vendor/llvm/llvm-trunk-r238337

1 files changed, 20 insertions, 0 deletions

diff --git a/include/llvm/Target/Target.td b/include/llvm/Target/Target.td
index 6c970d0c19db2..ec8a12df9fc66 100644
--- a/include/llvm/Target/Target.td
+++ b/include/llvm/Target/Target.td
@@ -207,6 +207,12 @@ class RegisterClass<string namespace, list<ValueType> regTypes, int alignment,
   // The function should return 0 to select the default order defined by
   // MemberList, 1 to select the first AltOrders entry and so on.
   code AltOrderSelect = [{}];
+
+  // Specify allocation priority for register allocators using a greedy
+  // heuristic. Classes with higher priority values are assigned first. This is
+  // useful as it is sometimes beneficial to assign registers to highly
+  // constrained classes first. The value has to be in the range [0,63].
+  int AllocationPriority = 0;
 }
 
 // The memberList in a RegisterClass is a dag of set operations. TableGen
@@ -1000,6 +1006,15 @@ class InstAlias<string Asm, dag Result, int Emit = 1> {
 
   // Predicates - Predicates that must be true for this to match.
   list<Predicate> Predicates = [];
+
+	// If the instruction specified in Result has defined an AsmMatchConverter
+  // then setting this to 1 will cause the alias to use the AsmMatchConverter
+  // function when converting the OperandVector into an MCInst instead of the
+  // function that is generated by the dag Result.
+  // Setting this to 0 will cause the alias to ignore the Result instruction's
+  // defined AsmMatchConverter and instead use the function generated by the
+  // dag Result.
+  bit UseInstAsmMatchConverter = 1;
 }
 
 //===----------------------------------------------------------------------===//
@@ -1015,6 +1030,11 @@ class AsmWriter {
   // name.
   string AsmWriterClassName  = "InstPrinter";
 
+  // PassSubtarget - Determines whether MCSubtargetInfo should be passed to
+  // the various print methods.
+  // FIXME: Remove after all ports are updated.
+  int PassSubtarget = 0;
+
   // Variant - AsmWriters can be of multiple different variants.  Variants are
   // used to support targets that need to emit assembly code in ways that are
   // mostly the same for different targets, but have minor differences in