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hanchenye-llvm-project/clang/test/Profile
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David Blaikie 981d2a04b7 Fix this test so it doesn't try to open a file to write to the source tree 
llvm-svn: 234173
 		2015-04-06 16:33:18 +00:00
..
Inputs InstrProf: Update for LLVM API change 2014-08-01 22:50:16 +00:00
README PGO: Clarify the testing README 2014-03-11 18:18:12 +00:00
c-attributes.c test: Use llvm-profdata merge in Profile tests 2014-04-17 22:49:06 +00:00
c-captured.c InstrProf: Make profile variables private to reduce binary size overhead 2015-03-20 06:34:38 +00:00
c-counter-overflows.c IR: Make metadata typeless in assembly, clang side 2014-12-15 19:10:08 +00:00
c-general.c InstrProf: Make profile variables private to reduce binary size overhead 2015-03-20 06:34:38 +00:00
c-linkage-available_externally.c Test case updates for explicit type parameter to the gep operator 2015-03-13 18:21:46 +00:00
c-linkage.c InstrProf: Make profile variables private to reduce binary size overhead 2015-03-20 06:34:38 +00:00
c-outdated-data.c test: Use llvm-profdata merge in Profile tests 2014-04-17 22:49:06 +00:00
c-unprofiled-blocks.c test: Use llvm-profdata merge in Profile tests 2014-04-17 22:49:06 +00:00
c-unprofiled.c CodeGen: Improve warnings about uninstrumented files when profiling 2014-06-26 01:45:07 +00:00
c-unreachable-after-switch.c InstrProf: Make profile variables private to reduce binary size overhead 2015-03-20 06:34:38 +00:00
cxx-class.cpp IR: Make metadata typeless in assembly, clang side 2014-12-15 19:10:08 +00:00
cxx-implicit.cpp CodeGen: Avoid instrumenting implicit Decls more effectively 2014-04-25 07:20:05 +00:00
cxx-lambda.cpp Re-land "MS ABI: lambda call operators are instance methods and should use thiscall" 2015-04-01 20:22:13 +00:00
cxx-linkage.cpp InstrProf: Make profile variables private to reduce binary size overhead 2015-03-20 06:34:38 +00:00
cxx-templates.cpp IR: Make metadata typeless in assembly, clang side 2014-12-15 19:10:08 +00:00
cxx-throws.cpp InstrProf: Make profile variables private to reduce binary size overhead 2015-03-20 06:34:38 +00:00
objc-general.m InstrProf: Make profile variables private to reduce binary size overhead 2015-03-20 06:34:38 +00:00
profile-does-not-exist.c Fix this test so it doesn't try to open a file to write to the source tree 2015-04-06 16:33:18 +00:00

README 

These are tests for instrumentation based profiling.  This specifically means
the -fprofile-instr-generate and -fprofile-instr-use driver flags.

Tests in this directory should usually test both:

  - the generation of instrumentation (-fprofile-instr-generate), and
  - the use of profile data from instrumented runs (-fprofile-instr-use).

In order to test -fprofile-instr-use without actually running an instrumented
program, .profdata files are checked into Inputs/.

The input source files must include a main function such that building with
-fprofile-instr-generate and running the resulting program generates the same
.profdata file that is consumed by the tests for -fprofile-instr-use.  Even
tests that only check -fprofile-instr-use should include such a main function,
so that profile data can be regenerated as the .profdata file format evolves.