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llvm-mirror/tools/opt
Hans Wennborg 7bd42058c3 Rename CountingFunctionInserter and use for both mcount and cygprofile calls, before and after inlining
Clang implements the -finstrument-functions flag inherited from GCC, which
inserts calls to __cyg_profile_func_{enter,exit} on function entry and exit.

This is useful for getting a trace of how the functions in a program are
executed. Normally, the calls remain even if a function is inlined into another
function, but it is useful to be able to turn this off for users who are
interested in a lower-level trace, i.e. one that reflects what functions are
called post-inlining. (We use this to generate link order files for Chromium.)

LLVM already has a pass for inserting similar instrumentation calls to
mcount(), which it does after inlining. This patch renames and extends that
pass to handle calls both to mcount and the cygprofile functions, before and/or
after inlining as controlled by function attributes.

Differential Revision: https://reviews.llvm.org/D39287

llvm-svn: 318195
2017-11-14 21:09:45 +00:00
..
AnalysisWrappers.cpp
BreakpointPrinter.cpp Turn DISubprogram into a variable-length node. 2017-04-26 23:59:52 +00:00
BreakpointPrinter.h
CMakeLists.txt [CMake] opt depends on intrinsics_gen 2016-11-19 03:18:50 +00:00
GraphPrinters.cpp Cleanup dump() functions. 2017-01-28 02:02:38 +00:00
LLVMBuild.txt
NewPMDriver.cpp [Support] Rename tool_output_file to ToolOutputFile, NFC 2017-09-23 01:03:17 +00:00
NewPMDriver.h [Support] Rename tool_output_file to ToolOutputFile, NFC 2017-09-23 01:03:17 +00:00
opt.cpp Rename CountingFunctionInserter and use for both mcount and cygprofile calls, before and after inlining 2017-11-14 21:09:45 +00:00
PassPrinters.cpp [Analysis] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes. Also affected in files (NFC). 2017-08-31 21:56:16 +00:00
PassPrinters.h [Analysis] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes. Also affected in files (NFC). 2017-08-31 21:56:16 +00:00
PrintSCC.cpp