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authorRobert Grosse <grosse@chromium.org>2013-07-25 14:34:41 -0700
committerRobert Grosse <grosse@chromium.org>2013-07-25 14:34:41 -0700
commit7b390888fd9f3886d966ab072c328f4fbd9c64b4 (patch)
tree61d7d80f47627e5736931a1ae488377c92594f4c /include
parent0adde5bbb53bfb2aadcb566c514efd3e218bf0bc (diff)
Add a -finstrument-functions-size=n option to control basic block
filtering. If omitted entirely, the original behavior is restored. This also undos the string and __pnacl_profile stuff from the previous CL. Finally, it fixes and updates the -finstrument-function tests. BUG=none R=bradnelson@google.com, dschuff@chromium.org Review URL: https://codereview.chromium.org/19793007
Diffstat (limited to 'include')
-rw-r--r--include/clang/Driver/CC1Options.td2
-rw-r--r--include/clang/Driver/Options.td2
-rw-r--r--include/clang/Frontend/CodeGenOptions.def3
3 files changed, 7 insertions, 0 deletions
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 96a50fc5c6..eaa67ab1db 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -456,6 +456,8 @@ def fdeprecated_macro : Flag<["-"], "fdeprecated-macro">,
HelpText<"Defines the __DEPRECATED macro">;
def fno_deprecated_macro : Flag<["-"], "fno-deprecated-macro">,
HelpText<"Undefines the __DEPRECATED macro">;
+def finstrument_functions_size : Separate<["-"], "finstrument-functions-size">,
+ HelpText<"Minimum size of functions to instrument">;
//===----------------------------------------------------------------------===//
// Header Search Options
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 3a5358a7e3..fea7ba3c00 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -484,6 +484,8 @@ def finline_functions : Flag<["-"], "finline-functions">, Group<clang_ignored_f_
def finline : Flag<["-"], "finline">, Group<clang_ignored_f_Group>;
def finstrument_functions : Flag<["-"], "finstrument-functions">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"Generate calls to instrument function entry and exit">;
+def finstrument_functions_size_EQ : Joined<["-"], "finstrument-functions-size=">, Group<f_Group>, Flags<[CC1Option]>,
+ HelpText<"Set a minimum number of basic blocks for function instrumentation">;
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>;
diff --git a/include/clang/Frontend/CodeGenOptions.def b/include/clang/Frontend/CodeGenOptions.def
index f6e2472cb9..63516e8684 100644
--- a/include/clang/Frontend/CodeGenOptions.def
+++ b/include/clang/Frontend/CodeGenOptions.def
@@ -62,6 +62,9 @@ CODEGENOPT(HiddenWeakVTables , 1, 0) ///< Emit weak vtables, RTTI, and thunks wi
///< hidden visibility.
CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
///< enabled.
+VALUE_CODEGENOPT(InstrumentFunctionsSize, 32, 0) ///< If set, only functions with
+ ///< at least this many basic
+ ///< blocks are instrumented.
CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
CODEGENOPT(LessPreciseFPMAD , 1, 0) ///< Enable less precise MAD instructions to
///< be generated.