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Revert "Verify sizes when trying to read a VBR"
This reverts r234984 since it seems to break some bots (most of them seemed arm*-selfhost). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234998 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -395,7 +395,6 @@ public:
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// Read a VBR that may have a value up to 64-bits in size. The chunk size of
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// the VBR must still be <= 32 bits though.
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uint64_t ReadVBR64(unsigned NumBits) {
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assert(NumBits <= 64 && "VBR can only be up to 64 bits in size.");
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uint32_t Piece = Read(NumBits);
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if ((Piece & (1U << (NumBits-1))) == 0)
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return uint64_t(Piece);
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@ -62,8 +62,6 @@ static uint64_t readAbbreviatedField(BitstreamCursor &Cursor,
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case BitCodeAbbrevOp::Fixed:
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return Cursor.Read((unsigned)Op.getEncodingData());
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case BitCodeAbbrevOp::VBR:
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if ((unsigned)Op.getEncodingData() > 64)
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report_fatal_error("Invalid record");
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return Cursor.ReadVBR64((unsigned)Op.getEncodingData());
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case BitCodeAbbrevOp::Char6:
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return BitCodeAbbrevOp::DecodeChar6(Cursor.Read(6));
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Binary file not shown.
@ -55,8 +55,3 @@ RUN: not llvm-dis -disable-output %p/Inputs/invalid-no-proper-module.bc 2>&1 | \
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RUN: FileCheck --check-prefix=NO-MODULE %s
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NO-MODULE: Malformed IR file
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RUN: not llvm-dis -disable-output %p/Inputs/invalid-VBR-too-big.bc 2>&1 | \
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RUN: FileCheck --check-prefix=HUGE-VBR %s
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HUGE-VBR: Invalid record
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