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Use the return of readBytes to find out if we are at the end of the stream.

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This allows the removal of isObjectEnd and opens the way for reading 64 bits
at a time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221804 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-11-12 18:37:00 +00:00
parent bc8114f733
commit ea3c2111f4
4 changed files with 53 additions and 62 deletions
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lib/Support/StreamingMemoryObject.cpp
-12
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@@ -34,9 +34,6 @@ public:
bool isValidAddress(uint64_t address) const override {
return validAddress(address);
}
bool isObjectEnd(uint64_t address) const override {
return objectEnd(address);
}
private:
const uint8_t* const FirstChar;
@@ -47,9 +44,6 @@ private:
bool validAddress(uint64_t address) const {
return static_cast<std::ptrdiff_t>(address) < LastChar - FirstChar;
}
bool objectEnd(uint64_t address) const {
return static_cast<std::ptrdiff_t>(address) == LastChar - FirstChar;
}
RawMemoryObject(const RawMemoryObject&) LLVM_DELETED_FUNCTION;
void operator=(const RawMemoryObject&) LLVM_DELETED_FUNCTION;
@@ -85,12 +79,6 @@ bool StreamingMemoryObject::isValidAddress(uint64_t address) const {
return fetchToPos(address);
}
bool StreamingMemoryObject::isObjectEnd(uint64_t address) const {
if (ObjectSize) return address == ObjectSize;
fetchToPos(address);
return address == ObjectSize && address != 0;
}
uint64_t StreamingMemoryObject::getExtent() const {
if (ObjectSize) return ObjectSize;
size_t pos = BytesRead + kChunkSize;