[asan] change the default mapping offset on x86_64 to 0x7fff8000. This gives roughly...
authorKostya Serebryany <kcc@google.com>
Tue, 12 Feb 2013 11:11:02 +0000 (11:11 +0000)
committerKostya Serebryany <kcc@google.com>
Tue, 12 Feb 2013 11:11:02 +0000 (11:11 +0000)
commitbe73337ad20ffd28bd8d4e5473091603ab04166b
tree1222e37a7f478edf31956ad2a605193ddd0819e4
parent93686fc6f1a151eb00e8d7aa6c6dac89a1714132
[asan] change the default mapping offset on x86_64 to 0x7fff8000. This gives roughly 5% speedup. Since this is an ABI change, bump the asan ABI version by renaming __asan_init to __asan_init_v1. llvm part, compiler-rt part will follow

llvm-svn: 174957
llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp