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ARM: Make .unreq directives case-insensitive

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Be case-insensitive when processing .unreq directives.

Patch by Lin Zuojian!

llvm-svn: 203251
This commit is contained in:
Duncan P. N. Exon Smith 2014-03-07 16:16:52 +00:00
parent f500830867
commit a9db25cef0
2 changed files with 21 additions and 1 deletions
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2
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -8255,7 +8255,7 @@ bool ARMAsmParser::parseDirectiveUnreq(SMLoc L) {
Error(L, "unexpected input in .unreq directive.");
return false;
}
RegisterReqs.erase(Parser.getTok().getIdentifier());
RegisterReqs.erase(Parser.getTok().getIdentifier().lower());
Parser.Lex(); // Eat the identifier.
return false;
}

20
test/MC/ARM/dot-req-case-insensitive.s Normal file
View File

@ -0,0 +1,20 @@
@ RUN: llvm-mc -triple=arm < %s | FileCheck %s
.syntax unified
_foo:
OBJECT .req r2
mov r4, OBJECT
mov r4, oBjEcT
.unreq oBJECT
_foo2:
OBJECT .req r5
mov r4, OBJECT
.unreq OBJECT
@ CHECK-LABEL: _foo:
@ CHECK: mov r4, r2
@ CHECK: mov r4, r2
@ CHECK-LABEL: _foo2:
@ CHECK: mov r4, r5