commit 0ff4287fe2245f417ed78fa535fce360b8b8df23
author Justin Holewinski <jholewinski@nvidia.com> Fri Jun 21 18:51:49 2013 +0000
committer Justin Holewinski <jholewinski@nvidia.com> Fri Jun 21 18:51:49 2013 +0000
tree e70770e354d723b8320b18a505138396f514a9ee
parent c22e02b1f41387e791a08f1715e877e4fd86ca87

[NVPTX] Add support for selecting CUDA vs OCL mode based on triple

IR for CUDA should use "nvptx[64]-nvidia-cuda", and IR for NV OpenCL should use "nvptx[64]-nvidia-nvcl"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184579 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Support/Triple.cpp

diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 7c02ffb..3b1bff9 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -104,6 +104,7 @@
   case BGQ: return "bgq";
   case Freescale: return "fsl";
   case IBM: return "ibm";
+  case NVIDIA: return "nvidia";
   }
 
   llvm_unreachable("Invalid VendorType!");
@@ -135,6 +136,8 @@
   case CNK: return "cnk";
   case Bitrig: return "bitrig";
   case AIX: return "aix";
+  case CUDA: return "cuda";
+  case NVCL: return "nvcl";
   }
 
   llvm_unreachable("Invalid OSType");
@@ -260,6 +263,7 @@
     .Case("bgq", Triple::BGQ)
     .Case("fsl", Triple::Freescale)
     .Case("ibm", Triple::IBM)
+    .Case("nvidia", Triple::NVIDIA)
     .Default(Triple::UnknownVendor);
 }
 
@@ -287,6 +291,8 @@
     .StartsWith("cnk", Triple::CNK)
     .StartsWith("bitrig", Triple::Bitrig)
     .StartsWith("aix", Triple::AIX)
+    .StartsWith("cuda", Triple::CUDA)
+    .StartsWith("nvcl", Triple::NVCL)
     .Default(Triple::UnknownOS);
 }
 

lib/Target/NVPTX/NVPTX.h

diff --git a/lib/Target/NVPTX/NVPTX.h b/lib/Target/NVPTX/NVPTX.h
index 179dc27..85cdb8b 100644
--- a/lib/Target/NVPTX/NVPTX.h
+++ b/lib/Target/NVPTX/NVPTX.h
@@ -77,8 +77,7 @@
 namespace NVPTX {
 enum DrvInterface {
   NVCL,
-  CUDA,
-  TEST
+  CUDA
 };
 
 // A field inside TSFlags needs a shift and a mask. The usage is

lib/Target/NVPTX/NVPTXSubtarget.cpp

diff --git a/lib/Target/NVPTX/NVPTXSubtarget.cpp b/lib/Target/NVPTX/NVPTXSubtarget.cpp
index 2dcd73d..c4d0d6e 100644
--- a/lib/Target/NVPTX/NVPTXSubtarget.cpp
+++ b/lib/Target/NVPTX/NVPTXSubtarget.cpp
@@ -19,23 +19,18 @@
 
 using namespace llvm;
 
-// Select Driver Interface
-#include "llvm/Support/CommandLine.h"
-namespace {
-cl::opt<NVPTX::DrvInterface> DriverInterface(
-    cl::desc("Choose driver interface:"),
-    cl::values(clEnumValN(NVPTX::NVCL, "drvnvcl", "Nvidia OpenCL driver"),
-               clEnumValN(NVPTX::CUDA, "drvcuda", "Nvidia CUDA driver"),
-               clEnumValN(NVPTX::TEST, "drvtest", "Plain Test"), clEnumValEnd),
-    cl::init(NVPTX::NVCL));
-}
 
 NVPTXSubtarget::NVPTXSubtarget(const std::string &TT, const std::string &CPU,
                                const std::string &FS, bool is64Bit)
     : NVPTXGenSubtargetInfo(TT, CPU, FS), Is64Bit(is64Bit), PTXVersion(0),
       SmVersion(20) {
 
-  drvInterface = DriverInterface;
+  Triple T(TT);
+
+  if (T.getOS() == Triple::NVCL)
+    drvInterface = NVPTX::NVCL;
+  else
+    drvInterface = NVPTX::CUDA;
 
   // Provide the default CPU if none
   std::string defCPU = "sm_20";