AMDGPU: Annotate implicitarg.ptr usage

We need to pass something to functions for this to work.
It isn't derivable just from the kernarg segment pointer
because the implicit arguments are placed after the
kernel arguments.

Also fixes missing test for the intrinsic.

llvm-svn: 309398

1 files changed, 4 insertions, 2 deletions

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp
index c68e5861ff2..551737c1d27 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp
@@ -156,8 +156,9 @@ static StringRef intrinsicToAttrName(Intrinsic::ID ID,
   case Intrinsic::amdgcn_dispatch_id:
     return "amdgpu-dispatch-id";
   case Intrinsic::amdgcn_kernarg_segment_ptr:
-  case Intrinsic::amdgcn_implicitarg_ptr:
     return "amdgpu-kernarg-segment-ptr";
+  case Intrinsic::amdgcn_implicitarg_ptr:
+    return "amdgpu-implicitarg-ptr";
   case Intrinsic::amdgcn_queue_ptr:
   case Intrinsic::trap:
   case Intrinsic::debugtrap:
@@ -190,7 +191,8 @@ static void copyFeaturesToFunction(Function &Parent, const Function &Callee,
     { "amdgpu-work-group-id-z" },
     { "amdgpu-dispatch-ptr" },
     { "amdgpu-dispatch-id" },
-    { "amdgpu-kernarg-segment-ptr" }
+    { "amdgpu-kernarg-segment-ptr" },
+    { "amdgpu-implicitarg-ptr" }
   };
 
   if (handleAttr(Parent, Callee, "amdgpu-queue-ptr"))