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Hal Finkel d3039d9a41 Add a counter-function insertion pass 
As discussed in https://reviews.llvm.org/D22666, our current mechanism to
support -pg profiling, where we insert calls to mcount(), or some similar
function, is fundamentally broken. We insert these calls in the frontend, which
means they get duplicated when inlining, and so the accumulated execution
counts for the inlined-into functions are wrong.

Because we don't want the presence of these functions to affect optimizaton,
they should be inserted in the backend. Here's a pass which would do just that.
The knowledge of the name of the counting function lives in the frontend, so
we're passing it here as a function attribute. Clang will be updated to use
this mechanism.

Differential Revision: https://reviews.llvm.org/D22825

llvm-svn: 280347
2016-09-01 09:42:39 +00:00
..
bugpoint [PM] Port the always inliner to the new pass manager in a much more 2016-08-17 02:56:20 +00:00
bugpoint-passes Remove autoconf support 2016-01-26 21:29:08 +00:00
dsymutil Replace "fallthrough" comments with LLVM_FALLTHROUGH 2016-08-17 05:10:15 +00:00
gold [ThinLTO] Move loading of cache entry to client 2016-08-26 23:29:14 +00:00
llc Add a counter-function insertion pass 2016-09-01 09:42:39 +00:00
lli [Orc] Simplify LogicalDylib and move it back inside CompileOnDemandLayer. Also 2016-08-29 00:54:29 +00:00
llvm-ar Use the range variant of find_if instead of unpacking begin/end 2016-08-12 00:18:03 +00:00
llvm-as Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-as-fuzzer Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
llvm-bcanalyzer Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-c-test Add support for callsite in the new C API for attributes 2016-06-15 05:14:29 +00:00
llvm-config Replace a few more "fall through" comments with LLVM_FALLTHROUGH 2016-08-17 20:30:52 +00:00
llvm-cov [llvm-cov] Drop redundant "No." suffix in a column title 2016-08-31 00:09:44 +00:00
llvm-cxxdump [Object] Re-apply r275316 now that I have the corresponding LLD patch ready. 2016-07-14 02:24:01 +00:00
llvm-diff [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
llvm-dis IR: Allow metadata attachments on declarations, and fix lazy loaded metadata issue with globals. 2016-06-21 23:42:48 +00:00
llvm-dwarfdump Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-dwp MC] Provide an MCTargetOptions to implementors of MCAsmBackendCtorTy, NFC 2016-07-25 17:18:28 +00:00
llvm-extract Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-go [llvm-go] parameterize $GOPATH construction 2016-07-27 03:21:51 +00:00
llvm-jitlistener Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-link Don't verify inputs to the Linker if ODR merging. 2016-06-29 18:31:48 +00:00
llvm-lto [ThinLTO] Fix temp file dumping, enable via llvm-lto and test it 2016-08-15 23:24:57 +00:00
llvm-lto2 [ThinLTO] Move loading of cache entry to client 2016-08-26 23:29:14 +00:00
llvm-mc Replace a few more "fall through" comments with LLVM_FALLTHROUGH 2016-08-17 20:30:52 +00:00
llvm-mc-fuzzer [llvm-mc-fuzzer] Use LLVMFuzzerInitialize() instead of a custom main() and FuzzerDriver() 2016-05-13 10:23:04 +00:00
llvm-mcmarkup Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-nm Use the range variant of transform instead of unpacking begin/end 2016-08-12 04:32:45 +00:00
llvm-objdump llvm-objdump: ELF: Handle code and data mix in all scenarios 2016-08-25 19:41:08 +00:00
llvm-pdbdump [codeview] Have visitTypeBegin return the record type. 2016-08-31 23:14:31 +00:00
llvm-profdata llvm-profdata: Clarify the top level help 2016-08-03 23:10:51 +00:00
llvm-readobj Fix the MSVC 2013 build by using Elf_Word instead of making a local typedef 2016-08-31 22:45:36 +00:00
llvm-rtdyld [ExecutionEngine][MCJIT][Orc] Replace RuntimeDyld::SymbolInfo with JITSymbol. 2016-08-01 20:49:11 +00:00
llvm-shlib Revert "[CMake] LINK_LIBS need to be public for Darwin dylib targets" 2016-05-26 04:35:35 +00:00
llvm-size Add the first of what will be a long line of additional error checks for invalid Mach-O files. 2016-08-05 18:19:40 +00:00
llvm-split Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
llvm-stress [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
llvm-symbolizer Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
lto Move legacy LTO interface headers to legacy/ directory. 2016-07-14 21:21:16 +00:00
msbuild
obj2yaml [macho2yaml] String table can contain null strings 2016-08-04 19:19:25 +00:00
opt Add a counter-function insertion pass 2016-09-01 09:42:39 +00:00
sancov [sancov] MachO indirect symbols support. 2016-08-12 19:25:59 +00:00
sanstats [Symbolize] Check if the PE file has a PDB and emit an error if we can't load it 2016-06-03 20:25:09 +00:00
verify-uselistorder Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
xcode-toolchain [CMake] Minor fix to regex in r279152 2016-08-18 21:36:36 +00:00
yaml2obj [yaml2obj] Remove --format option in favor of YAML tags 2016-06-27 19:53:53 +00:00
CMakeLists.txt Fixup r271533, or check-clang didn't find llvm-lto as the target. 2016-06-02 20:39:24 +00:00
LLVMBuild.txt llvm-dwp: Initial layout 2015-12-01 00:48:34 +00:00