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| author | Jim Grosbach <grosbach@apple.com> | 2011-09-19 18:42:21 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-09-19 18:42:21 +0000 |
| commit | fb12f35545481e8b42bd547bc37d220ffee77f86 (patch) | |
| tree | 1974cbfb50c828db32f08cfedbb09c99cb257254 | |
| parent | d9746fe58ace4a8625983da1ecf68c0564883616 (diff) | |
| download | llvm-fb12f35545481e8b42bd547bc37d220ffee77f86.tar.gz llvm-fb12f35545481e8b42bd547bc37d220ffee77f86.tar.bz2 llvm-fb12f35545481e8b42bd547bc37d220ffee77f86.tar.xz | |
ARM asm parsing should handle pre-indexed writeback w/o immediate.
For example, 'ldrb r9, [sp]!' is odd, but valid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140035 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 30bed29949..7646c5c31c 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -2807,6 +2807,13 @@ parseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { Operands.push_back(ARMOperand::CreateMem(BaseRegNum, 0, 0, ARM_AM::no_shift, 0, false, S, E)); + // If there's a pre-indexing writeback marker, '!', just add it as a token + // operand. It's rather odd, but syntactically valid. + if (Parser.getTok().is(AsmToken::Exclaim)) { + Operands.push_back(ARMOperand::CreateToken("!",Parser.getTok().getLoc())); + Parser.Lex(); // Eat the '!'. + } + return false; } |