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TargetRegisterInfo: Remove function that fell out of use years ago.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212636 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2014-07-09 18:53:57 +00:00
parent 9753da175d
commit 08b75dd061
3 changed files with 0 additions and 25 deletions
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6
include/llvm/Target/TargetRegisterInfo.h
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@ -813,12 +813,6 @@ public:
/// getFrameRegister - This method should return the register used as a base
/// for values allocated in the current stack frame.
virtual unsigned getFrameRegister(const MachineFunction &MF) const = 0;
/// getCompactUnwindRegNum - This function maps the register to the number for
/// compact unwind encoding. Return -1 if the register isn't valid.
virtual int getCompactUnwindRegNum(unsigned, bool) const {
return -1;
}
};

15
lib/Target/X86/X86RegisterInfo.cpp
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@ -81,21 +81,6 @@ X86RegisterInfo::X86RegisterInfo(const X86Subtarget &STI)
BasePtr = Is64Bit ? X86::RBX : X86::ESI;
}
/// getCompactUnwindRegNum - This function maps the register to the number for
/// compact unwind encoding. Return -1 if the register isn't valid.
int X86RegisterInfo::getCompactUnwindRegNum(unsigned RegNum, bool isEH) const {
switch (getLLVMRegNum(RegNum, isEH)) {
case X86::EBX: case X86::RBX: return 1;
case X86::ECX: case X86::R12: return 2;
case X86::EDX: case X86::R13: return 3;
case X86::EDI: case X86::R14: return 4;
case X86::ESI: case X86::R15: return 5;
case X86::EBP: case X86::RBP: return 6;
}
return -1;
}
bool
X86RegisterInfo::trackLivenessAfterRegAlloc(const MachineFunction &MF) const {
// ExeDepsFixer and PostRAScheduler require liveness.

4
lib/Target/X86/X86RegisterInfo.h
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@ -60,10 +60,6 @@ public:
// FIXME: This should be tablegen'd like getDwarfRegNum is
int getSEHRegNum(unsigned i) const;
/// getCompactUnwindRegNum - This function maps the register to the number for
/// compact unwind encoding. Return -1 if the register isn't valid.
int getCompactUnwindRegNum(unsigned RegNum, bool isEH) const override;
/// Code Generation virtual methods...
///
bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;