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Remove RegisterClassInfo::isReserved() and isAllocatable().

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Clients can use the equivalent functions in MRI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-10-15 22:41:03 +00:00
parent 6c0e04c823
commit 14d1dd95c7
7 changed files with 18 additions and 36 deletions
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19
include/llvm/CodeGen/RegisterClassInfo.h
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@@ -106,25 +106,6 @@ public:
return CalleeSaved[N-1];
return 0;
}
/// isReserved - Returns true when PhysReg is a reserved register.
///
/// Reserved registers may belong to an allocatable register class, but the
/// target has explicitly requested that they are not used.
///
bool isReserved(unsigned PhysReg) const {
return Reserved.test(PhysReg);
}
/// isAllocatable - Returns true when PhysReg belongs to an allocatable
/// register class and it hasn't been reserved.
///
/// Allocatable registers may show up in the allocation order of some virtual
/// register, so a register allocator needs to track its liveness and
/// availability.
bool isAllocatable(unsigned PhysReg) const {
return TRI->isInAllocatableClass(PhysReg) && !isReserved(PhysReg);
}
};
} // end namespace llvm