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Support for instrumenting only selected files or functions

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This change implements support for applying profile instrumentation
only to selected files or functions. The implementation uses the
sanitizer special case list format to select which files and functions
to instrument, and relies on the new noprofile IR attribute to exclude
functions from instrumentation.

Differential Revision: https://reviews.llvm.org/D94820
This commit is contained in:
Petr Hosek
2021-01-15 01:14:37 -08:00
parent 696b1678eb
commit 3cfd18b793
11 changed files with 42 additions and 0 deletions
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lib/Bitcode/Writer/BitcodeWriter.cpp
+2
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@@ -680,6 +680,8 @@ static uint64_t getAttrKindEncoding(Attribute::AttrKind Kind) {
return bitc::ATTR_KIND_NOSYNC;
case Attribute::NoCfCheck:
return bitc::ATTR_KIND_NOCF_CHECK;
case Attribute::NoProfile:
return bitc::ATTR_KIND_NO_PROFILE;
case Attribute::NoUnwind:
return bitc::ATTR_KIND_NO_UNWIND;
case Attribute::NullPointerIsValid: