R600: Add local memory support via LDS

Reviewed-by: Vincent Lejeune<vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185162 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/R600/AMDGPUAsmPrinter.cpp b/lib/Target/R600/AMDGPUAsmPrinter.cpp
index f720c7e..996d2a6 100644
--- a/lib/Target/R600/AMDGPUAsmPrinter.cpp
+++ b/lib/Target/R600/AMDGPUAsmPrinter.cpp
@@ -29,6 +29,7 @@
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/Support/ELF.h"
+#include "llvm/Support/MathExtras.h"
 #include "llvm/Support/TargetRegistry.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 
@@ -130,6 +131,11 @@
                            S_STACK_SIZE(MFI->StackSize), 4);
   OutStreamer.EmitIntValue(R_02880C_DB_SHADER_CONTROL, 4);
   OutStreamer.EmitIntValue(S_02880C_KILL_ENABLE(killPixel), 4);
+
+  if (MFI->ShaderType == ShaderType::COMPUTE) {
+    OutStreamer.EmitIntValue(R_0288E8_SQ_LDS_ALLOC, 4);
+    OutStreamer.EmitIntValue(RoundUpToAlignment(MFI->LDSSize, 4) >> 2, 4);
+  }
 }
 
 void AMDGPUAsmPrinter::EmitProgramInfoSI(MachineFunction &MF) {