R600: Implement getPointerWidthV()

This fixes a crash in the OCL_ImgProc/Canny OpenCV test.

NOTE: This is a candidate for the 3.5 branch.
llvm-svn: 216181

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 24b415d193b..d1eba5af470 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1469,6 +1469,9 @@ static const unsigned R600AddrSpaceMap[] = {
   3     // cuda_shared
 };
 
+// If you edit the description strings, make sure you update
+// getPointerWidthV().
+
 static const char *DescriptionStringR600 =
   "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128"
   "-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64";
@@ -1508,6 +1511,20 @@ public:
     UseAddrSpaceMapMangling = true;
   }
 
+  uint64_t getPointerWidthV(unsigned AddrSpace) const override {
+    if (GPU <= GK_CAYMAN)
+      return 32;
+
+    switch(AddrSpace) {
+      default:
+        return 64;
+      case 0:
+      case 3:
+      case 5:
+        return 32;
+    }
+  }
+
   const char * getClobbers() const override {
     return "";
   }