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| author | Sebastian Pop <sebpop@gmail.com> | 2019-08-20 20:54:05 +0000 |
|---|---|---|
| committer | Sebastian Pop <sebpop@gmail.com> | 2019-08-20 20:54:05 +0000 |
| commit | 63487bfec927e378e67748fee2730eacebfa1a77 (patch) | |
| tree | a49c8a076cb7d8b8e86eedb8c5ba8ba5c9cff940 /lldb/packages/Python/lldbsuite/test/expression_command/context-object-objc | |
| parent | 5adace352d5ef63fe344dc95a375bd33040ea987 (diff) | |
| download | bcm5719-llvm-63487bfec927e378e67748fee2730eacebfa1a77.tar.gz bcm5719-llvm-63487bfec927e378e67748fee2730eacebfa1a77.zip | |
[AArch64] Speed-up leak and address sanitizers on AArch64 for 48-bit VMA
This patch fixes https://github.com/google/sanitizers/issues/703
On a Graviton-A1 aarch64 machine with 48-bit VMA,
the time spent in LSan and ASan reduced from 2.5s to 0.01s when running
clang -fsanitize=leak compiler-rt/test/lsan/TestCases/sanity_check_pure_c.c && time ./a.out
clang -fsanitize=address compiler-rt/test/lsan/TestCases/sanity_check_pure_c.c && time ./a.out
With this patch, LSan and ASan create both the 32 and 64 allocators and select
at run time between the two allocators following a global variable that is
initialized at init time to whether the allocator64 can be used in the virtual
address space.
Differential Revision: https://reviews.llvm.org/D60243
llvm-svn: 369441
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/expression_command/context-object-objc')
0 files changed, 0 insertions, 0 deletions
