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(parent: 5ea4a54) | patch
x86: add implicit defs for cpuid
authorReid Kleckner <reid@kleckner.net>
Tue, 28 Jan 2014 02:08:22 +0000 (02:08 +0000)
committerReid Kleckner <reid@kleckner.net>
Tue, 28 Jan 2014 02:08:22 +0000 (02:08 +0000)
commit1386d3f8855903aea2dc3e0eb43c53a80cd37382
tree154df05920eeca3a6ac3ad522fd273015b59b5f5tree | snapshot
parent5ea4a545518b5fe1dbd1decc6435c8de35ec9ed1commit | diff
x86: add implicit defs for cpuid

This avoids miscompiling MS inline asm in LLVM where we have to infer
clobbers.  Test case forthcoming in Clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200279 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86InstrSystem.td diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors