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[Object][Archive] Use uint64_t instead of APInt. It is significantly faster.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172015 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer
2013-01-09 22:58:43 +00:00
parent 5573de8493
commit e92800dd53
1 changed files with 10 additions and 10 deletions
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20
lib/Object/Archive.cpp
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@@ -48,9 +48,9 @@ struct ArchiveMemberHeader {
} }
uint64_t getSize() const { uint64_t getSize() const {
APInt ret; uint64_t ret;
StringRef(Size, sizeof(Size)).getAsInteger(10, ret); StringRef(Size, sizeof(Size)).getAsInteger(10, ret);
return ret.getZExtValue(); return ret;
} }
}; };
} }
@@ -110,11 +110,11 @@ error_code Archive::Child::getName(StringRef &Result) const {
} }
// It's a long name. // It's a long name.
// Get the offset. // Get the offset.
APInt offset; uint64_t offset;
name.substr(1).getAsInteger(10, offset); name.substr(1).getAsInteger(10, offset);
const char *addr = Parent->StringTable->Data.begin() const char *addr = Parent->StringTable->Data.begin()
+ sizeof(ArchiveMemberHeader) + sizeof(ArchiveMemberHeader)
+ offset.getZExtValue(); + offset;
// Verify it. // Verify it.
if (Parent->StringTable == Parent->end_children() if (Parent->StringTable == Parent->end_children()
|| addr < (Parent->StringTable->Data.begin() || addr < (Parent->StringTable->Data.begin()
@@ -133,9 +133,9 @@ error_code Archive::Child::getName(StringRef &Result) const {
} }
return object_error::success; return object_error::success;
} else if (name.startswith("#1/")) { } else if (name.startswith("#1/")) {
APInt name_size; uint64_t name_size;
name.substr(3).getAsInteger(10, name_size); name.substr(3).getAsInteger(10, name_size);
Result = Data.substr(0, name_size.getZExtValue()); Result = Data.substr(0, name_size);
return object_error::success; return object_error::success;
} }
// It's a simple name. // It's a simple name.
@@ -151,9 +151,9 @@ uint64_t Archive::Child::getSize() const {
// Don't include attached name. // Don't include attached name.
StringRef name = ToHeader(Data.data())->getName(); StringRef name = ToHeader(Data.data())->getName();
if (name.startswith("#1/")) { if (name.startswith("#1/")) {
APInt name_size; uint64_t name_size;
name.substr(3).getAsInteger(10, name_size); name.substr(3).getAsInteger(10, name_size);
size -= name_size.getZExtValue(); size -= name_size;
} }
return size; return size;
} }
@@ -163,9 +163,9 @@ MemoryBuffer *Archive::Child::getBuffer() const {
if (getName(name)) return NULL; if (getName(name)) return NULL;
int size = sizeof(ArchiveMemberHeader); int size = sizeof(ArchiveMemberHeader);
if (name.startswith("#1/")) { if (name.startswith("#1/")) {
APInt name_size; uint64_t name_size;
name.substr(3).getAsInteger(10, name_size); name.substr(3).getAsInteger(10, name_size);
size += name_size.getZExtValue(); size += name_size;
} }
return MemoryBuffer::getMemBuffer(Data.substr(size, getSize()), return MemoryBuffer::getMemBuffer(Data.substr(size, getSize()),
name, name,