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(parent: 182c34b) | patch
ARM assembly 'cmp lr, #0' should not encode using 'cmn'.
authorJim Grosbach <grosbach@apple.com>
Thu, 29 Mar 2012 21:19:52 +0000 (21:19 +0000)
committerJim Grosbach <grosbach@apple.com>
Thu, 29 Mar 2012 21:19:52 +0000 (21:19 +0000)
commitb22e70d835a88753d3ec6d5ee5e85b23fa6834b1
tree86cdc191654ccb6339c2c4693f42edc9337d1537tree | snapshot
parent182c34b12153f9aaea75af2b1efc51969c3d7e80commit | diff
ARM assembly 'cmp lr, #0' should not encode using 'cmn'.

The CMP->CMN alias was matching for an immediate of zero when it
should only match for negative values.

rdar://11129224

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153689 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMInstrInfo.td diff | blob | history
lib/Target/ARM/ARMInstrThumb2.td diff | blob | history
lib/Target/ARM/AsmParser/ARMAsmParser.cpp diff | blob | history
test/MC/ARM/basic-arm-instructions.s diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors