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[ms-inline-asm][AVX512] Add ability to use k registers in MS inline a…
…sm + fix bag with curly braces Until now curly braces could only be used in MS inline assembly to mark block start/end. All curly braces were removed completely at a very early stage. This approach caused bugs like: "m{o}v eax, ebx" turned into "mov eax, ebx" without any error. In addition, AVX-512 added special operands (e.g., k registers), which are also surrounded by curly braces that mark them as such. Now, we need to keep the curly braces and identify at a later stage if they are marking block start/end (if so, ignore them), or surrounding special AVX-512 operands (if so, parse them as such). This patch fixes the bug described above and enables the use of AVX-512 special operands. This commit is the the llvm part of the patch. The clang part of the review is: http://reviews.llvm.org/D17766 The llvm part of the review is: http://reviews.llvm.org/D17767 Differential Revision: http://reviews.llvm.org/D17767 llvm-svn: 262843
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Marina Yatsina
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Mar 7, 2016
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