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Fix a heinous inefficiency introduced in r149918, wherein reading each byte of a

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BLOB (i.e., large, performance intensive data) in a bitcode file was switched to
invoking one virtual method call per byte read.  Now we do one virtual call per
BLOB.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173065 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2013-01-21 18:24:49 +00:00
parent afe77f33b2
commit 69582cf6c4
2 changed files with 8 additions and 15 deletions
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6
include/llvm/Bitcode/BitstreamReader.h
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@ -237,12 +237,6 @@ public:
static_cast<uint64_t>(pos - 1));
}
unsigned char getByte(size_t pos) {
uint8_t byte = -1;
BitStream->getBitcodeBytes().readByte(pos, &byte);
return byte;
}
uint32_t getWord(size_t pos) {
uint8_t buf[4] = { 0xFF, 0xFF, 0xFF, 0xFF };
BitStream->getBitcodeBytes().readBytes(pos, sizeof(buf), buf, NULL);