[AMDGPU] separate accounting for agprs

Account and report agprs separately on gfx908. Other targets
do not change the reporting.

Differential Revision: https://reviews.llvm.org/D68307

llvm-svn: 373411
diff --git a/llvm/lib/Target/AMDGPU/SIProgramInfo.h b/llvm/lib/Target/AMDGPU/SIProgramInfo.h
index 94ebe693..7c039a5 100644
--- a/llvm/lib/Target/AMDGPU/SIProgramInfo.h
+++ b/llvm/lib/Target/AMDGPU/SIProgramInfo.h
@@ -41,6 +41,8 @@
     uint64_t ComputePGMRSrc2 = 0;
 
     uint32_t NumVGPR = 0;
+    uint32_t NumArchVGPR = 0;
+    uint32_t NumAccVGPR = 0;
     uint32_t NumSGPR = 0;
     uint32_t LDSSize = 0;
     bool FlatUsed = false;