Changes in directory llvm/lib/Target/PowerPC:
PPCInstrInfo.cpp updated: 1.37 -> 1.38
PPCInstrInfo.h updated: 1.21 -> 1.22
---
Log message:
RemoveBranch() and InsertBranch() now returns number of instructions deleted /
inserted.
---
Diffs of the changes: (+16 -13)
PPCInstrInfo.cpp | 21 ++++++++++++---------
PPCInstrInfo.h | 8 ++++----
2 files changed, 16 insertions(+), 13 deletions(-)
Index: llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
diff -u llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:1.37
llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:1.38
--- llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:1.37 Wed Apr 25 02:12:14 2007
+++ llvm/lib/Target/PowerPC/PPCInstrInfo.cpp Thu May 17 19:05:48 2007
@@ -224,30 +224,32 @@
return true;
}
-void PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
+unsigned PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
MachineBasicBlock::iterator I = MBB.end();
- if (I == MBB.begin()) return;
+ if (I == MBB.begin()) return 0;
--I;
if (I->getOpcode() != PPC::B && I->getOpcode() != PPC::BCC)
- return;
+ return 0;
// Remove the branch.
I->eraseFromParent();
I = MBB.end();
- if (I == MBB.begin()) return;
+ if (I == MBB.begin()) return 1;
--I;
if (I->getOpcode() != PPC::BCC)
- return;
+ return 1;
// Remove the branch.
I->eraseFromParent();
+ return 2;
}
-void PPCInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
- MachineBasicBlock *FBB,
- const std::vector<MachineOperand> &Cond) const
{
+unsigned
+PPCInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+ MachineBasicBlock *FBB,
+ const std::vector<MachineOperand> &Cond) const {
// Shouldn't be a fall through.
assert(TBB && "InsertBranch must not be told to insert a fallthrough");
assert((Cond.size() == 2 || Cond.size() == 0) &&
@@ -260,13 +262,14 @@
else // Conditional branch
BuildMI(&MBB, get(PPC::BCC))
.addImm(Cond[0].getImm()).addReg(Cond[1].getReg()).addMBB(TBB);
- return;
+ return 1;
}
// Two-way Conditional Branch.
BuildMI(&MBB, get(PPC::BCC))
.addImm(Cond[0].getImm()).addReg(Cond[1].getReg()).addMBB(TBB);
BuildMI(&MBB, get(PPC::B)).addMBB(FBB);
+ return 2;
}
bool PPCInstrInfo::BlockHasNoFallThrough(MachineBasicBlock &MBB) const {
Index: llvm/lib/Target/PowerPC/PPCInstrInfo.h
diff -u llvm/lib/Target/PowerPC/PPCInstrInfo.h:1.21
llvm/lib/Target/PowerPC/PPCInstrInfo.h:1.22
--- llvm/lib/Target/PowerPC/PPCInstrInfo.h:1.21 Fri Jan 26 08:34:51 2007
+++ llvm/lib/Target/PowerPC/PPCInstrInfo.h Thu May 17 19:05:48 2007
@@ -99,10 +99,10 @@
virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,
std::vector<MachineOperand> &Cond) const;
- virtual void RemoveBranch(MachineBasicBlock &MBB) const;
- virtual void InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
- MachineBasicBlock *FBB,
- const std::vector<MachineOperand> &Cond) const;
+ virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const;
+ virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+ MachineBasicBlock *FBB,
+ const std::vector<MachineOperand> &Cond) const;
virtual bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
};
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