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Move more PEI-related hooks to TFI

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120229 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2010-11-27 23:05:25 +00:00
parent cd775ceff0
commit 94c5ae0875
31 changed files with 796 additions and 793 deletions
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17
include/llvm/Target/TargetFrameInfo.h
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@@ -24,6 +24,7 @@ namespace llvm {
class MachineFunction;
class MachineBasicBlock;
class MachineMove;
class RegScavenger;
/// Information about stack frame layout on the target. It holds the direction
/// of stack growth, the known stack alignment on entry to each function, and
@@ -172,6 +173,22 @@ public:
/// returned directly, and the base register is returned via FrameReg.
virtual int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const;
/// processFunctionBeforeCalleeSavedScan - This method is called immediately
/// before PrologEpilogInserter scans the physical registers used to determine
/// what callee saved registers should be spilled. This method is optional.
virtual void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS = NULL) const {
}
/// processFunctionBeforeFrameFinalized - This method is called immediately
/// before the specified function's frame layout (MF.getFrameInfo()) is
/// finalized. Once the frame is finalized, MO_FrameIndex operands are
/// replaced with direct constants. This method is optional.
///
virtual void processFunctionBeforeFrameFinalized(MachineFunction &MF) const {
}
};
} // End llvm namespace

15
include/llvm/Target/TargetRegisterInfo.h
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@@ -678,21 +678,6 @@ public:
assert(0 && "Call Frame Pseudo Instructions do not exist on this target!");
}
/// processFunctionBeforeCalleeSavedScan - This method is called immediately
/// before PrologEpilogInserter scans the physical registers used to determine
/// what callee saved registers should be spilled. This method is optional.
virtual void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS = NULL) const {
}
/// processFunctionBeforeFrameFinalized - This method is called immediately
/// before the specified function's frame layout (MF.getFrameInfo()) is
/// finalized. Once the frame is finalized, MO_FrameIndex operands are
/// replaced with direct constants. This method is optional.
///
virtual void processFunctionBeforeFrameFinalized(MachineFunction &MF) const {
}
/// saveScavengerRegister - Spill the register so it can be used by the
/// register scavenger. Return true if the register was spilled, false