AMDGPU: Add core backend files for R600/SI codegen v6

llvm-svn: 160270

1 files changed, 128 insertions, 0 deletions

diff --git a/llvm/lib/Target/AMDGPU/AMDIL7XXDevice.cpp b/llvm/lib/Target/AMDGPU/AMDIL7XXDevice.cpp
new file mode 100644
index 00000000000..3f2f8211f12
--- /dev/null
+++ b/llvm/lib/Target/AMDGPU/AMDIL7XXDevice.cpp
@@ -0,0 +1,128 @@
+//===-- AMDIL7XXDevice.cpp - Device Info for 7XX GPUs ---------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//==-----------------------------------------------------------------------===//
+#include "AMDIL7XXDevice.h"
+#include "AMDILDevice.h"
+
+using namespace llvm;
+
+AMDIL7XXDevice::AMDIL7XXDevice(AMDILSubtarget *ST) : AMDILDevice(ST)
+{
+  setCaps();
+  std::string name = mSTM->getDeviceName();
+  if (name == "rv710") {
+    mDeviceFlag = OCL_DEVICE_RV710;
+  } else if (name == "rv730") {
+    mDeviceFlag = OCL_DEVICE_RV730;
+  } else {
+    mDeviceFlag = OCL_DEVICE_RV770;
+  }
+}
+
+AMDIL7XXDevice::~AMDIL7XXDevice()
+{
+}
+
+void AMDIL7XXDevice::setCaps()
+{
+  mSWBits.set(AMDILDeviceInfo::LocalMem);
+}
+
+size_t AMDIL7XXDevice::getMaxLDSSize() const
+{
+  if (usesHardware(AMDILDeviceInfo::LocalMem)) {
+    return MAX_LDS_SIZE_700;
+  }
+  return 0;
+}
+
+size_t AMDIL7XXDevice::getWavefrontSize() const
+{
+  return AMDILDevice::HalfWavefrontSize;
+}
+
+uint32_t AMDIL7XXDevice::getGeneration() const
+{
+  return AMDILDeviceInfo::HD4XXX;
+}
+
+uint32_t AMDIL7XXDevice::getResourceID(uint32_t DeviceID) const
+{
+  switch (DeviceID) {
+  default:
+    assert(0 && "ID type passed in is unknown!");
+    break;
+  case GLOBAL_ID:
+  case CONSTANT_ID:
+  case RAW_UAV_ID:
+  case ARENA_UAV_ID:
+    break;
+  case LDS_ID:
+    if (usesHardware(AMDILDeviceInfo::LocalMem)) {
+      return DEFAULT_LDS_ID;
+    }
+    break;
+  case SCRATCH_ID:
+    if (usesHardware(AMDILDeviceInfo::PrivateMem)) {
+      return DEFAULT_SCRATCH_ID;
+    }
+    break;
+  case GDS_ID:
+    assert(0 && "GDS UAV ID is not supported on this chip");
+    if (usesHardware(AMDILDeviceInfo::RegionMem)) {
+      return DEFAULT_GDS_ID;
+    }
+    break;
+  };
+
+  return 0;
+}
+
+uint32_t AMDIL7XXDevice::getMaxNumUAVs() const
+{
+  return 1;
+}
+
+AMDIL770Device::AMDIL770Device(AMDILSubtarget *ST): AMDIL7XXDevice(ST)
+{
+  setCaps();
+}
+
+AMDIL770Device::~AMDIL770Device()
+{
+}
+
+void AMDIL770Device::setCaps()
+{
+  if (mSTM->isOverride(AMDILDeviceInfo::DoubleOps)) {
+    mSWBits.set(AMDILDeviceInfo::FMA);
+    mHWBits.set(AMDILDeviceInfo::DoubleOps);
+  }
+  mSWBits.set(AMDILDeviceInfo::BarrierDetect);
+  mHWBits.reset(AMDILDeviceInfo::LongOps);
+  mSWBits.set(AMDILDeviceInfo::LongOps);
+  mSWBits.set(AMDILDeviceInfo::LocalMem);
+}
+
+size_t AMDIL770Device::getWavefrontSize() const
+{
+  return AMDILDevice::WavefrontSize;
+}
+
+AMDIL710Device::AMDIL710Device(AMDILSubtarget *ST) : AMDIL7XXDevice(ST)
+{
+}
+
+AMDIL710Device::~AMDIL710Device()
+{
+}
+
+size_t AMDIL710Device::getWavefrontSize() const
+{
+  return AMDILDevice::QuarterWavefrontSize;
+}