6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-05-15 00:38:42 +00:00
Code Issues Projects Releases Wiki Activity

Remove TargetRegisterInfo::NoRegister.

Browse Source 
Fix the TargetRegisterInfo::NoRegister places where someone preferred
typing 'TargetRegisterInfo::NoRegister' instead of typing '0'.

Note that TableGen is already emitting xx::NoRegister in xxGenRegisterNames.inc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123140 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-01-09 23:20:48 +00:00
parent bd9d53cc65
commit b79cb79a46
1 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
include/llvm/Target/TargetRegisterInfo.h
View File

@ -295,11 +295,16 @@ protected:
virtual ~TargetRegisterInfo(); virtual ~TargetRegisterInfo();
public: public:
enum { // Define some target independent constants // Register numbers can represent physical registers, virtual registers, and
/// NoRegister - This physical register is not a real target register. It // sometimes stack slots. The unsigned values are divided into these ranges:
/// is useful as a sentinel. //
NoRegister = 0 // 0 Not a register, can be used as a sentinel.
}; // [1;2^30) Physical registers assigned by TableGen.
// [2^30;2^31) Stack slots. (Rarely used.)
// [2^31;2^32) Virtual registers assigned by MachineRegisterInfo.
//
// Further sentinels can be allocated from the small negative integers.
// DenseMapInfo<unsigned> uses -1u and -2u.
/// isStackSlot - Sometimes it is useful the be able to store a non-negative /// isStackSlot - Sometimes it is useful the be able to store a non-negative
/// frame index in a variable that normally holds a register. isStackSlot() /// frame index in a variable that normally holds a register. isStackSlot()