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-rw-r--r--tools/edis/EDToken.cpp10
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/edis/EDToken.cpp b/tools/edis/EDToken.cpp
index 6b67e62..9408305 100644
--- a/tools/edis/EDToken.cpp
+++ b/tools/edis/EDToken.cpp
@@ -94,7 +94,8 @@ int EDToken::tokenize(std::vector<EDToken*> &tokens,
SmallVector<MCParsedAsmOperand*, 5> parsedOperands;
SmallVector<AsmToken, 10> asmTokens;
- disassembler.parseInst(parsedOperands, asmTokens, str);
+ if(disassembler.parseInst(parsedOperands, asmTokens, str))
+ return -1;
SmallVectorImpl<MCParsedAsmOperand*>::iterator operandIterator;
unsigned int operandIndex;
@@ -167,7 +168,12 @@ int EDToken::tokenize(std::vector<EDToken*> &tokens,
if(operandIterator != parsedOperands.end() &&
tokenLoc.getPointer() >=
(*operandIterator)->getStartLoc().getPointer()) {
- token->setOperandID(operandOrder[operandIndex]);
+ /// operandIndex == 0 means the operand is the instruction (which the
+ /// AsmParser treats as an operand but edis does not). We therefore skip
+ /// operandIndex == 0 and subtract 1 from all other operand indices.
+
+ if(operandIndex > 0)
+ token->setOperandID(operandOrder[operandIndex - 1]);
}
tokens.push_back(token);