AMDGPU: Add a shader calling convention

This makes it possible to distinguish between mesa shaders
and other kernels even in the presence of compute shaders.

Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

Differential Revision: http://reviews.llvm.org/D18559

llvm-svn: 265589

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index 369dbb38f7c..c8543206e21 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -1616,6 +1616,12 @@ bool LLParser::ParseOptionalDLLStorageClass(unsigned &Res) {
 ///   ::= 'hhvmcc'
 ///   ::= 'hhvm_ccc'
 ///   ::= 'cxx_fast_tlscc'
+///   ::= 'amdgpu_vs'
+///   ::= 'amdgpu_tcs'
+///   ::= 'amdgpu_tes'
+///   ::= 'amdgpu_gs'
+///   ::= 'amdgpu_ps'
+///   ::= 'amdgpu_cs'
 ///   ::= 'cc' UINT
 ///
 bool LLParser::ParseOptionalCallingConv(unsigned &CC) {
@@ -1651,6 +1657,10 @@ bool LLParser::ParseOptionalCallingConv(unsigned &CC) {
   case lltok::kw_hhvmcc:         CC = CallingConv::HHVM; break;
   case lltok::kw_hhvm_ccc:       CC = CallingConv::HHVM_C; break;
   case lltok::kw_cxx_fast_tlscc: CC = CallingConv::CXX_FAST_TLS; break;
+  case lltok::kw_amdgpu_vs:      CC = CallingConv::AMDGPU_VS; break;
+  case lltok::kw_amdgpu_gs:      CC = CallingConv::AMDGPU_GS; break;
+  case lltok::kw_amdgpu_ps:      CC = CallingConv::AMDGPU_PS; break;
+  case lltok::kw_amdgpu_cs:      CC = CallingConv::AMDGPU_CS; break;
   case lltok::kw_cc: {
       Lex.Lex();
       return ParseUInt32(CC);