8 @@
def g : Flag<"-g">, HelpText<"Generate source level debug information">;
def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">,
HelpText<"Generate runtime checks for undefined behavior.">;
+def flimit_debug_info : Flag<"-flimit-debug-info">,
+ HelpText<"Limit debug information produced to reduce size of debug binary">;
def fno_common : Flag<"-fno-common">,
HelpText<"Compile common globals like normal definitions">;
def no_implicit_float : Flag<"-no-implicit-float">,
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 95b84d3..fed03f7 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -288,6 +288,8 @@
def fkeep_inline_functions : Flag<"-fkeep-inline-functions">, Group<clang_ignored_f_Group>;
def flat__namespace : Flag<"-flat_namespace">;
def flax_vector_conversions : Flag<"-flax-vector-conversions">, Group<f_Group>;
+def flimit_debug_info : Flag<"-flimit-debug-info">, Group<f_Group>,
+ HelpText<"Limit debug information produced to reduce size of debug binary">;
def flimited_precision_EQ : Joined<"-flimited-precision=">, Group<f_Group>;
def flto : Flag<"-flto">, Group<f_Group>;
def fmacro_backtrace_limit_EQ : Joined<"-fmacro-backtrace-limit=">,
diff --git a/include/clang/Frontend/CodeGenOptions.h b/include/clang/Frontend/CodeGenOptions.h
index b3f5709..ffaaedc 100644
--- a/include/clang/Frontend/CodeGenOptions.h
+++ b/include/clang/Frontend/CodeGenOptions.h
@@ -40,6 +40,7 @@
/// aliases to base ctors when possible.
unsigned DataSections : 1; /// Set when -fdata-sections is enabled
unsigned DebugInfo : 1; /// Should generate debug info (-g).
+ unsigned LimitDebugInfo : 1; /// Limit generated debug info to reduce size.
unsigned DisableFPElim : 1; /// Set when -fomit-frame-pointer is enabled.
unsigned DisableLLVMOpts : 1; /// Don't run any optimizations, for use in
/// getting .bc files that correspond to the
@@ -109,6 +110,7 @@
CXXCtorDtorAliases = 0;
DataSections = 0;
DebugInfo = 0;
+ LimitDebugInfo = 0;
DisableFPElim = 0;
DisableLLVMOpts = 0;
DisableRedZone = 0;