Add Paste Test

This tests TableGen's paste functionality.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142526 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/TableGen/Paste.td b/test/TableGen/Paste.td
new file mode 100644
index 0000000..33d61cc
--- /dev/null
+++ b/test/TableGen/Paste.td
@@ -0,0 +1,35 @@
+// RUN: llvm-tblgen %s | FileCheck %s
+
+class Instr<int i> {
+  int index = i;
+}
+
+multiclass Test {
+  def Vx#NAME#PS : Instr<0>;
+  def Vx#NAME#PD : Instr<1>;
+  def Vy#NAME#PS : Instr<2>;
+  def Vy#NAME#PD : Instr<3>;
+}
+
+defm ADD : Test;
+defm SUB : Test;
+
+// CHECK: VxADDPD
+// CHECK: index = 1;
+// CHECK: VxADDPS
+// CHECK: index = 0;
+
+// CHECK: VxSUBPD
+// CHECK: index = 1;
+// CHECK: VxSUBPS
+// CHECK: index = 0;
+
+// CHECK: VyADDPD
+// CHECK: index = 3;
+// CHECK: VyADDPS
+// CHECK: index = 2;
+
+// CHECK: VySUBPD
+// CHECK: index = 3;
+// CHECK: VySUBPS
+// CHECK: index = 2;