diff options
author | atrick <atrick@91177308-0d34-0410-b5e6-96231b3b80d8> | 2012-09-18 03:32:57 +0000 |
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committer | atrick <atrick@91177308-0d34-0410-b5e6-96231b3b80d8> | 2012-09-18 03:32:57 +0000 |
commit | 4a2c9a7d1f9d7340ddac57694fc8c30751aa2cfd (patch) | |
tree | d9a868357a836807ddcdbac1e17c4e79fada1e45 /include | |
parent | 435ddea5198cbfc1fb31defbe055b0ffc552c65e (diff) |
TableGen subtarget emitter. Remove unnecessary header dependence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164094 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r-- | include/llvm/Target/TargetSubtargetInfo.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/include/llvm/Target/TargetSubtargetInfo.h b/include/llvm/Target/TargetSubtargetInfo.h index 90b46edd9f..08c78f2564 100644 --- a/include/llvm/Target/TargetSubtargetInfo.h +++ b/include/llvm/Target/TargetSubtargetInfo.h @@ -14,15 +14,16 @@ #ifndef LLVM_TARGET_TARGETSUBTARGETINFO_H #define LLVM_TARGET_TARGETSUBTARGETINFO_H -#include "llvm/CodeGen/TargetSchedule.h" #include "llvm/MC/MCSubtargetInfo.h" #include "llvm/Support/CodeGen.h" namespace llvm { +class MachineInstr; class SDep; class SUnit; class TargetRegisterClass; +class TargetSchedModel; template <typename T> class SmallVectorImpl; //===----------------------------------------------------------------------===// @@ -44,13 +45,13 @@ public: virtual ~TargetSubtargetInfo(); - /// Initialize a copy of the scheduling model for this subtarget. - /// TargetSchedModel provides the interface for the subtarget's - /// instruction scheduling information. - void initSchedModel(TargetSchedModel &SchedModel, - const TargetInstrInfo *TII) const { - // getSchedModel returns the static MCSchedModel initialized by InitMCSubtargetInfo. - SchedModel.init(*getSchedModel(), this, TII); + /// Resolve a SchedClass at runtime, where SchedClass identifies an + /// MCSchedClassDesc with the isVariant property. This may return the ID of + /// another variant SchedClass, but repeated invocation must quickly terminate + /// in a nonvariant SchedClass. + virtual unsigned resolveSchedClass(unsigned SchedClass, const MachineInstr *MI, + const TargetSchedModel* SchedModel) const { + return 0; } /// getSpecialAddressLatency - For targets where it is beneficial to |