commit 4afc509b7ffe2c4ea234dfd7af5105feb21685d9
author David Greene <greened@obbligato.org> Thu May 14 21:54:42 2009 +0000
committer David Greene <greened@obbligato.org> Thu May 14 21:54:42 2009 +0000
tree e095d38947400d6afe3a6885a236a45e8cc3955a
parent 94555c28462aab05157b41d78505d5753bd97dad

Implement a !subst operation simmilar to $(subst) in GNU make to do
def/var/string substitution on generic pattern templates.  For example:

def Type;
def v4f32 : Type;
def TYPE : Type;

class GenType<Type t> {
  let type = !(subst TYPE, v4f32, t);
}

def TheType : GenType<TYPE>;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71801 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/TGLexer.h

diff --git a/utils/TableGen/TGLexer.h b/utils/TableGen/TGLexer.h
index b95ca95..f152df0 100644
--- a/utils/TableGen/TGLexer.h
+++ b/utils/TableGen/TGLexer.h
@@ -45,7 +45,7 @@
     MultiClass, String,
     
     // !keywords.
-    XConcat, XSRA, XSRL, XSHL, XStrConcat, XNameConcat, XCast, // XSubst,
+    XConcat, XSRA, XSRL, XSHL, XStrConcat, XNameConcat, XCast, XSubst,
     //XForEach,
 
     // Integer value.