AMDGPU: Refactor Subtarget classes
Summary:
This is a follow-up to r335942.
- Merge SISubtarget into AMDGPUSubtarget and rename to GCNSubtarget
- Rename AMDGPUCommonSubtarget to AMDGPUSubtarget
- Merge R600Subtarget::Generation and GCNSubtarget::Generation into
AMDGPUSubtarget::Generation.
Reviewers: arsenm, jvesely
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, javed.absar, llvm-commits
Differential Revision: https://reviews.llvm.org/D49037
llvm-svn: 336851
diff --git a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
index 7d64296..f236f10 100644
--- a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
+++ b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
@@ -40,7 +40,7 @@
GCNHazardRecognizer::GCNHazardRecognizer(const MachineFunction &MF) :
CurrCycleInstr(nullptr),
MF(MF),
- ST(MF.getSubtarget<SISubtarget>()),
+ ST(MF.getSubtarget<GCNSubtarget>()),
TII(*ST.getInstrInfo()),
TRI(TII.getRegisterInfo()),
ClauseUses(TRI.getNumRegUnits()),
@@ -356,13 +356,13 @@
}
int GCNHazardRecognizer::checkSMRDHazards(MachineInstr *SMRD) {
- const SISubtarget &ST = MF.getSubtarget<SISubtarget>();
+ const GCNSubtarget &ST = MF.getSubtarget<GCNSubtarget>();
int WaitStatesNeeded = 0;
WaitStatesNeeded = checkSoftClauseHazards(SMRD);
// This SMRD hazard only affects SI.
- if (ST.getGeneration() != SISubtarget::SOUTHERN_ISLANDS)
+ if (ST.getGeneration() != AMDGPUSubtarget::SOUTHERN_ISLANDS)
return WaitStatesNeeded;
// A read of an SGPR by SMRD instruction requires 4 wait states when the
@@ -399,7 +399,7 @@
}
int GCNHazardRecognizer::checkVMEMHazards(MachineInstr* VMEM) {
- if (ST.getGeneration() < SISubtarget::VOLCANIC_ISLANDS)
+ if (ST.getGeneration() < AMDGPUSubtarget::VOLCANIC_ISLANDS)
return 0;
int WaitStatesNeeded = checkSoftClauseHazards(VMEM);