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(parent: f14a648) | patch
Make %EFLAGS unallocatable.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Tue, 31 Aug 2010 21:51:07 +0000 (21:51 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Tue, 31 Aug 2010 21:51:07 +0000 (21:51 +0000)
commit63b1dbaadd4bb70a6fcb84db880fc34d72b9a956
tree8b727b005bb4962e878efdd8f6a93dc83ac0aaf1tree | snapshot
parentf14a648d80bcb45fa07db35f8f1f58e47111dc9ecommit | diff
Make %EFLAGS unallocatable.

No CCR virtual registers should exist, and %EFLAGS is used in ways that can
surprise RegAllocFast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112650 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86RegisterInfo.td diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors