Add a !patsubst operator. Use on string types.

llvm-svn: 73099

1 files changed, 15 insertions, 0 deletions

diff --git a/llvm/test/TableGen/patsubst.td b/llvm/test/TableGen/patsubst.td
new file mode 100644
index 00000000000..0a7b3d8219d
--- /dev/null
+++ b/llvm/test/TableGen/patsubst.td
@@ -0,0 +1,15 @@
+// RUN: tblgen %s | grep {Match1 = "v4f32"} | count 1
+// RUN: tblgen %s | grep {Match2 = "v2f64"} | count 1
+// RUN: tblgen %s | grep {Match3 = "v4f32 add"} | count 1
+// RUN: tblgen %s | grep {Match4 = "v2f64 add"} | count 1
+
+class Foo<string v> {
+      string Value = v;
+      string Match1 = !patsubst(".*ps$", "v4f32", v);
+      string Match2 = !patsubst(".*pd$", "v2f64", v);
+      string Match3 = !patsubst("(.*)ps$", "v4f32 $1", v);
+      string Match4 = !patsubst("(.*)pd$", "v2f64 $1", v);
+}
+
+def Bar : Foo<"addps">;
+def Baz : Foo<"addpd">;