[llvm-symbolizer] Add -C as a short alias to -demangle
Summary: Provides -C as alias to -demangle. Motivation: https://bugs.llvm.org/show_bug.cgi?id=40069.
Reviewers: jhenderson, ruiu, rnk, fjricci
Reviewed By: jhenderson, ruiu
Subscribers: rupprecht, erik.pilkington, llvm-commits
Differential Revision: https://reviews.llvm.org/D56591
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351300 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llvm-symbolizer.rst b/docs/CommandGuide/llvm-symbolizer.rst
index 1b8986d..3c7a26e 100644
--- a/docs/CommandGuide/llvm-symbolizer.rst
+++ b/docs/CommandGuide/llvm-symbolizer.rst
@@ -83,7 +83,7 @@
Prefer function names stored in symbol table to function names
in debug info sections. Defaults to true.
-.. option:: -demangle
+.. option:: -demangle, -C
Print demangled function names. Defaults to true.
diff --git a/test/DebugInfo/llvm-symbolizer.test b/test/DebugInfo/llvm-symbolizer.test
index 5a5e06c..91d9a42 100644
--- a/test/DebugInfo/llvm-symbolizer.test
+++ b/test/DebugInfo/llvm-symbolizer.test
@@ -210,5 +210,7 @@
RUN: echo "%p/Inputs/dwarfdump-test4.elf-x86-64 0x62c" > %t.input7
RUN: llvm-symbolizer --functions=short --demangle=false < %t.input7 \
RUN: | FileCheck %s --check-prefix=SHORT_FUNCTION_NAME
+RUN: llvm-symbolizer --functions=short -C=false < %t.input7 \
+RUN: | FileCheck %s --check-prefix=SHORT_FUNCTION_NAME
SHORT_FUNCTION_NAME-NOT: _Z1cv
diff --git a/tools/llvm-symbolizer/llvm-symbolizer.cpp b/tools/llvm-symbolizer/llvm-symbolizer.cpp
index e922bc9..9d19f99 100644
--- a/tools/llvm-symbolizer/llvm-symbolizer.cpp
+++ b/tools/llvm-symbolizer/llvm-symbolizer.cpp
@@ -55,8 +55,12 @@
ClPrintInlining("inlining", cl::init(true),
cl::desc("Print all inlined frames for a given address"));
+// -demangle, -C
static cl::opt<bool>
ClDemangle("demangle", cl::init(true), cl::desc("Demangle function names"));
+static cl::alias
+ClDemangleShort("C", cl::desc("Alias for -demangle"),
+ cl::NotHidden, cl::aliasopt(ClDemangle));
static cl::opt<std::string> ClDefaultArch("default-arch", cl::init(""),
cl::desc("Default architecture "
