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Remove the NotUnderValgrind caching flag

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The motivation for this caching wasn't clear, remove it in an effort to
simplify the code and make libSupport free of global dynamic constructor.

Reviewed By: dexonsmith

Differential Revision: https://reviews.llvm.org/D106206
This commit is contained in:
Mehdi Amini 2021-07-26 00:20:24 +00:00
parent aaa4bd0e18
commit ecdc653aaa
1 changed files with 0 additions and 15 deletions
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15
lib/Support/Valgrind.cpp
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@ -19,26 +19,11 @@
#if HAVE_VALGRIND_VALGRIND_H
#include <valgrind/valgrind.h>
static bool InitNotUnderValgrind() {
return !RUNNING_ON_VALGRIND;
}
// This bool is negated from what we'd expect because code may run before it
// gets initialized. If that happens, it will appear to be 0 (false), and we
// want that to cause the rest of the code in this file to run the
// Valgrind-provided macros.
static const bool NotUnderValgrind = InitNotUnderValgrind();
bool llvm::sys::RunningOnValgrind() {
if (NotUnderValgrind)
return false;
return RUNNING_ON_VALGRIND;
}
void llvm::sys::ValgrindDiscardTranslations(const void *Addr, size_t Len) {
if (NotUnderValgrind)
return;
VALGRIND_DISCARD_TRANSLATIONS(Addr, Len);
}