diff options
Diffstat (limited to 'COFF/ICF.cpp')
| -rw-r--r-- | COFF/ICF.cpp | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/COFF/ICF.cpp b/COFF/ICF.cpp index 88e67443c..7684b2c80 100644 --- a/COFF/ICF.cpp +++ b/COFF/ICF.cpp @@ -262,19 +262,21 @@ void ICF::run(ArrayRef<Chunk *> Vec) { // Initially, we use hash values to partition sections. parallelForEach(Chunks, [&](SectionChunk *SC) { - SC->Class[1] = xxHash64(SC->getContents()); + SC->Class[0] = xxHash64(SC->getContents()); }); // Combine the hashes of the sections referenced by each section into its // hash. - parallelForEach(Chunks, [&](SectionChunk *SC) { - uint32_t Hash = SC->Class[1]; - for (Symbol *B : SC->symbols()) - if (auto *Sym = dyn_cast_or_null<DefinedRegular>(B)) - Hash += Sym->getChunk()->Class[1]; - // Set MSB to 1 to avoid collisions with non-hash classs. - SC->Class[0] = Hash | (1U << 31); - }); + for (unsigned Cnt = 0; Cnt != 2; ++Cnt) { + parallelForEach(Chunks, [&](SectionChunk *SC) { + uint32_t Hash = SC->Class[Cnt % 2]; + for (Symbol *B : SC->symbols()) + if (auto *Sym = dyn_cast_or_null<DefinedRegular>(B)) + Hash += Sym->getChunk()->Class[Cnt % 2]; + // Set MSB to 1 to avoid collisions with non-hash classs. + SC->Class[(Cnt + 1) % 2] = Hash | (1U << 31); + }); + } // From now on, sections in Chunks are ordered so that sections in // the same group are consecutive in the vector. |