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authorrdivacky <rdivacky@FreeBSD.org>2010-04-02 08:54:30 +0000
committerrdivacky <rdivacky@FreeBSD.org>2010-04-02 08:54:30 +0000
commit20e856b2a58d12231aa42d5d13888b15ac03e5a4 (patch)
treecf5763d092b81cecc168fa28032247ee495d06e2 /lib/Bitcode/Reader/BitcodeReader.cpp
parent2f2afc1aae898651e26987a5c71f3febb19bca98 (diff)
downloadFreeBSD-src-20e856b2a58d12231aa42d5d13888b15ac03e5a4.zip
FreeBSD-src-20e856b2a58d12231aa42d5d13888b15ac03e5a4.tar.gz
Update LLVM to r100181.
Diffstat (limited to 'lib/Bitcode/Reader/BitcodeReader.cpp')
-rw-r--r--lib/Bitcode/Reader/BitcodeReader.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index b9453c9..76d112e 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1527,12 +1527,16 @@ bool BitcodeReader::ParseModule() {
bool BitcodeReader::ParseBitcodeInto(Module *M) {
TheModule = 0;
- if (Buffer->getBufferSize() & 3)
- return Error("Bitcode stream should be a multiple of 4 bytes in length");
-
unsigned char *BufPtr = (unsigned char *)Buffer->getBufferStart();
unsigned char *BufEnd = BufPtr+Buffer->getBufferSize();
+ if (Buffer->getBufferSize() & 3) {
+ if (!isRawBitcode(BufPtr, BufEnd) && !isBitcodeWrapper(BufPtr, BufEnd))
+ return Error("Invalid bitcode signature");
+ else
+ return Error("Bitcode stream should be a multiple of 4 bytes in length");
+ }
+
// If we have a wrapper header, parse it and ignore the non-bc file contents.
// The magic number is 0x0B17C0DE stored in little endian.
if (isBitcodeWrapper(BufPtr, BufEnd))
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