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-rw-r--r--lib/Target/R600/AMDGPUSubtarget.h42
1 files changed, 36 insertions, 6 deletions
diff --git a/lib/Target/R600/AMDGPUSubtarget.h b/lib/Target/R600/AMDGPUSubtarget.h
index f71d80a..1b0122c 100644
--- a/lib/Target/R600/AMDGPUSubtarget.h
+++ b/lib/Target/R600/AMDGPUSubtarget.h
@@ -20,7 +20,6 @@
#include "AMDGPUIntrinsicInfo.h"
#include "AMDGPUSubtarget.h"
#include "R600ISelLowering.h"
-#include "llvm/IR/DataLayout.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Target/TargetSubtargetInfo.h"
@@ -30,6 +29,8 @@
namespace llvm {
+class SIMachineFunctionInfo;
+
class AMDGPUSubtarget : public AMDGPUGenSubtargetInfo {
public:
@@ -39,7 +40,8 @@ public:
EVERGREEN,
NORTHERN_ISLANDS,
SOUTHERN_ISLANDS,
- SEA_ISLANDS
+ SEA_ISLANDS,
+ VOLCANIC_ISLANDS,
};
private:
@@ -53,6 +55,7 @@ private:
bool FP64;
bool FP64Denormals;
bool FP32Denormals;
+ bool FastFMAF32;
bool CaymanISA;
bool FlatAddressSpace;
bool EnableIRStructurizer;
@@ -62,16 +65,18 @@ private:
unsigned WavefrontSize;
bool CFALUBug;
int LocalMemorySize;
+ bool EnableVGPRSpilling;
- const DataLayout DL;
AMDGPUFrameLowering FrameLowering;
std::unique_ptr<AMDGPUTargetLowering> TLInfo;
std::unique_ptr<AMDGPUInstrInfo> InstrInfo;
InstrItineraryData InstrItins;
+ Triple TargetTriple;
public:
AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS, TargetMachine &TM);
- AMDGPUSubtarget &initializeSubtargetDependencies(StringRef GPU, StringRef FS);
+ AMDGPUSubtarget &initializeSubtargetDependencies(StringRef TT, StringRef GPU,
+ StringRef FS);
const AMDGPUFrameLowering *getFrameLowering() const override {
return &FrameLowering;
@@ -85,7 +90,6 @@ public:
AMDGPUTargetLowering *getTargetLowering() const override {
return TLInfo.get();
}
- const DataLayout *getDataLayout() const override { return &DL; }
const InstrItineraryData *getInstrItineraryData() const override {
return &InstrItins;
}
@@ -124,6 +128,10 @@ public:
return FP64Denormals;
}
+ bool hasFastFMAF32() const {
+ return FastFMAF32;
+ }
+
bool hasFlatAddressSpace() const {
return FlatAddressSpace;
}
@@ -198,10 +206,16 @@ public:
return LocalMemorySize;
}
+ unsigned getAmdKernelCodeChipID() const;
+
bool enableMachineScheduler() const override {
- return getGeneration() <= NORTHERN_ISLANDS;
+ return true;
}
+ void overrideSchedPolicy(MachineSchedPolicy &Policy,
+ MachineInstr *begin, MachineInstr *end,
+ unsigned NumRegionInstrs) const override;
+
// Helper functions to simplify if statements
bool isTargetELF() const {
return false;
@@ -217,6 +231,22 @@ public:
bool r600ALUEncoding() const {
return R600ALUInst;
}
+ bool isAmdHsaOS() const {
+ return TargetTriple.getOS() == Triple::AMDHSA;
+ }
+ bool isVGPRSpillingEnabled(const SIMachineFunctionInfo *MFI) const;
+
+ unsigned getMaxWavesPerCU() const {
+ if (getGeneration() >= AMDGPUSubtarget::SOUTHERN_ISLANDS)
+ return 10;
+
+ // FIXME: Not sure what this is for other subtagets.
+ llvm_unreachable("do not know max waves per CU for this subtarget.");
+ }
+
+ bool enableSubRegLiveness() const override {
+ return false;
+ }
};
} // End namespace llvm