Add an !eq() operator to TableGen. It operates on strings only.

Use !cast<string>() to compare other types of objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92754 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/test/TableGen/eq.td b/test/TableGen/eq.td
new file mode 100644
index 00000000000..8ba6d7ec833
--- /dev/null
+++ b/test/TableGen/eq.td
@@ -0,0 +1,13 @@
+// RUN: tblgen %s | FileCheck %s
+// CHECK: Value = 0
+// CHECK: Value = 1
+
+class Base<int V> {
+  int Value = V;
+}
+
+class Derived<string Truth> :
+  Base<!if(!eq(Truth, "true"), 1, 0)>;
+
+def TRUE : Derived<"true">;
+def FALSE : Derived<"false">;