[LLVMdev] [PATCH ]Add Subtarget ptx23

[陳韋任]

Hi, Justin

  PTX version in CUDA 4.0 has changed from 2.2 to 2.3.
I add ptx23 subtarget and update a testcase.

  Is that O.K.?

Regards,
chenwj

-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
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Index: test/CodeGen/PTX/options.ll
===================================================================
--- test/CodeGen/PTX/options.ll	(revision 130978)
+++ test/CodeGen/PTX/options.ll	(working copy)
@@ -1,6 +1,7 @@
 ; RUN: llc < %s -march=ptx32 -mattr=ptx20 | grep ".version 2.0"
 ; RUN: llc < %s -march=ptx32 -mattr=ptx21 | grep ".version 2.1"
 ; RUN: llc < %s -march=ptx32 -mattr=ptx22 | grep ".version 2.2"
+; RUN: llc < %s -march=ptx32 -mattr=ptx23 | grep ".version 2.3"
 ; RUN: llc < %s -march=ptx32 -mattr=sm10 | grep ".target sm_10"
 ; RUN: llc < %s -march=ptx32 -mattr=sm13 | grep ".target sm_13"
 ; RUN: llc < %s -march=ptx32 -mattr=sm20 | grep ".target sm_20"
Index: lib/Target/PTX/PTX.td
===================================================================
--- lib/Target/PTX/PTX.td	(revision 130978)
+++ lib/Target/PTX/PTX.td	(working copy)
@@ -38,6 +38,10 @@
                                     "Use PTX Language Version 2.2",
                                     [FeaturePTX21]>;
 
+def FeaturePTX23 : SubtargetFeature<"ptx23", "PTXVersion", "PTX_VERSION_2_3",
+                                    "Use PTX Language Version 2.3",
+                                    [FeaturePTX22]>;
+
 //===- PTX Shader Model ---------------------------------------------------===//
 
 def FeatureSM10 : SubtargetFeature<"sm10", "PTXShaderModel", "PTX_SM_1_0",
Index: lib/Target/PTX/PTXSubtarget.h
===================================================================
--- lib/Target/PTX/PTXSubtarget.h	(revision 130978)
+++ lib/Target/PTX/PTXSubtarget.h	(working copy)
@@ -37,7 +37,8 @@
       enum PTXVersionEnum {
         PTX_VERSION_2_0,  /*< PTX Version 2.0 */
         PTX_VERSION_2_1,  /*< PTX Version 2.1 */
-        PTX_VERSION_2_2   /*< PTX Version 2.2 */
+        PTX_VERSION_2_2,  /*< PTX Version 2.2 */
+        PTX_VERSION_2_3   /*< PTX Version 2.3 */
       };
 
       /// Shader Model supported on the target GPU.
Index: lib/Target/PTX/PTXSubtarget.cpp
===================================================================
--- lib/Target/PTX/PTXSubtarget.cpp	(revision 130978)
+++ lib/Target/PTX/PTXSubtarget.cpp	(working copy)
@@ -41,6 +41,7 @@
     case PTX_VERSION_2_0: return "2.0";
     case PTX_VERSION_2_1: return "2.1";
     case PTX_VERSION_2_2: return "2.2";
+    case PTX_VERSION_2_3: return "2.3";
   }
 }