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Fix BitstreamReader's GetCurrentBitNo to return the correct bit number, and stop JumpToBit from covering up its mistakes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68648 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Douglas Gregor
2009-04-08 22:26:47 +00:00
parent 75b2738d73
commit 2eb65e292c
1 changed files with 1 additions and 2 deletions
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3
include/llvm/Bitcode/BitstreamReader.h
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@ -115,7 +115,7 @@ public:
/// GetCurrentBitNo - Return the bit # of the bit we are reading. /// GetCurrentBitNo - Return the bit # of the bit we are reading.
uint64_t GetCurrentBitNo() const { uint64_t GetCurrentBitNo() const {
return (NextChar-FirstChar)*CHAR_BIT + ((32-BitsInCurWord) & 31); return (NextChar-FirstChar)*CHAR_BIT - BitsInCurWord;
} }
/// JumpToBit - Reset the stream to the specified bit number. /// JumpToBit - Reset the stream to the specified bit number.
@ -131,7 +131,6 @@ public:
// Skip over any bits that are already consumed. // Skip over any bits that are already consumed.
if (WordBitNo) { if (WordBitNo) {
NextChar -= 4;
Read(static_cast<unsigned>(WordBitNo)); Read(static_cast<unsigned>(WordBitNo));
} }
} }