[PATCH] D155764: [BOLT][DWARF] Replace MD5 with hash_combine
Alexander Yermolovich via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 20 11:51:39 PDT 2023
This revision was automatically updated to reflect the committed changes.
Closed by commit rGf52e61f3d37b: [BOLT][DWARF] Replace MD5 with hash_combine (authored by ayermolo).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D155764/new/
https://reviews.llvm.org/D155764
Files:
bolt/lib/Core/DIEBuilder.cpp
Index: bolt/lib/Core/DIEBuilder.cpp
===================================================================
--- bolt/lib/Core/DIEBuilder.cpp
+++ bolt/lib/Core/DIEBuilder.cpp
@@ -838,12 +838,11 @@
// Before DWARF5 TU units are in their own section, so at least one offset,
// first one, will be the same as CUs in .debug_info.dwo section
if (DU.getVersion() < 5 && DU.isTypeUnit()) {
- MD5 Hash;
- uint64_t TypeUnitHash = cast_or_null<DWARFTypeUnit>(&DU)->getTypeHash();
- uint64_t Offset = DU.getOffset();
- Hash.update(llvm::ArrayRef((uint8_t *)&TypeUnitHash, sizeof(TypeUnitHash)));
- Hash.update(llvm::ArrayRef((uint8_t *)&Offset, sizeof(Offset)));
- return Hash.final().high();
+ const uint64_t TypeUnitHash =
+ cast_or_null<DWARFTypeUnit>(&DU)->getTypeHash();
+ const uint64_t Offset = DU.getOffset();
+ return llvm::hash_combine(llvm::hash_value(TypeUnitHash),
+ llvm::hash_value(Offset));
}
return DU.getOffset();
}
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