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Rewrite stack callee saved spills and restores to use push/pop instructions.

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Remove movePastCSLoadStoreOps and associated code for simple pointer
increments. Update routines that depended upon other opcodes for save/restore.

Adjust all testcases accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119725 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2010-11-18 19:40:05 +00:00
parent 9fe010ecf8
commit 8b3ca6216d
7 changed files with 200 additions and 97 deletions
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15
lib/Target/ARM/ARMBaseInstrInfo.h
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@@ -211,6 +211,21 @@ public:
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const;
bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const;
private:
void emitPopInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
bool isVarArg, bool(*Func)(unsigned, bool)) const;
void emitPushInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
bool(*Func)(unsigned, bool)) const;
public:
// Branch analysis.
virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,