Teach tablegen to allow "let" expressions inside multiclasses,
providing more ways to factor out commonality from the records.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105776 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/TableGen/LetInsideMultiClasses.td b/test/TableGen/LetInsideMultiClasses.td
new file mode 100644
index 0000000..9238bf4
--- /dev/null
+++ b/test/TableGen/LetInsideMultiClasses.td
@@ -0,0 +1,29 @@
+// RUN: tblgen %s | grep "bit IsDouble = 1;" | count 3
+// XFAIL: vg_leak
+
+class Instruction<bits<4> opc, string Name> {
+ bits<4> opcode = opc;
+ string name = Name;
+ bit IsDouble = 0;
+}
+
+multiclass basic_r<bits<4> opc> {
+ let name = "newname" in {
+ def rr : Instruction<opc, "rr">;
+ def rm : Instruction<opc, "rm">;
+ }
+
+ let name = "othername" in
+ def rx : Instruction<opc, "rx">;
+}
+
+multiclass basic_ss<bits<4> opc> {
+ let IsDouble = 0 in
+ defm SS : basic_r<opc>;
+
+ let IsDouble = 1 in
+ defm SD : basic_r<opc>;
+}
+
+defm ADD : basic_ss<0xf>;
+