move target independent calling convention stuff to TargetCallingConv.td
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34659 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetCallingConv.td b/lib/Target/TargetCallingConv.td
new file mode 100644
index 0000000..3dcd745
--- /dev/null
+++ b/lib/Target/TargetCallingConv.td
@@ -0,0 +1,71 @@
+//===- TargetCallingConv.td - Target Calling Conventions ---*- tablegen -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the target-independent interfaces with which targets
+// describe their calling conventions.
+//
+//===----------------------------------------------------------------------===//
+
+class CCAction;
+class CallingConv;
+
+/// CCPredicateAction - Instances of this class check some predicate, then
+/// delegate to another action if the predicate is true.
+class CCPredicateAction<CCAction A> : CCAction {
+ CCAction SubAction = A;
+}
+
+/// CCMatchType - If the current argument is one of the specified types, apply
+/// Action A.
+class CCMatchType<list<ValueType> VTs, CCAction A> : CCPredicateAction<A> {
+}
+
+/// CCMatchIf - If the predicate matches, apply A.
+class CCMatchIf<string predicate, CCAction A> : CCPredicateAction<A> {
+ string Predicate = predicate;
+}
+
+/// CCMatchIfCC - Match of the current calling convention is 'CC'.
+class CCMatchIfCC<string CC, CCAction A> : CCPredicateAction<A> {
+ string CallingConv = CC;
+}
+
+/// CCAssignToReg - This action matches if there is a register in the specified
+/// list that is still available. If so, it assigns the value to the first
+/// available register and succeeds.
+class CCAssignToReg<list<Register> regList> : CCAction {
+ list<Register> RegList = regList;
+}
+
+/// CCAssignToStack - This action always matches: it assigns the value to a
+/// stack slot of the specified size and alignment on the stack.
+class CCAssignToStack<int size, int align> : CCAction {
+ int Size = size;
+ int Align = align;
+}
+
+
+/// CCPromoteToType - If applied, this promotes the specified current value to
+/// the specified type.
+class CCPromoteToType<ValueType destTy> : CCAction {
+ ValueType DestTy = destTy;
+}
+
+/// CCDelegateTo - This action invokes the specified sub-calling-convention. It
+/// is successful if the specified CC matches.
+class CCDelegateTo<CallingConv cc> : CCAction {
+ CallingConv CC = cc;
+}
+
+/// CallingConv - An instance of this is used to define each calling convention
+/// that the target supports.
+class CallingConv<list<CCAction> actions> {
+ list<CCAction> Actions = actions;
+}
+