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ARM .req register name aliases are case insensitive, just like regnames.

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llvm-svn: 147009
This commit is contained in:
Jim Grosbach 2011-12-20 23:11:00 +00:00
parent 2e4f1786b1
commit 7baaa0fc64
1 changed files with 4 additions and 3 deletions
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7
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -2325,9 +2325,10 @@ int ARMAsmParser::tryParseRegister() {
.Default(0);
}
if (!RegNum) {
// Check for aliases registered via .req.
StringMap<unsigned>::const_iterator Entry =
RegisterReqs.find(Tok.getIdentifier());
// Check for aliases registered via .req. Canonicalize to lower case.
// That's more consistent since register names are case insensitive, and
// it's how the original entry was passed in from MC/MCParser/AsmParser.
StringMap<unsigned>::const_iterator Entry = RegisterReqs.find(lowerCase);
// If no match, return failure.
if (Entry == RegisterReqs.end())
return -1;