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Add @earlyclobber TableGen constraint

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91554 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2009-12-16 19:43:02 +00:00
parent 0a0124e4f6
commit 06801722a4
3 changed files with 48 additions and 9 deletions
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5
include/llvm/Target/TargetInstrDesc.h
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@@ -25,9 +25,10 @@ class TargetRegisterInfo;
//===----------------------------------------------------------------------===//
namespace TOI {
// Operand constraints: only "tied_to" for now.
// Operand constraints
enum OperandConstraint {
TIED_TO = 0 // Must be allocated the same register as.
TIED_TO = 0, // Must be allocated the same register as.
EARLY_CLOBBER // Operand is an early clobber register operand
};
/// OperandFlags - These are flags set on operands, but should be considered