http://llvm.org/bugs/show_bug.cgi?id=18833
Bug ID: 18833
Summary: ARMAsmParser fails to recognize .req directive alias
name in capital letters
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: ARM
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
OUTPUT_BUF .req r2
will store "output_buf" in RegisterReqs.Because in AsmParser::parseStatement
=> std::string OpcodeStr = IDVal.lower();
ParseInstructionInfo IInfo(Info.AsmRewrites);
bool HadError = getTargetParser().ParseInstruction(IInfo, OpcodeStr, IDLoc,
Info.ParsedOperands);
The Name variable is treated as opcode string,and get lowered before
ParseInstruction.
And so unreg directive will fail who is expecting the original name(not getting
lowered).
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